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[SCM] gawk branch, master, updated. gawk-4.1.0-5069-gc31a657a


From: Arnold Robbins
Subject: [SCM] gawk branch, master, updated. gawk-4.1.0-5069-gc31a657a
Date: Thu, 1 Dec 2022 04:49:22 -0500 (EST)

This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "gawk".

The branch, master has been updated
       via  c31a657a33c3954e5cd903cb70d45f1ac469e2d5 (commit)
      from  4c0d7caaf1b461961deba31dd2051a1a76550fe1 (commit)

Those revisions listed above that are new to this repository have
not appeared on any other notification email; so we list those
revisions in full, below.

- Log -----------------------------------------------------------------
http://git.sv.gnu.org/cgit/gawk.git/commit/?id=c31a657a33c3954e5cd903cb70d45f1ac469e2d5

commit c31a657a33c3954e5cd903cb70d45f1ac469e2d5
Author: Arnold D. Robbins <arnold@skeeve.com>
Date:   Thu Dec 1 11:48:51 2022 +0200

    Nuke use of libsigsegv.

diff --git a/ChangeLog b/ChangeLog
index f0b38f0b..9c36e30f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2022-12-01         Arnold D. Robbins     <arnold@skeeve.com>
+
+       * configure.ac: Removed use of libsigsegv.
+       * main.c: Removed code related to libsigsegv.
+       * NEWS: Updated.
+
 2022-11-25         Arnold D. Robbins     <arnold@skeeve.com>
 
        * field.c (comma_parse_field): Remove unused variable `field'.
diff --git a/Makefile.in b/Makefile.in
index b534174b..9e0805bc 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -1,4 +1,4 @@
-# Makefile.in generated by automake 1.16.5 from Makefile.am.
+# Makefile.in generated by automake 1.16.4 from Makefile.am.
 # @configure_input@
 
 # Copyright (C) 1994-2021 Free Software Foundation, Inc.
@@ -127,11 +127,11 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/arch.m4 \
        $(top_srcdir)/m4/iconv.m4 $(top_srcdir)/m4/intlmacosx.m4 \
        $(top_srcdir)/m4/lcmessage.m4 $(top_srcdir)/m4/lib-ld.m4 \
        $(top_srcdir)/m4/lib-link.m4 $(top_srcdir)/m4/lib-prefix.m4 \
-       $(top_srcdir)/m4/libsigsegv.m4 $(top_srcdir)/m4/longlong.m4 \
-       $(top_srcdir)/m4/mpfr.m4 $(top_srcdir)/m4/nls.m4 \
-       $(top_srcdir)/m4/noreturn.m4 $(top_srcdir)/m4/pma.m4 \
-       $(top_srcdir)/m4/po.m4 $(top_srcdir)/m4/progtest.m4 \
-       $(top_srcdir)/m4/readline.m4 $(top_srcdir)/m4/socket.m4 \
+       $(top_srcdir)/m4/longlong.m4 $(top_srcdir)/m4/mpfr.m4 \
+       $(top_srcdir)/m4/nls.m4 $(top_srcdir)/m4/noreturn.m4 \
+       $(top_srcdir)/m4/pma.m4 $(top_srcdir)/m4/po.m4 \
+       $(top_srcdir)/m4/progtest.m4 $(top_srcdir)/m4/readline.m4 \
+       $(top_srcdir)/m4/socket.m4 \
        $(top_srcdir)/m4/triplet-transformation.m4 \
        $(top_srcdir)/m4/ulonglong.m4 $(top_srcdir)/configure.ac
 am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
@@ -161,8 +161,7 @@ gawk_LDADD = $(LDADD)
 am__DEPENDENCIES_1 =
 gawk_DEPENDENCIES = support/libsupport.a $(am__DEPENDENCIES_1) \
        $(am__DEPENDENCIES_1) $(am__DEPENDENCIES_1) \
-       $(am__DEPENDENCIES_1) $(am__DEPENDENCIES_1) \
-       $(am__DEPENDENCIES_1)
+       $(am__DEPENDENCIES_1) $(am__DEPENDENCIES_1)
 am__vpath_adj_setup = srcdirstrip=`echo "$(srcdir)" | sed 's|.|.|g'`;
 am__vpath_adj = case $$p in \
     $(srcdir)/*) f=`echo "$$p" | sed "s|^$$srcdirstrip/||"`;; \
@@ -372,7 +371,6 @@ GETTEXT_MACRO_VERSION = @GETTEXT_MACRO_VERSION@
 GMSGFMT = @GMSGFMT@
 GMSGFMT_015 = @GMSGFMT_015@
 GREP = @GREP@
-HAVE_LIBSIGSEGV = @HAVE_LIBSIGSEGV@
 INSTALL = @INSTALL@
 INSTALL_DATA = @INSTALL_DATA@
 INSTALL_PROGRAM = @INSTALL_PROGRAM@
@@ -387,13 +385,10 @@ LIBMPFR = @LIBMPFR@
 LIBOBJS = @LIBOBJS@
 LIBREADLINE = @LIBREADLINE@
 LIBS = @LIBS@
-LIBSIGSEGV = @LIBSIGSEGV@
-LIBSIGSEGV_PREFIX = @LIBSIGSEGV_PREFIX@
 LN_S = @LN_S@
 LTLIBICONV = @LTLIBICONV@
 LTLIBINTL = @LTLIBINTL@
 LTLIBOBJS = @LTLIBOBJS@
-LTLIBSIGSEGV = @LTLIBSIGSEGV@
 MAKEINFO = @MAKEINFO@
 MKDIR_P = @MKDIR_P@
 MSGFMT = @MSGFMT@
diff --git a/NEWS b/NEWS
index 146d20a3..d6dfb1fb 100644
--- a/NEWS
+++ b/NEWS
@@ -7,12 +7,16 @@
 Changes from 5.2.1 to 5.3.0
 ---------------------------
 
-1. In keeping with new features in BWK awk, gawk now has built-in
+1. Infrastructure changes: Removed the use of libsigsegv. The
+   value-add was never very much and it causes problems in some
+   environments.
+
+2. In keeping with new features in BWK awk, gawk now has built-in
    CSV file parsing. The behavior is intended to be identical to
    that of the "One True AWK", when FS = "," is applied. See the
    manual for details.
 
-2. PROCINFO gained two new elements: PROCINFO["mb_cur_max"] and
+3. PROCINFO gained two new elements: PROCINFO["mb_cur_max"] and
    PROCINFO["utf8"]. See the manual for details.
 
 Changes from 5.2.0 to 5.2.1
diff --git a/aclocal.m4 b/aclocal.m4
index 986c2a5a..2a55813b 100644
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -1,4 +1,4 @@
-# generated automatically by aclocal 1.16.5 -*- Autoconf -*-
+# generated automatically by aclocal 1.16.4 -*- Autoconf -*-
 
 # Copyright (C) 1996-2021 Free Software Foundation, Inc.
 
@@ -35,7 +35,7 @@ AC_DEFUN([AM_AUTOMAKE_VERSION],
 [am__api_version='1.16'
 dnl Some users find AM_AUTOMAKE_VERSION and mistake it for a way to
 dnl require some minimum version.  Point them to the right macro.
-m4_if([$1], [1.16.5], [],
+m4_if([$1], [1.16.4], [],
       [AC_FATAL([Do not call $0, use AM_INIT_AUTOMAKE([$1]).])])dnl
 ])
 
@@ -51,7 +51,7 @@ m4_define([_AM_AUTOCONF_VERSION], [])
 # Call AM_AUTOMAKE_VERSION and AM_AUTOMAKE_VERSION so they can be traced.
 # This function is AC_REQUIREd by AM_INIT_AUTOMAKE.
 AC_DEFUN([AM_SET_CURRENT_AUTOMAKE_VERSION],
-[AM_AUTOMAKE_VERSION([1.16.5])dnl
+[AM_AUTOMAKE_VERSION([1.16.4])dnl
 m4_ifndef([AC_AUTOCONF_VERSION],
   [m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl
 _AM_AUTOCONF_VERSION(m4_defn([AC_AUTOCONF_VERSION]))])
@@ -488,10 +488,6 @@ m4_defn([AC_PROG_CC])
 # release and drop the old call support.
 AC_DEFUN([AM_INIT_AUTOMAKE],
 [AC_PREREQ([2.65])dnl
-m4_ifdef([_$0_ALREADY_INIT],
-  [m4_fatal([$0 expanded multiple times
-]m4_defn([_$0_ALREADY_INIT]))],
-  [m4_define([_$0_ALREADY_INIT], m4_expansion_stack)])dnl
 dnl Autoconf wants to disallow AM_ names.  We explicitly allow
 dnl the ones we care about.
 m4_pattern_allow([^AM_[A-Z]+FLAGS$])dnl
@@ -1220,7 +1216,6 @@ m4_include([m4/lcmessage.m4])
 m4_include([m4/lib-ld.m4])
 m4_include([m4/lib-link.m4])
 m4_include([m4/lib-prefix.m4])
-m4_include([m4/libsigsegv.m4])
 m4_include([m4/longlong.m4])
 m4_include([m4/mpfr.m4])
 m4_include([m4/nls.m4])
diff --git a/awklib/Makefile.in b/awklib/Makefile.in
index b66748b5..2d3d2673 100644
--- a/awklib/Makefile.in
+++ b/awklib/Makefile.in
@@ -1,4 +1,4 @@
-# Makefile.in generated by automake 1.16.5 from Makefile.am.
+# Makefile.in generated by automake 1.16.4 from Makefile.am.
 # @configure_input@
 
 # Copyright (C) 1994-2021 Free Software Foundation, Inc.
@@ -119,11 +119,11 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/arch.m4 \
        $(top_srcdir)/m4/iconv.m4 $(top_srcdir)/m4/intlmacosx.m4 \
        $(top_srcdir)/m4/lcmessage.m4 $(top_srcdir)/m4/lib-ld.m4 \
        $(top_srcdir)/m4/lib-link.m4 $(top_srcdir)/m4/lib-prefix.m4 \
-       $(top_srcdir)/m4/libsigsegv.m4 $(top_srcdir)/m4/longlong.m4 \
-       $(top_srcdir)/m4/mpfr.m4 $(top_srcdir)/m4/nls.m4 \
-       $(top_srcdir)/m4/noreturn.m4 $(top_srcdir)/m4/pma.m4 \
-       $(top_srcdir)/m4/po.m4 $(top_srcdir)/m4/progtest.m4 \
-       $(top_srcdir)/m4/readline.m4 $(top_srcdir)/m4/socket.m4 \
+       $(top_srcdir)/m4/longlong.m4 $(top_srcdir)/m4/mpfr.m4 \
+       $(top_srcdir)/m4/nls.m4 $(top_srcdir)/m4/noreturn.m4 \
+       $(top_srcdir)/m4/pma.m4 $(top_srcdir)/m4/po.m4 \
+       $(top_srcdir)/m4/progtest.m4 $(top_srcdir)/m4/readline.m4 \
+       $(top_srcdir)/m4/socket.m4 \
        $(top_srcdir)/m4/triplet-transformation.m4 \
        $(top_srcdir)/m4/ulonglong.m4 $(top_srcdir)/configure.ac
 am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
@@ -228,7 +228,6 @@ GETTEXT_MACRO_VERSION = @GETTEXT_MACRO_VERSION@
 GMSGFMT = @GMSGFMT@
 GMSGFMT_015 = @GMSGFMT_015@
 GREP = @GREP@
-HAVE_LIBSIGSEGV = @HAVE_LIBSIGSEGV@
 INSTALL = @INSTALL@
 INSTALL_DATA = @INSTALL_DATA@
 INSTALL_PROGRAM = @INSTALL_PROGRAM@
@@ -243,13 +242,10 @@ LIBMPFR = @LIBMPFR@
 LIBOBJS = @LIBOBJS@
 LIBREADLINE = @LIBREADLINE@
 LIBS = @LIBS@
-LIBSIGSEGV = @LIBSIGSEGV@
-LIBSIGSEGV_PREFIX = @LIBSIGSEGV_PREFIX@
 LN_S = @LN_S@
 LTLIBICONV = @LTLIBICONV@
 LTLIBINTL = @LTLIBINTL@
 LTLIBOBJS = @LTLIBOBJS@
-LTLIBSIGSEGV = @LTLIBSIGSEGV@
 MAKEINFO = @MAKEINFO@
 MKDIR_P = @MKDIR_P@
 MSGFMT = @MSGFMT@
diff --git a/configh.in b/configh.in
index e82ae154..c7ac128e 100644
--- a/configh.in
+++ b/configh.in
@@ -114,9 +114,6 @@
 /* Define to 1 if you have a fully functional readline library. */
 #undef HAVE_LIBREADLINE
 
-/* Define if you have the libsigsegv library. */
-#undef HAVE_LIBSIGSEGV
-
 /* Define to 1 if you have the <locale.h> header file. */
 #undef HAVE_LOCALE_H
 
diff --git a/configure b/configure
index 6810bc78..0d28f16a 100755
--- a/configure
+++ b/configure
@@ -663,10 +663,6 @@ ENABLE_EXTENSIONS_FALSE
 ENABLE_EXTENSIONS_TRUE
 USE_PERSISTENT_MALLOC_FALSE
 USE_PERSISTENT_MALLOC_TRUE
-LIBSIGSEGV_PREFIX
-LTLIBSIGSEGV
-LIBSIGSEGV
-HAVE_LIBSIGSEGV
 LIBOBJS
 TEST_CROSS_COMPILE_FALSE
 TEST_CROSS_COMPILE_TRUE
@@ -810,7 +806,6 @@ with_gnu_ld
 enable_rpath
 with_libiconv_prefix
 with_libintl_prefix
-with_libsigsegv_prefix
 enable_extensions
 with_readline
 with_mpfr
@@ -1480,8 +1475,6 @@ Optional Packages:
   --without-libiconv-prefix     don't search for libiconv in includedir and 
libdir
   --with-libintl-prefix[=DIR]  search for libintl in DIR/include and DIR/lib
   --without-libintl-prefix     don't search for libintl in includedir and 
libdir
-  --with-libsigsegv-prefix[=DIR]  search for libsigsegv in DIR/include and 
DIR/lib
-  --without-libsigsegv-prefix     don't search for libsigsegv in includedir 
and libdir
   --with-readline=DIR     look for the readline library in DIR
   --with-mpfr=DIR         look for the mpfr and gmp libraries in DIR
 
@@ -11577,589 +11570,6 @@ then :
 
 fi
 
-case $host_os in
-osf1)  : ;;
-*)
-
-
-
-
-
-
-
-
-
-
-
-
-
-    use_additional=yes
-
-  acl_save_prefix="$prefix"
-  prefix="$acl_final_prefix"
-  acl_save_exec_prefix="$exec_prefix"
-  exec_prefix="$acl_final_exec_prefix"
-
-    eval additional_includedir=\"$includedir\"
-    eval additional_libdir=\"$libdir\"
-    eval additional_libdir2=\"$exec_prefix/$acl_libdirstem2\"
-    eval additional_libdir3=\"$exec_prefix/$acl_libdirstem3\"
-
-  exec_prefix="$acl_save_exec_prefix"
-  prefix="$acl_save_prefix"
-
-
-# Check whether --with-libsigsegv-prefix was given.
-if test ${with_libsigsegv_prefix+y}
-then :
-  withval=$with_libsigsegv_prefix;
-    if test "X$withval" = "Xno"; then
-      use_additional=no
-    else
-      if test "X$withval" = "X"; then
-
-  acl_save_prefix="$prefix"
-  prefix="$acl_final_prefix"
-  acl_save_exec_prefix="$exec_prefix"
-  exec_prefix="$acl_final_exec_prefix"
-
-          eval additional_includedir=\"$includedir\"
-          eval additional_libdir=\"$libdir\"
-          eval additional_libdir2=\"$exec_prefix/$acl_libdirstem2\"
-          eval additional_libdir3=\"$exec_prefix/$acl_libdirstem3\"
-
-  exec_prefix="$acl_save_exec_prefix"
-  prefix="$acl_save_prefix"
-
-      else
-        additional_includedir="$withval/include"
-        additional_libdir="$withval/$acl_libdirstem"
-        additional_libdir2="$withval/$acl_libdirstem2"
-        additional_libdir3="$withval/$acl_libdirstem3"
-      fi
-    fi
-
-fi
-
-  if test "X$additional_libdir2" = "X$additional_libdir"; then
-    additional_libdir2=
-  fi
-  if test "X$additional_libdir3" = "X$additional_libdir"; then
-    additional_libdir3=
-  fi
-      LIBSIGSEGV=
-  LTLIBSIGSEGV=
-  INCSIGSEGV=
-  LIBSIGSEGV_PREFIX=
-      HAVE_LIBSIGSEGV=
-  rpathdirs=
-  ltrpathdirs=
-  names_already_handled=
-  names_next_round='sigsegv '
-  while test -n "$names_next_round"; do
-    names_this_round="$names_next_round"
-    names_next_round=
-    for name in $names_this_round; do
-      already_handled=
-      for n in $names_already_handled; do
-        if test "$n" = "$name"; then
-          already_handled=yes
-          break
-        fi
-      done
-      if test -z "$already_handled"; then
-        names_already_handled="$names_already_handled $name"
-                        uppername=`echo "$name" | sed -e 
'y|abcdefghijklmnopqrstuvwxyz./+-|ABCDEFGHIJKLMNOPQRSTUVWXYZ____|'`
-        eval value=\"\$HAVE_LIB$uppername\"
-        if test -n "$value"; then
-          if test "$value" = yes; then
-            eval value=\"\$LIB$uppername\"
-            test -z "$value" || LIBSIGSEGV="${LIBSIGSEGV}${LIBSIGSEGV:+ 
}$value"
-            eval value=\"\$LTLIB$uppername\"
-            test -z "$value" || LTLIBSIGSEGV="${LTLIBSIGSEGV}${LTLIBSIGSEGV:+ 
}$value"
-          else
-                                    :
-          fi
-        else
-                              found_dir=
-          found_la=
-          found_so=
-          found_a=
-          eval libname=\"$acl_libname_spec\"    # typically: libname=lib$name
-          if test -n "$acl_shlibext"; then
-            shrext=".$acl_shlibext"             # typically: shrext=.so
-          else
-            shrext=
-          fi
-          if test $use_additional = yes; then
-            for additional_libdir_variable in additional_libdir 
additional_libdir2 additional_libdir3; do
-              if test "X$found_dir" = "X"; then
-                eval dir=\$$additional_libdir_variable
-                if test -n "$dir"; then
-                                                      if test -n 
"$acl_shlibext"; then
-                    if test -f "$dir/$libname$shrext" && 
acl_is_expected_elfclass < "$dir/$libname$shrext"; then
-                      found_dir="$dir"
-                      found_so="$dir/$libname$shrext"
-                    else
-                      if test "$acl_library_names_spec" = 
'$libname$shrext$versuffix'; then
-                        ver=`(cd "$dir" && \
-                              for f in "$libname$shrext".*; do echo "$f"; done 
\
-                              | sed -e "s,^$libname$shrext\\\\.,," \
-                              | sort -t '.' -n -r -k1,1 -k2,2 -k3,3 -k4,4 
-k5,5 \
-                              | sed 1q ) 2>/dev/null`
-                        if test -n "$ver" && test -f 
"$dir/$libname$shrext.$ver" && acl_is_expected_elfclass < 
"$dir/$libname$shrext.$ver"; then
-                          found_dir="$dir"
-                          found_so="$dir/$libname$shrext.$ver"
-                        fi
-                      else
-                        eval library_names=\"$acl_library_names_spec\"
-                        for f in $library_names; do
-                          if test -f "$dir/$f" && acl_is_expected_elfclass < 
"$dir/$f"; then
-                            found_dir="$dir"
-                            found_so="$dir/$f"
-                            break
-                          fi
-                        done
-                      fi
-                    fi
-                  fi
-                                    if test "X$found_dir" = "X"; then
-                    if test -f "$dir/$libname.$acl_libext" && ${AR-ar} -p 
"$dir/$libname.$acl_libext" | acl_is_expected_elfclass; then
-                      found_dir="$dir"
-                      found_a="$dir/$libname.$acl_libext"
-                    fi
-                  fi
-                  if test "X$found_dir" != "X"; then
-                    if test -f "$dir/$libname.la"; then
-                      found_la="$dir/$libname.la"
-                    fi
-                  fi
-                fi
-              fi
-            done
-          fi
-          if test "X$found_dir" = "X"; then
-            for x in $LDFLAGS $LTLIBSIGSEGV; do
-
-  acl_save_prefix="$prefix"
-  prefix="$acl_final_prefix"
-  acl_save_exec_prefix="$exec_prefix"
-  exec_prefix="$acl_final_exec_prefix"
-  eval x=\"$x\"
-  exec_prefix="$acl_save_exec_prefix"
-  prefix="$acl_save_prefix"
-
-              case "$x" in
-                -L*)
-                  dir=`echo "X$x" | sed -e 's/^X-L//'`
-                                    if test -n "$acl_shlibext"; then
-                    if test -f "$dir/$libname$shrext" && 
acl_is_expected_elfclass < "$dir/$libname$shrext"; then
-                      found_dir="$dir"
-                      found_so="$dir/$libname$shrext"
-                    else
-                      if test "$acl_library_names_spec" = 
'$libname$shrext$versuffix'; then
-                        ver=`(cd "$dir" && \
-                              for f in "$libname$shrext".*; do echo "$f"; done 
\
-                              | sed -e "s,^$libname$shrext\\\\.,," \
-                              | sort -t '.' -n -r -k1,1 -k2,2 -k3,3 -k4,4 
-k5,5 \
-                              | sed 1q ) 2>/dev/null`
-                        if test -n "$ver" && test -f 
"$dir/$libname$shrext.$ver" && acl_is_expected_elfclass < 
"$dir/$libname$shrext.$ver"; then
-                          found_dir="$dir"
-                          found_so="$dir/$libname$shrext.$ver"
-                        fi
-                      else
-                        eval library_names=\"$acl_library_names_spec\"
-                        for f in $library_names; do
-                          if test -f "$dir/$f" && acl_is_expected_elfclass < 
"$dir/$f"; then
-                            found_dir="$dir"
-                            found_so="$dir/$f"
-                            break
-                          fi
-                        done
-                      fi
-                    fi
-                  fi
-                                    if test "X$found_dir" = "X"; then
-                    if test -f "$dir/$libname.$acl_libext" && ${AR-ar} -p 
"$dir/$libname.$acl_libext" | acl_is_expected_elfclass; then
-                      found_dir="$dir"
-                      found_a="$dir/$libname.$acl_libext"
-                    fi
-                  fi
-                  if test "X$found_dir" != "X"; then
-                    if test -f "$dir/$libname.la"; then
-                      found_la="$dir/$libname.la"
-                    fi
-                  fi
-                  ;;
-              esac
-              if test "X$found_dir" != "X"; then
-                break
-              fi
-            done
-          fi
-          if test "X$found_dir" != "X"; then
-                        LTLIBSIGSEGV="${LTLIBSIGSEGV}${LTLIBSIGSEGV:+ 
}-L$found_dir -l$name"
-            if test "X$found_so" != "X"; then
-                                                        if test 
"$enable_rpath" = no \
-                 || test "X$found_dir" = "X/usr/$acl_libdirstem" \
-                 || test "X$found_dir" = "X/usr/$acl_libdirstem2" \
-                 || test "X$found_dir" = "X/usr/$acl_libdirstem3"; then
-                                LIBSIGSEGV="${LIBSIGSEGV}${LIBSIGSEGV:+ 
}$found_so"
-              else
-                                                                               
 haveit=
-                for x in $ltrpathdirs; do
-                  if test "X$x" = "X$found_dir"; then
-                    haveit=yes
-                    break
-                  fi
-                done
-                if test -z "$haveit"; then
-                  ltrpathdirs="$ltrpathdirs $found_dir"
-                fi
-                                if test "$acl_hardcode_direct" = yes; then
-                                                      
LIBSIGSEGV="${LIBSIGSEGV}${LIBSIGSEGV:+ }$found_so"
-                else
-                  if test -n "$acl_hardcode_libdir_flag_spec" && test 
"$acl_hardcode_minus_L" = no; then
-                                                            
LIBSIGSEGV="${LIBSIGSEGV}${LIBSIGSEGV:+ }$found_so"
-                                                            haveit=
-                    for x in $rpathdirs; do
-                      if test "X$x" = "X$found_dir"; then
-                        haveit=yes
-                        break
-                      fi
-                    done
-                    if test -z "$haveit"; then
-                      rpathdirs="$rpathdirs $found_dir"
-                    fi
-                  else
-                                                                               
 haveit=
-                    for x in $LDFLAGS $LIBSIGSEGV; do
-
-  acl_save_prefix="$prefix"
-  prefix="$acl_final_prefix"
-  acl_save_exec_prefix="$exec_prefix"
-  exec_prefix="$acl_final_exec_prefix"
-  eval x=\"$x\"
-  exec_prefix="$acl_save_exec_prefix"
-  prefix="$acl_save_prefix"
-
-                      if test "X$x" = "X-L$found_dir"; then
-                        haveit=yes
-                        break
-                      fi
-                    done
-                    if test -z "$haveit"; then
-                      LIBSIGSEGV="${LIBSIGSEGV}${LIBSIGSEGV:+ }-L$found_dir"
-                    fi
-                    if test "$acl_hardcode_minus_L" != no; then
-                                                                               
         LIBSIGSEGV="${LIBSIGSEGV}${LIBSIGSEGV:+ }$found_so"
-                    else
-                                                                               
                                                                                
                 LIBSIGSEGV="${LIBSIGSEGV}${LIBSIGSEGV:+ }-l$name"
-                    fi
-                  fi
-                fi
-              fi
-            else
-              if test "X$found_a" != "X"; then
-                                LIBSIGSEGV="${LIBSIGSEGV}${LIBSIGSEGV:+ 
}$found_a"
-              else
-                                                
LIBSIGSEGV="${LIBSIGSEGV}${LIBSIGSEGV:+ }-L$found_dir -l$name"
-              fi
-            fi
-                        additional_includedir=
-            case "$found_dir" in
-              */$acl_libdirstem | */$acl_libdirstem/)
-                basedir=`echo "X$found_dir" | sed -e 's,^X,,' -e 
"s,/$acl_libdirstem/"'*$,,'`
-                if test "$name" = 'sigsegv'; then
-                  LIBSIGSEGV_PREFIX="$basedir"
-                fi
-                additional_includedir="$basedir/include"
-                ;;
-              */$acl_libdirstem2 | */$acl_libdirstem2/)
-                basedir=`echo "X$found_dir" | sed -e 's,^X,,' -e 
"s,/$acl_libdirstem2/"'*$,,'`
-                if test "$name" = 'sigsegv'; then
-                  LIBSIGSEGV_PREFIX="$basedir"
-                fi
-                additional_includedir="$basedir/include"
-                ;;
-              */$acl_libdirstem3 | */$acl_libdirstem3/)
-                basedir=`echo "X$found_dir" | sed -e 's,^X,,' -e 
"s,/$acl_libdirstem3/"'*$,,'`
-                if test "$name" = 'sigsegv'; then
-                  LIBSIGSEGV_PREFIX="$basedir"
-                fi
-                additional_includedir="$basedir/include"
-                ;;
-            esac
-            if test "X$additional_includedir" != "X"; then
-                                                                               
                                 if test "X$additional_includedir" != 
"X/usr/include"; then
-                haveit=
-                if test "X$additional_includedir" = "X/usr/local/include"; then
-                  if test -n "$GCC"; then
-                    case $host_os in
-                      linux* | gnu* | k*bsd*-gnu) haveit=yes;;
-                    esac
-                  fi
-                fi
-                if test -z "$haveit"; then
-                  for x in $CPPFLAGS $INCSIGSEGV; do
-
-  acl_save_prefix="$prefix"
-  prefix="$acl_final_prefix"
-  acl_save_exec_prefix="$exec_prefix"
-  exec_prefix="$acl_final_exec_prefix"
-  eval x=\"$x\"
-  exec_prefix="$acl_save_exec_prefix"
-  prefix="$acl_save_prefix"
-
-                    if test "X$x" = "X-I$additional_includedir"; then
-                      haveit=yes
-                      break
-                    fi
-                  done
-                  if test -z "$haveit"; then
-                    if test -d "$additional_includedir"; then
-                                            
INCSIGSEGV="${INCSIGSEGV}${INCSIGSEGV:+ }-I$additional_includedir"
-                    fi
-                  fi
-                fi
-              fi
-            fi
-                        if test -n "$found_la"; then
-                                                        save_libdir="$libdir"
-              case "$found_la" in
-                */* | *\\*) . "$found_la" ;;
-                *) . "./$found_la" ;;
-              esac
-              libdir="$save_libdir"
-                            for dep in $dependency_libs; do
-                case "$dep" in
-                  -L*)
-                    dependency_libdir=`echo "X$dep" | sed -e 's/^X-L//'`
-                                                                               
                                                                                
 if test "X$dependency_libdir" != "X/usr/$acl_libdirstem" \
-                       && test "X$dependency_libdir" != 
"X/usr/$acl_libdirstem2" \
-                       && test "X$dependency_libdir" != 
"X/usr/$acl_libdirstem3"; then
-                      haveit=
-                      if test "X$dependency_libdir" = 
"X/usr/local/$acl_libdirstem" \
-                         || test "X$dependency_libdir" = 
"X/usr/local/$acl_libdirstem2" \
-                         || test "X$dependency_libdir" = 
"X/usr/local/$acl_libdirstem3"; then
-                        if test -n "$GCC"; then
-                          case $host_os in
-                            linux* | gnu* | k*bsd*-gnu) haveit=yes;;
-                          esac
-                        fi
-                      fi
-                      if test -z "$haveit"; then
-                        haveit=
-                        for x in $LDFLAGS $LIBSIGSEGV; do
-
-  acl_save_prefix="$prefix"
-  prefix="$acl_final_prefix"
-  acl_save_exec_prefix="$exec_prefix"
-  exec_prefix="$acl_final_exec_prefix"
-  eval x=\"$x\"
-  exec_prefix="$acl_save_exec_prefix"
-  prefix="$acl_save_prefix"
-
-                          if test "X$x" = "X-L$dependency_libdir"; then
-                            haveit=yes
-                            break
-                          fi
-                        done
-                        if test -z "$haveit"; then
-                          if test -d "$dependency_libdir"; then
-                                                        
LIBSIGSEGV="${LIBSIGSEGV}${LIBSIGSEGV:+ }-L$dependency_libdir"
-                          fi
-                        fi
-                        haveit=
-                        for x in $LDFLAGS $LTLIBSIGSEGV; do
-
-  acl_save_prefix="$prefix"
-  prefix="$acl_final_prefix"
-  acl_save_exec_prefix="$exec_prefix"
-  exec_prefix="$acl_final_exec_prefix"
-  eval x=\"$x\"
-  exec_prefix="$acl_save_exec_prefix"
-  prefix="$acl_save_prefix"
-
-                          if test "X$x" = "X-L$dependency_libdir"; then
-                            haveit=yes
-                            break
-                          fi
-                        done
-                        if test -z "$haveit"; then
-                          if test -d "$dependency_libdir"; then
-                                                        
LTLIBSIGSEGV="${LTLIBSIGSEGV}${LTLIBSIGSEGV:+ }-L$dependency_libdir"
-                          fi
-                        fi
-                      fi
-                    fi
-                    ;;
-                  -R*)
-                    dir=`echo "X$dep" | sed -e 's/^X-R//'`
-                    if test "$enable_rpath" != no; then
-                                                                  haveit=
-                      for x in $rpathdirs; do
-                        if test "X$x" = "X$dir"; then
-                          haveit=yes
-                          break
-                        fi
-                      done
-                      if test -z "$haveit"; then
-                        rpathdirs="$rpathdirs $dir"
-                      fi
-                                                                  haveit=
-                      for x in $ltrpathdirs; do
-                        if test "X$x" = "X$dir"; then
-                          haveit=yes
-                          break
-                        fi
-                      done
-                      if test -z "$haveit"; then
-                        ltrpathdirs="$ltrpathdirs $dir"
-                      fi
-                    fi
-                    ;;
-                  -l*)
-                                        names_next_round="$names_next_round 
"`echo "X$dep" | sed -e 's/^X-l//'`
-                    ;;
-                  *.la)
-                                                                               
 names_next_round="$names_next_round "`echo "X$dep" | sed -e 's,^X.*/,,' -e 
's,^lib,,' -e 's,\.la$,,'`
-                    ;;
-                  *)
-                                        
LIBSIGSEGV="${LIBSIGSEGV}${LIBSIGSEGV:+ }$dep"
-                    LTLIBSIGSEGV="${LTLIBSIGSEGV}${LTLIBSIGSEGV:+ }$dep"
-                    ;;
-                esac
-              done
-            fi
-          else
-                                                            
LIBSIGSEGV="${LIBSIGSEGV}${LIBSIGSEGV:+ }-l$name"
-            LTLIBSIGSEGV="${LTLIBSIGSEGV}${LTLIBSIGSEGV:+ }-l$name"
-          fi
-        fi
-      fi
-    done
-  done
-  if test "X$rpathdirs" != "X"; then
-    if test -n "$acl_hardcode_libdir_separator"; then
-                        alldirs=
-      for found_dir in $rpathdirs; do
-        
alldirs="${alldirs}${alldirs:+$acl_hardcode_libdir_separator}$found_dir"
-      done
-            acl_save_libdir="$libdir"
-      libdir="$alldirs"
-      eval flag=\"$acl_hardcode_libdir_flag_spec\"
-      libdir="$acl_save_libdir"
-      LIBSIGSEGV="${LIBSIGSEGV}${LIBSIGSEGV:+ }$flag"
-    else
-            for found_dir in $rpathdirs; do
-        acl_save_libdir="$libdir"
-        libdir="$found_dir"
-        eval flag=\"$acl_hardcode_libdir_flag_spec\"
-        libdir="$acl_save_libdir"
-        LIBSIGSEGV="${LIBSIGSEGV}${LIBSIGSEGV:+ }$flag"
-      done
-    fi
-  fi
-  if test "X$ltrpathdirs" != "X"; then
-            for found_dir in $ltrpathdirs; do
-      LTLIBSIGSEGV="${LTLIBSIGSEGV}${LTLIBSIGSEGV:+ }-R$found_dir"
-    done
-  fi
-
-
-
-
-
-
-        ac_save_CPPFLAGS="$CPPFLAGS"
-
-  for element in $INCSIGSEGV; do
-    haveit=
-    for x in $CPPFLAGS; do
-
-  acl_save_prefix="$prefix"
-  prefix="$acl_final_prefix"
-  acl_save_exec_prefix="$exec_prefix"
-  exec_prefix="$acl_final_exec_prefix"
-  eval x=\"$x\"
-  exec_prefix="$acl_save_exec_prefix"
-  prefix="$acl_save_prefix"
-
-      if test "X$x" = "X$element"; then
-        haveit=yes
-        break
-      fi
-    done
-    if test -z "$haveit"; then
-      CPPFLAGS="${CPPFLAGS}${CPPFLAGS:+ }$element"
-    fi
-  done
-
-
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for libsigsegv" >&5
-printf %s "checking for libsigsegv... " >&6; }
-if test ${ac_cv_libsigsegv+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
-
-    ac_save_LIBS="$LIBS"
-                                case " $LIBSIGSEGV" in
-      *" -l"*) LIBS="$LIBS $LIBSIGSEGV" ;;
-      *)       LIBS="$LIBSIGSEGV $LIBS" ;;
-    esac
-    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include <sigsegv.h>
-int
-main (void)
-{
-sigsegv_deinstall_handler();
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_link "$LINENO"
-then :
-  ac_cv_libsigsegv=yes
-else $as_nop
-  ac_cv_libsigsegv='no, consider installing GNU libsigsegv'
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam \
-    conftest$ac_exeext conftest.$ac_ext
-    LIBS="$ac_save_LIBS"
-
-fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_libsigsegv" >&5
-printf "%s\n" "$ac_cv_libsigsegv" >&6; }
-  if test "$ac_cv_libsigsegv" = yes; then
-    HAVE_LIBSIGSEGV=yes
-
-printf "%s\n" "#define HAVE_LIBSIGSEGV 1" >>confdefs.h
-
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking how to link with 
libsigsegv" >&5
-printf %s "checking how to link with libsigsegv... " >&6; }
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $LIBSIGSEGV" >&5
-printf "%s\n" "$LIBSIGSEGV" >&6; }
-  else
-    HAVE_LIBSIGSEGV=no
-            CPPFLAGS="$ac_save_CPPFLAGS"
-    LIBSIGSEGV=
-    LTLIBSIGSEGV=
-    LIBSIGSEGV_PREFIX=
-  fi
-
-
-
-
-
-
-
-    gl_cv_lib_sigsegv="$ac_cv_libsigsegv"
-
-       ;;
-esac
 
 # Need the check for mkstemp and tmpfile for missing_d/snprintf.c.
 ac_fn_c_check_func "$LINENO" "__etoa_l" "ac_cv_func___etoa_l"
diff --git a/configure.ac b/configure.ac
index bea81be8..f4644f43 100644
--- a/configure.ac
+++ b/configure.ac
@@ -305,13 +305,6 @@ AC_SEARCH_LIBS(fmod, m)
 AC_SEARCH_LIBS(isinf, m)
 AC_SEARCH_LIBS(ismod, m)
 AC_SEARCH_LIBS(isnan, m)
-dnl Don't look for libsigsegv on OSF/1, gives us severe headaches
-case $host_os in
-osf1)  : ;;
-*)
-       gl_LIBSIGSEGV
-       ;;
-esac
 
 # Need the check for mkstemp and tmpfile for missing_d/snprintf.c.
 AC_CHECK_FUNCS(__etoa_l atexit btowc fmod fwrite_unlocked gai_strerror \
diff --git a/doc/ChangeLog b/doc/ChangeLog
index ba1ef89e..4e1533be 100644
--- a/doc/ChangeLog
+++ b/doc/ChangeLog
@@ -1,3 +1,8 @@
+2022-12-01         Arnold D. Robbins     <arnold@skeeve.com>
+
+       * gawktexi.in (Feature History): Document removal of use of
+       libsigsegv.
+
 2022-11-17         Arnold D. Robbins     <arnold@skeeve.com>
 
        * 5.2.1: Release tar ball made.
@@ -24,7 +29,8 @@
 2022-11-13         Arnold D. Robbins     <arnold@skeeve.com>
 
        * gawktexi.in (Other Versions): Add info on awkcc.
-       * gawktexi.in: Document "mb_cur_max" and "utf8" elemens in PROCINFO.
+       * gawktexi.in (Feature History): Document "mb_cur_max" and "utf8"
+       elements in PROCINFO.
 
 2022-11-12         Arnold D. Robbins     <arnold@skeeve.com>
 
diff --git a/doc/Makefile.in b/doc/Makefile.in
index 29a9abb2..739c0f02 100644
--- a/doc/Makefile.in
+++ b/doc/Makefile.in
@@ -1,4 +1,4 @@
-# Makefile.in generated by automake 1.16.5 from Makefile.am.
+# Makefile.in generated by automake 1.16.4 from Makefile.am.
 # @configure_input@
 
 # Copyright (C) 1994-2021 Free Software Foundation, Inc.
@@ -121,11 +121,11 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/arch.m4 \
        $(top_srcdir)/m4/iconv.m4 $(top_srcdir)/m4/intlmacosx.m4 \
        $(top_srcdir)/m4/lcmessage.m4 $(top_srcdir)/m4/lib-ld.m4 \
        $(top_srcdir)/m4/lib-link.m4 $(top_srcdir)/m4/lib-prefix.m4 \
-       $(top_srcdir)/m4/libsigsegv.m4 $(top_srcdir)/m4/longlong.m4 \
-       $(top_srcdir)/m4/mpfr.m4 $(top_srcdir)/m4/nls.m4 \
-       $(top_srcdir)/m4/noreturn.m4 $(top_srcdir)/m4/pma.m4 \
-       $(top_srcdir)/m4/po.m4 $(top_srcdir)/m4/progtest.m4 \
-       $(top_srcdir)/m4/readline.m4 $(top_srcdir)/m4/socket.m4 \
+       $(top_srcdir)/m4/longlong.m4 $(top_srcdir)/m4/mpfr.m4 \
+       $(top_srcdir)/m4/nls.m4 $(top_srcdir)/m4/noreturn.m4 \
+       $(top_srcdir)/m4/pma.m4 $(top_srcdir)/m4/po.m4 \
+       $(top_srcdir)/m4/progtest.m4 $(top_srcdir)/m4/readline.m4 \
+       $(top_srcdir)/m4/socket.m4 \
        $(top_srcdir)/m4/triplet-transformation.m4 \
        $(top_srcdir)/m4/ulonglong.m4 $(top_srcdir)/configure.ac
 am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
@@ -260,7 +260,6 @@ GETTEXT_MACRO_VERSION = @GETTEXT_MACRO_VERSION@
 GMSGFMT = @GMSGFMT@
 GMSGFMT_015 = @GMSGFMT_015@
 GREP = @GREP@
-HAVE_LIBSIGSEGV = @HAVE_LIBSIGSEGV@
 INSTALL = @INSTALL@
 INSTALL_DATA = @INSTALL_DATA@
 INSTALL_PROGRAM = @INSTALL_PROGRAM@
@@ -275,13 +274,10 @@ LIBMPFR = @LIBMPFR@
 LIBOBJS = @LIBOBJS@
 LIBREADLINE = @LIBREADLINE@
 LIBS = @LIBS@
-LIBSIGSEGV = @LIBSIGSEGV@
-LIBSIGSEGV_PREFIX = @LIBSIGSEGV_PREFIX@
 LN_S = @LN_S@
 LTLIBICONV = @LTLIBICONV@
 LTLIBINTL = @LTLIBINTL@
 LTLIBOBJS = @LTLIBOBJS@
-LTLIBSIGSEGV = @LTLIBSIGSEGV@
 MAKEINFO = @MAKEINFO@ --no-split --force
 MKDIR_P = @MKDIR_P@
 MSGFMT = @MSGFMT@
diff --git a/doc/gawk.info b/doc/gawk.info
index f7715a17..317fbd23 100644
--- a/doc/gawk.info
+++ b/doc/gawk.info
@@ -1,4 +1,4 @@
-This is gawk.info, produced by makeinfo version 6.8 from gawk.texi.
+This is gawk.info, produced by makeinfo version 6.7 from gawk.texi.
 
 Copyright (C) 1989, 1991, 1992, 1993, 1996-2005, 2007, 2009-2022
 Free Software Foundation, Inc.
@@ -4094,7 +4094,6 @@ a bracket expression.  Character classes consist of '[:', 
a keyword
 denoting the class, and ':]'.  *note Table 3.1: table-char-classes.
 lists the character classes defined by the POSIX standard.
 
-
 Class       Meaning
 --------------------------------------------------------------------------
 '[:alnum:]' Alphanumeric characters
@@ -5269,7 +5268,6 @@ by beginning and ending it with double quotes.  In order 
to allow a
 double quote inside a double-quoted field, two double quotes are used.
 *note Table 4.1: table-csv-examples. shows some examples.
 
-
 Input                  Field Contents
 ----------------------------------------------
 'abc def'              'abc def'
@@ -6496,7 +6494,6 @@ of 'getline', listing which predefined variables are set 
by each one,
 and whether the variant is standard or a 'gawk' extension.  Note: for
 each variant, 'gawk' sets the 'RT' predefined variable.
 
-
 Variant                  Effect                      'awk' / 'gawk'
 -------------------------------------------------------------------------
 'getline'                Sets '$0', 'NF', 'FNR',     'awk'
@@ -7863,7 +7860,6 @@ from the system's 'close()' or 'fclose()' C functions 
when closing input
 or output files, respectively.  This value is zero if the close
 succeeds, or -1 if it fails.
 
-
 Situation                            Return value from 'close()'
 --------------------------------------------------------------------------
 Normal exit of command               Command's exit status
@@ -8680,7 +8676,6 @@ variable, as shown previously.)
 the locale's decimal point character is used and when a period is used.
 Some of these features have not been described yet.
 
-
 Feature     Default        '--posix' or
                            '--use-lc-numeric'
 ------------------------------------------------------------
@@ -9017,7 +9012,6 @@ The value of 'a[3]' could be either two or four.
 operators.  In each case, the righthand operand is an expression whose
 value is converted to a number.
 
-
 Operator               Effect
 --------------------------------------------------------------------------
 LVALUE '+='            Add INCREMENT to the value of LVALUE.
@@ -9390,7 +9384,6 @@ such as equality.  They are written using "relational 
operators", which
 are a superset of those in C. *note Table 6.3: table-relational-ops.
 describes them.
 
-
 Expression         Result
 --------------------------------------------------------------------------
 X '<' Y            True if X is less than Y
@@ -11978,7 +11971,6 @@ declared.)
 figure-array-elements, conceptually, if the element values are eight,
 '"foo"', '""', and 30.
 
-
 [image src="array-elements.png" alt="A Contiguous Array" 
text="+---------+---------+--------+---------+
 |    8    |  \"foo\"  |   \"\"   |    30   |    Value
 +---------+---------+--------+---------+
@@ -13780,7 +13772,6 @@ generated text with a single '&'.  Any other '\' within 
the REPLACEMENT
 string that did not precede an '&' was passed through unchanged.  This
 is illustrated in *note Table 9.1: table-sub-escapes.
 
-
       You type         'sub()' sees          'sub()' generates
       -----         -------          ----------
           '\&'              '&'            The matched text
@@ -13813,7 +13804,6 @@ the original existing practice.  The proposed rules 
have special cases
 that make it possible to produce a '\' preceding the matched text.  This
 is shown in *note Table 9.2: table-sub-proposed.
 
-
       You type         'sub()' sees         'sub()' generates
       -----         -------         ----------
      '\\\\\\&'           '\\\&'            A literal '\&'
@@ -13841,7 +13831,6 @@ literal '&', '\\' produces a literal '\', and '\' 
followed by anything
 else is not special; the '\' is placed straight into the output.  These
 rules are presented in *note Table 9.3: table-posix-sub.
 
-
       You type         'sub()' sees         'sub()' generates
       -----         -------         ----------
      '\\\\\\&'           '\\\&'            A literal '\&'
@@ -13872,7 +13861,6 @@ subexpression is placed in the generated output.  
Otherwise, no matter
 what character follows the '\', it appears in the generated text and the
 '\' does not, as shown in *note Table 9.4: table-gensub-escapes.
 
-
        You type          'gensub()' sees         'gensub()' generates
        -----          ---------         ------------
            '&'                    '&'            The matched text
@@ -14044,7 +14032,6 @@ is all buffered and sent down the pipe to 'cat' in one 
shot.
      'gawk' steers a middle ground.  The return values are summarized in
      *note Table 9.5: table-system-return-values.
 
-
      Situation                     Return value from 'system()'
      --------------------------------------------------------------------------
      '--traditional'               C 'system()''s value divided by 256
@@ -14444,7 +14431,6 @@ successive pair of bits in the operands.  Three common 
operations are
 bitwise AND, OR, and XOR. The operations are described in *note Table
 9.6: table-bitwise-ops.
 
-
                 Bit operator
           |  AND  |   OR  |  XOR
           |---+---+---+---+---+---
@@ -24737,7 +24723,6 @@ values are always signed.  The possible ranges of 
values are shown in
 *note Table 16.1: table-numeric-ranges. and *note Table 16.2:
 table-floating-point-ranges.
 
-
 Representation           Minimum value            Maximum value
 ---------------------------------------------------------------------------
 32-bit signed integer    -2,147,483,648           2,147,483,647
@@ -24749,7 +24734,6 @@ integer
 
 Table 16.1: Value ranges for integer representations
 
-
 Representation              Minimum          Minimum finite   Maximum finite
                             positive         value            value
                             nonzero value
@@ -24846,7 +24830,6 @@ ranges.  ('awk' uses only the 64-bit double-precision 
format.)
    *note Table 16.3: table-ieee-formats. lists the precision and
 exponent field values for the basic IEEE 754 binary formats.
 
-
 Name           Total bits     Precision      Minimum        Maximum
                                              exponent       exponent
 ---------------------------------------------------------------------------
@@ -25265,7 +25248,6 @@ set the value to one of the predefined case-insensitive 
strings shown in
 *note Table 16.4: table-predefined-precision-strings, to emulate an IEEE
 754 binary format.
 
-
 'PREC'       IEEE 754 binary format
 ---------------------------------------------------
 '"half"'     16-bit half-precision
@@ -25318,7 +25300,6 @@ The 'ROUNDMODE' variable provides program-level control 
over the
 rounding mode.  The correspondence between 'ROUNDMODE' and the IEEE
 rounding modes is shown in *note Table 16.5: table-gawk-rounding-modes.
 
-
 Rounding mode                    IEEE name              'ROUNDMODE'
 ---------------------------------------------------------------------------
 Round to nearest, ties to even   'roundTiesToEven'      '"N"' or '"n"'
@@ -25784,7 +25765,6 @@ an extension is loaded, 'gawk' passes it a pointer to a 
'struct' whose
 fields are function pointers.  This is shown in *note Figure 17.1:
 figure-load-extension.
 
-
 [image src="api-figure1.png" alt="Loading the extension" text="              
            API
                          Struct
                          +---+
@@ -25818,7 +25798,6 @@ symbols.  One of these function pointers is to a 
function for
 "registering" new functions.  This is shown in *note Figure 17.2:
 figure-register-new-function.
 
-
 [image src="api-figure2.png" alt="Registering a new Function" text="         
   register_ext_func({ \"chdir\", do_chdir, 1 });
 
             +--------------------------------------------+
@@ -25841,7 +25820,6 @@ function pointer with a name and can then call it, 
using a defined
 calling convention.  This is shown in *note Figure 17.3:
 figure-call-new-function.
 
-
 [image src="api-figure3.png" alt="Calling the new function" text="    BEGIN {
         chdir(\"/path\")                             (*fnptr)(1);
     }
@@ -25980,7 +25958,6 @@ operations:
      The list of macros and related header files is shown in *note Table
      17.1: table-api-std-headers.
 
-
      C entity                 Header file
      -------------------------------------------
      'EOF'                    '<stdio.h>'
@@ -27195,7 +27172,6 @@ of the actual value.  You may then print an error 
message or reissue the
 request for the actual value type, as appropriate.  This behavior is
 summarized in *note Table 17.2: table-value-types-returned.
 
-
                                      Type of Actual Value
 --------------------------------------------------------------------------
                         String   Strnum   Number   Regex   Bool     Array   
Undefined
@@ -28132,7 +28108,6 @@ versions are available at compile time as C 
preprocessor defines to
 support conditional compilation, and as enum constants to facilitate
 debugging:
 
-
 API Version   C Preprocessor Define      enum constant
 --------------------------------------------------------------------
 Major         'gawk_api_major_version'   'GAWK_API_MAJOR_VERSION'
@@ -29411,7 +29386,6 @@ a third field (also separated by a slash), which is a 
single letter
 indicating the type of the file.  The letters and their corresponding
 file types are shown in *note Table 17.4: table-readdir-file-types.
 
-
 Letter  File type
 --------------------------------------------------------------------------
 'b'     Block device
@@ -30725,6 +30699,10 @@ unfortunately.  It added the following features:
    * The '"mb_cur_max"' and '"utf8"' elements in the 'PROCINFO' array
      (*note Auto-set::).
 
+   * The need for GNU 'libsigsegv' was removed from 'gawk'.  The
+     value-add was never very much and it caused problems in some
+     environments.
+
 
 File: gawk.info,  Node: Common Extensions,  Next: Ranges and Locales,  Prev: 
Feature History,  Up: Language History
 
@@ -33534,7 +33512,6 @@ D.1 What a Program Does
 At the most basic level, the job of a program is to process some input
 data and produce results.  See *note Figure D.1: figure-general-flow.
 
-
 [image src="general-program.png" alt="General program flow" text="           
       _______
 +------+         /       \\         +---------+
 | Data | -----> < Program > -----> | Results |
@@ -33550,7 +33527,6 @@ uses the instructions in your program to process the 
data.
    When you write a program, it usually consists of the following, very
 basic set of steps, as shown in *note Figure D.2: figure-process-flow.:
 
-
 [image src="process-flow.png" alt="Basic Program Stages" text="              
                ______
 +----------------+           / More \\  No       +----------+
 | Initialization | -------> <  Data  > -------> | Clean Up |
@@ -35679,7 +35655,7 @@ Index
 * ! (exclamation point), !~ operator <4>: Comparison Operators.
                                                               (line  11)
 * ! (exclamation point), !~ operator <5>: Comparison Operators.
-                                                              (line  99)
+                                                              (line  98)
 * ! (exclamation point), ! operator:     Boolean Ops.         (line  69)
 * ! (exclamation point), ! operator <1>: Precedence.          (line  51)
 * ! (exclamation point), != operator <1>: Precedence.         (line  64)
@@ -35725,7 +35701,7 @@ Index
 * * (asterisk), *= operator <1>:         Precedence.          (line  94)
 * * (asterisk), **= operator <1>:        Precedence.          (line  94)
 * * (asterisk), * operator, null strings, matching: String Functions.
-                                                              (line 567)
+                                                              (line 569)
 * + (plus sign), regexp operator:        Regexp Operator Details.
                                                               (line 107)
 * + (plus sign), += operator:            Assignment Ops.      (line  81)
@@ -35736,8 +35712,8 @@ Index
 * + (plus sign), + operator <1>:         Precedence.          (line  57)
 * + (plus sign), += operator <1>:        Precedence.          (line  94)
 * , (comma), in range patterns:          Ranges.              (line   6)
-* - (hyphen), file names beginning with: Options.             (line  63)
-* - (hyphen), -- end of options marker:  Options.             (line 354)
+* - (hyphen), file names beginning with: Options.             (line  64)
+* - (hyphen), -- end of options marker:  Options.             (line 355)
 * - (hyphen), in bracket expressions:    Bracket Expressions. (line  25)
 * - (hyphen), -= operator:               Assignment Ops.      (line 129)
 * - (hyphen), -- operator:               Increment Ops.       (line  48)
@@ -35746,10 +35722,10 @@ Index
 * - (hyphen), - operator <1>:            Precedence.          (line  57)
 * - (hyphen), -= operator <1>:           Precedence.          (line  94)
 * --assign option:                       Options.             (line  36)
-* --bignum option:                       Options.             (line 242)
-* --characters-as-bytes option:          Options.             (line  72)
-* --copyright option:                    Options.             (line  92)
-* --debug option:                        Options.             (line 111)
+* --bignum option:                       Options.             (line 243)
+* --characters-as-bytes option:          Options.             (line  73)
+* --copyright option:                    Options.             (line  93)
+* --debug option:                        Options.             (line 112)
 * --disable-extensions configuration option: Additional Configuration Options.
                                                               (line   9)
 * --disable-lint configuration option:   Additional Configuration Options.
@@ -35758,83 +35734,83 @@ Index
                                                               (line  36)
 * --disable-nls configuration option:    Additional Configuration Options.
                                                               (line  41)
-* --dump-variables option:               Options.             (line  97)
+* --dump-variables option:               Options.             (line  98)
 * --dump-variables option, using for library functions: Library Names.
                                                               (line  45)
 * --enable-versioned-extension-dir configuration option: Additional 
Configuration Options.
                                                               (line  46)
-* --exec option:                         Options.             (line 146)
+* --exec option:                         Options.             (line 147)
 * --field-separator option:              Options.             (line  21)
 * --file option:                         Options.             (line  25)
-* --gen-pot option:                      Options.             (line 168)
+* --gen-pot option:                      Options.             (line 169)
 * --gen-pot option <1>:                  String Extraction.   (line   6)
 * --gen-pot option <2>:                  String Extraction.   (line   6)
-* --help option:                         Options.             (line 175)
-* --include option:                      Options.             (line 180)
+* --help option:                         Options.             (line 176)
+* --include option:                      Options.             (line 181)
 * --lint option:                         Command Line.        (line  20)
-* --lint option <1>:                     Options.             (line 215)
-* --lint-old option:                     Options.             (line 344)
-* --load option:                         Options.             (line 203)
-* --no-optimize option:                  Options.             (line 329)
-* --non-decimal-data option:             Options.             (line 255)
+* --lint option <1>:                     Options.             (line 216)
+* --lint-old option:                     Options.             (line 345)
+* --load option:                         Options.             (line 204)
+* --no-optimize option:                  Options.             (line 330)
+* --non-decimal-data option:             Options.             (line 256)
 * --non-decimal-data option <1>:         Nondecimal Data.     (line   6)
 * --non-decimal-data option, strtonum() function and: Nondecimal Data.
                                                               (line  35)
-* --optimize option:                     Options.             (line 280)
-* --posix option:                        Options.             (line 302)
-* --posix option, --traditional option and: Options.          (line 317)
-* --pretty-print option:                 Options.             (line 269)
-* --profile option:                      Options.             (line 290)
+* --optimize option:                     Options.             (line 281)
+* --posix option:                        Options.             (line 303)
+* --posix option, --traditional option and: Options.          (line 318)
+* --pretty-print option:                 Options.             (line 270)
+* --profile option:                      Options.             (line 291)
 * --profile option <1>:                  Profiling.           (line  12)
-* --re-interval option:                  Options.             (line 323)
-* --sandbox option:                      Options.             (line 334)
+* --re-interval option:                  Options.             (line 324)
+* --sandbox option:                      Options.             (line 335)
 * --sandbox option, input redirection with getline: Getline.  (line  19)
 * --sandbox option, output redirection with print, printf: Redirection.
                                                               (line   6)
 * --sandbox option, disabling system() function: I/O Functions.
-                                                              (line 127)
-* --source option:                       Options.             (line 120)
-* --trace option:                        Options.             (line 197)
-* --traditional option:                  Options.             (line  85)
-* --traditional option, --posix option and: Options.          (line 317)
-* --use-lc-numeric option:               Options.             (line 264)
-* --version option:                      Options.             (line 349)
-* -b option:                             Options.             (line  72)
-* -c option:                             Options.             (line  85)
-* -C option:                             Options.             (line  92)
-* -d option:                             Options.             (line  97)
-* -D option:                             Options.             (line 111)
-* -e option:                             Options.             (line 120)
-* -E option:                             Options.             (line 146)
-* -e option <1>:                         Options.             (line 390)
+                                                              (line 128)
+* --source option:                       Options.             (line 121)
+* --trace option:                        Options.             (line 198)
+* --traditional option:                  Options.             (line  86)
+* --traditional option, --posix option and: Options.          (line 318)
+* --use-lc-numeric option:               Options.             (line 265)
+* --version option:                      Options.             (line 350)
+* -b option:                             Options.             (line  73)
+* -c option:                             Options.             (line  86)
+* -C option:                             Options.             (line  93)
+* -d option:                             Options.             (line  98)
+* -D option:                             Options.             (line 112)
+* -e option:                             Options.             (line 121)
+* -E option:                             Options.             (line 147)
+* -e option <1>:                         Options.             (line 391)
 * -f option:                             Long.                (line  12)
 * -F option:                             Options.             (line  21)
 * -f option <1>:                         Options.             (line  25)
-* -F option, -Ft sets FS to TAB:         Options.             (line 362)
-* -f option, multiple uses:              Options.             (line 367)
+* -F option, -Ft sets FS to TAB:         Options.             (line 363)
+* -f option, multiple uses:              Options.             (line 368)
 * -F option, command-line:               Command Line Field Separator.
                                                               (line   6)
-* -g option:                             Options.             (line 168)
-* -h option:                             Options.             (line 175)
-* -i option:                             Options.             (line 180)
-* -I option:                             Options.             (line 197)
-* -l option:                             Options.             (line 203)
-* -l option <1>:                         Options.             (line 215)
-* -L option:                             Options.             (line 344)
-* -M option:                             Options.             (line 242)
-* -n option:                             Options.             (line 255)
-* -N option:                             Options.             (line 264)
-* -o option:                             Options.             (line 269)
-* -O option:                             Options.             (line 280)
-* -p option:                             Options.             (line 290)
-* -P option:                             Options.             (line 302)
-* -r option:                             Options.             (line 323)
-* -s option:                             Options.             (line 329)
-* -S option:                             Options.             (line 334)
+* -g option:                             Options.             (line 169)
+* -h option:                             Options.             (line 176)
+* -i option:                             Options.             (line 181)
+* -I option:                             Options.             (line 198)
+* -l option:                             Options.             (line 204)
+* -l option <1>:                         Options.             (line 216)
+* -L option:                             Options.             (line 345)
+* -M option:                             Options.             (line 243)
+* -n option:                             Options.             (line 256)
+* -N option:                             Options.             (line 265)
+* -o option:                             Options.             (line 270)
+* -O option:                             Options.             (line 281)
+* -p option:                             Options.             (line 291)
+* -P option:                             Options.             (line 303)
+* -r option:                             Options.             (line 324)
+* -s option:                             Options.             (line 330)
+* -S option:                             Options.             (line 335)
 * -v option:                             Options.             (line  36)
-* -V option:                             Options.             (line 349)
+* -V option:                             Options.             (line 350)
 * -v option <1>:                         Assignment Options.  (line  12)
-* -W option:                             Options.             (line  50)
+* -W option:                             Options.             (line  51)
 * . (period), regexp operator:           Regexp Operator Details.
                                                               (line  40)
 * .gmo files:                            Explaining gettext.  (line  42)
@@ -35848,11 +35824,11 @@ Index
 * / (forward slash), to enclose regular expressions: Regexp.  (line  10)
 * / (forward slash), /= operator:        Assignment Ops.      (line 129)
 * / (forward slash), /= operator, vs. /=.../ regexp constant: Assignment Ops.
-                                                              (line 150)
+                                                              (line 149)
 * / (forward slash), / operator:         Precedence.          (line  54)
 * / (forward slash), /= operator <1>:    Precedence.          (line  94)
 * / (forward slash), patterns and:       Expression Patterns. (line  24)
-* /= operator vs. /=.../ regexp constant: Assignment Ops.     (line 150)
+* /= operator vs. /=.../ regexp constant: Assignment Ops.     (line 149)
 * /dev/fd/N special files (gawk):        Special FD.          (line  48)
 * /dev/... special files:                Special FD.          (line  48)
 * /inet/... special files (gawk):        TCP/IP Networking.   (line   6)
@@ -35891,7 +35867,7 @@ Index
 * ? (question mark), regexp operator:    Regexp Operator Details.
                                                               (line 113)
 * ? (question mark), regexp operator <1>: GNU Regexp Operators.
-                                                              (line  61)
+                                                              (line  64)
 * ? (question mark), ?: operator:        Precedence.          (line  91)
 * @ (at-sign), @include directive:       Include Files.       (line   8)
 * @ (at-sign), @load directive:          Loading Shared Libraries.
@@ -35933,23 +35909,23 @@ Index
 * \ (backslash), \s operator (gawk):     GNU Regexp Operators.
                                                               (line  13)
 * \ (backslash), \S operator (gawk):     GNU Regexp Operators.
-                                                              (line  17)
+                                                              (line  18)
 * \ (backslash), \w operator (gawk):     GNU Regexp Operators.
-                                                              (line  21)
+                                                              (line  22)
 * \ (backslash), \W operator (gawk):     GNU Regexp Operators.
-                                                              (line  26)
+                                                              (line  28)
 * \ (backslash), \< operator (gawk):     GNU Regexp Operators.
-                                                              (line  30)
+                                                              (line  33)
 * \ (backslash), \> operator (gawk):     GNU Regexp Operators.
-                                                              (line  34)
+                                                              (line  37)
 * \ (backslash), \y operator (gawk):     GNU Regexp Operators.
-                                                              (line  38)
+                                                              (line  41)
 * \ (backslash), \B operator (gawk):     GNU Regexp Operators.
-                                                              (line  43)
+                                                              (line  46)
 * \ (backslash), \` operator (gawk):     GNU Regexp Operators.
-                                                              (line  56)
+                                                              (line  59)
 * \ (backslash), \' operator (gawk):     GNU Regexp Operators.
-                                                              (line  58)
+                                                              (line  61)
 * \ (backslash), as field separator:     Command Line Field Separator.
                                                               (line  24)
 * \ (backslash), gsub()/gensub()/sub() functions and: Gory Details.
@@ -35958,9 +35934,9 @@ Index
                                                               (line  18)
 * ^ (caret), in bracket expressions:     Bracket Expressions. (line  25)
 * ^ (caret), regexp operator <1>:        GNU Regexp Operators.
-                                                              (line  61)
+                                                              (line  64)
 * ^ (caret), in FS:                      Regexp Field Splitting.
-                                                              (line  58)
+                                                              (line  59)
 * ^ (caret), ^= operator:                Assignment Ops.      (line 129)
 * ^ (caret), ^ operator:                 Precedence.          (line  48)
 * ^ (caret), ^= operator <1>:            Precedence.          (line  94)
@@ -35996,7 +35972,7 @@ Index
 * ~ (tilde), ~ operator <4>:             Comparison Operators.
                                                               (line  11)
 * ~ (tilde), ~ operator <5>:             Comparison Operators.
-                                                              (line  99)
+                                                              (line  98)
 * ~ (tilde), ~ operator <6>:             Precedence.          (line  79)
 * ~ (tilde), ~ operator <7>:             Expression Patterns. (line  24)
 * aaa (amazing awk assembler) program:   Glossary.            (line  16)
@@ -36005,8 +35981,8 @@ Index
                                                               (line   6)
 * account information:                   Passwd Functions.    (line  16)
 * account information <1>:               Group Functions.     (line   6)
-* actions, default:                      Very Simple.         (line  34)
-* actions, empty:                        Very Simple.         (line  39)
+* actions, default:                      Very Simple.         (line  35)
+* actions, empty:                        Very Simple.         (line  40)
 * actions:                               Action Overview.     (line   6)
 * actions, control statements in:        Statements.          (line   6)
 * Ada programming language:              Glossary.            (line  11)
@@ -36024,21 +36000,21 @@ Index
 * Aho, Alfred <1>:                       Contributors.        (line  12)
 * alarm clock example program:           Alarm Program.       (line  11)
 * alarm.awk program:                     Alarm Program.       (line  31)
-* algorithms:                            Basic High Level.    (line  59)
+* algorithms:                            Basic High Level.    (line  57)
 * all source files, show in debugger:    Debugger Info.       (line  45)
 * allocating memory for extensions:      Memory Allocation Functions.
                                                               (line   6)
 * amazing awk assembler (aaa):           Glossary.            (line  16)
 * amazingly workable formatter (awf):    Glossary.            (line  23)
 * ambiguity, syntactic: /= operator vs. /=.../ regexp constant: Assignment Ops.
-                                                              (line 150)
+                                                              (line 149)
 * ampersand (&), && operator:            Boolean Ops.         (line  59)
 * ampersand (&), && operator <1>:        Precedence.          (line  85)
 * ampersand (&), gsub()/gensub()/sub() functions and: Gory Details.
                                                               (line   6)
 * anagram.awk program:                   Anagram Program.     (line  21)
 * anagrams, finding:                     Anagram Program.     (line   6)
-* and:                                   Bitwise Functions.   (line  41)
+* and:                                   Bitwise Functions.   (line  40)
 * AND bitwise operation:                 Bitwise Functions.   (line   6)
 * and Boolean-logic operator:            Boolean Ops.         (line   6)
 * ANSI:                                  Glossary.            (line  32)
@@ -36054,7 +36030,7 @@ Index
 * arbitrary precision, integers:         Arbitrary Precision Integers.
                                                               (line   6)
 * archaeologists:                        Bugs.                (line   6)
-* arctangent:                            Numeric Functions.   (line  11)
+* arctangent:                            Numeric Functions.   (line  12)
 * ARGC/ARGV variables, portability and:  Executable Scripts.  (line  55)
 * ARGC/ARGV variables, command-line arguments: Other Arguments.
                                                               (line  21)
@@ -36068,7 +36044,7 @@ Index
 * arguments, command-line <1>:           Auto-set.            (line  15)
 * arguments, command-line <2>:           ARGC and ARGV.       (line   6)
 * arguments, processing:                 Getopt Function.     (line   6)
-* ARGV array:                            Options.             (line 334)
+* ARGV array:                            Options.             (line 335)
 * ARGV array, indexing into:             Other Arguments.     (line  21)
 * arithmetic operators:                  Arithmetic Ops.      (line   6)
 * array manipulation in extensions:      Array Manipulation.  (line   6)
@@ -36081,8 +36057,8 @@ Index
 * array subscripts, null string as:      Uninitialized Subscripts.
                                                               (line  43)
 * arrays:                                Arrays.              (line   6)
-* arrays, indexing:                      Array Intro.         (line  49)
-* arrays, associative:                   Array Intro.         (line  49)
+* arrays, indexing:                      Array Intro.         (line  48)
+* arrays, associative:                   Array Intro.         (line  48)
 * arrays, sparse:                        Array Intro.         (line  76)
 * arrays, IGNORECASE variable and:       Array Intro.         (line 100)
 * arrays, referencing elements:          Reference to Elements.
@@ -36106,8 +36082,8 @@ Index
 * arrays, multidimensional:              Multidimensional.    (line  10)
 * arrays, multidimensional, scanning:    Multiscanning.       (line  11)
 * arrays, arrays of arrays:              Arrays of Arrays.    (line   6)
-* arrays, elements, retrieving number of: String Functions.   (line  41)
-* arrays, number of elements:            String Functions.    (line 214)
+* arrays, elements, retrieving number of: String Functions.   (line  42)
+* arrays, number of elements:            String Functions.    (line 215)
 * arrays, as parameters to functions:    Pass By Value/Reference.
                                                               (line  44)
 * arrays, associative, library functions and: Library Names.  (line  58)
@@ -36121,7 +36097,7 @@ Index
 * artificial intelligence, gawk and:     Distribution contents.
                                                               (line  64)
 * ASCII:                                 Escape Sequences.    (line  31)
-* ASCII <1>:                             Bracket Expressions. (line  80)
+* ASCII <1>:                             Bracket Expressions. (line  79)
 * ASCII <2>:                             Scalar Constants.    (line  20)
 * ASCII <3>:                             Ordinal Functions.   (line  45)
 * ASCII <4>:                             Alarm Program.       (line  20)
@@ -36131,14 +36107,14 @@ Index
 * ASCII <8>:                             History summary.     (line  20)
 * ASCII <9>:                             Glossary.            (line 194)
 * ASCII <10>:                            Glossary.            (line 320)
-* asort:                                 String Functions.    (line  41)
+* asort:                                 String Functions.    (line  42)
 * asort <1>:                             Array Sorting Functions.
                                                               (line   6)
 * asort() function (gawk), arrays, sorting: Array Sorting Functions.
                                                               (line   6)
 * asort() function (gawk), side effects: Array Sorting Functions.
                                                               (line   6)
-* asorti:                                String Functions.    (line  41)
+* asorti:                                String Functions.    (line  42)
 * asorti <1>:                            Array Sorting Functions.
                                                               (line   6)
 * asorti() function (gawk), arrays, sorting: Array Sorting Functions.
@@ -36154,7 +36130,7 @@ Index
 * assignment operators, lvalues/rvalues: Assignment Ops.      (line  31)
 * assignment operators, evaluation order: Assignment Ops.     (line 110)
 * assignments as file names:             Ignoring Assigns.    (line   6)
-* associative arrays:                    Array Intro.         (line  49)
+* associative arrays:                    Array Intro.         (line  48)
 * asterisk (*), * operator, as regexp operator: Regexp Operator Details.
                                                               (line  91)
 * asterisk (*), ** operator:             Arithmetic Ops.      (line  85)
@@ -36166,7 +36142,7 @@ Index
 * asterisk (*), *= operator <1>:         Precedence.          (line  94)
 * asterisk (*), **= operator <1>:        Precedence.          (line  94)
 * asterisk (*), * operator, null strings, matching: String Functions.
-                                                              (line 567)
+                                                              (line 569)
 * at-sign (@), @include directive:       Include Files.       (line   8)
 * at-sign (@), @load directive:          Loading Shared Libraries.
                                                               (line   8)
@@ -36176,7 +36152,7 @@ Index
                                                               (line   6)
 * at-sign (@), @namespace directive, BEGIN, BEGINFILE, END, ENDFILE and: 
Changing The Namespace.
                                                               (line  37)
-* atan2:                                 Numeric Functions.   (line  11)
+* atan2:                                 Numeric Functions.   (line  12)
 * automatic displays, in debugger:       Debugger Info.       (line  24)
 * awf (amazingly workable formatter) program: Glossary.       (line  23)
 * awk:                                   Preface.             (line   6)
@@ -36192,13 +36168,13 @@ Index
 * awk, uses for <1>:                     Getting Started.     (line  12)
 * awk, uses for <2>:                     When.                (line   6)
 * awk, invoking:                         Command Line.        (line   6)
-* awk, profiling, enabling:              Options.             (line 290)
+* awk, profiling, enabling:              Options.             (line 291)
 * awk, implementations, limits:          Getline Notes.       (line  14)
 * awk, implementation issues, pipes:     Redirection.         (line 129)
 * awk, new vs. old, OFMT variable:       Strings And Numbers. (line  56)
-* awk, language, POSIX version:          Assignment Ops.      (line 139)
+* awk, language, POSIX version:          Assignment Ops.      (line 138)
 * awk, regexp constants and:             Comparison Operators.
-                                                              (line 104)
+                                                              (line 103)
 * awk, language, POSIX version <1>:      Next Statement.      (line  44)
 * awk, language, POSIX version <2>:      Definition Syntax.   (line  99)
 * awk, namespace:                        Default Namespace.   (line   6)
@@ -36222,13 +36198,13 @@ Index
 * awk programs, lengthy:                 Long.                (line   6)
 * awk programs <1>:                      Executable Scripts.  (line   6)
 * awk programs, documenting:             Comments.            (line   6)
-* awk programs, one-line examples:       Very Simple.         (line  45)
+* awk programs, one-line examples:       Very Simple.         (line  46)
 * awk programs <2>:                      Two Rules.           (line   6)
 * awk programs, complex:                 When.                (line  27)
 * awk programs, location of:             Options.             (line  25)
-* awk programs, debugging, enabling:     Options.             (line 111)
-* awk programs, location of <1>:         Options.             (line 146)
-* awk programs, location of <2>:         Options.             (line 180)
+* awk programs, debugging, enabling:     Options.             (line 112)
+* awk programs, location of <1>:         Options.             (line 147)
+* awk programs, location of <2>:         Options.             (line 181)
 * awk programs, shell variables in:      Using Shell Variables.
                                                               (line   6)
 * awk programs, execution of:            Next Statement.      (line  16)
@@ -36243,8 +36219,9 @@ Index
 * AWKBUFSIZE environment variable:       Other Environment Variables.
                                                               (line  41)
 * awkcc, awk to C translator:            Other Versions.      (line 167)
+* awk <1>:                               Preface.             (line  34)
 * AWKgo:                                 Other Versions.      (line 133)
-* AWKLIBPATH environment variable:       Options.             (line 203)
+* AWKLIBPATH environment variable:       Options.             (line 204)
 * AWKLIBPATH environment variable <1>:   AWKLIBPATH Variable. (line   6)
 * AWKLIBPATH environment variable <2>:   Loading Shared Libraries.
                                                               (line   8)
@@ -36273,7 +36250,7 @@ Index
 * AWKREADFUNC environment variable:      Other Environment Variables.
                                                               (line  57)
 * awksed.awk program:                    Simple Sed.          (line  25)
-* awkvars.out file:                      Options.             (line  97)
+* awkvars.out file:                      Options.             (line  98)
 * AWK_HASH environment variable:         Other Environment Variables.
                                                               (line  50)
 * b debugger command (alias for break):  Breakpoint Control.  (line  11)
@@ -36306,30 +36283,30 @@ Index
 * backslash (\), \s operator (gawk):     GNU Regexp Operators.
                                                               (line  13)
 * backslash (\), \S operator (gawk):     GNU Regexp Operators.
-                                                              (line  17)
+                                                              (line  18)
 * backslash (\), \w operator (gawk):     GNU Regexp Operators.
-                                                              (line  21)
+                                                              (line  22)
 * backslash (\), \W operator (gawk):     GNU Regexp Operators.
-                                                              (line  26)
+                                                              (line  28)
 * backslash (\), \< operator (gawk):     GNU Regexp Operators.
-                                                              (line  30)
+                                                              (line  33)
 * backslash (\), \> operator (gawk):     GNU Regexp Operators.
-                                                              (line  34)
+                                                              (line  37)
 * backslash (\), \y operator (gawk):     GNU Regexp Operators.
-                                                              (line  38)
+                                                              (line  41)
 * backslash (\), \B operator (gawk):     GNU Regexp Operators.
-                                                              (line  43)
+                                                              (line  46)
 * backslash (\), \` operator (gawk):     GNU Regexp Operators.
-                                                              (line  56)
+                                                              (line  59)
 * backslash (\), \' operator (gawk):     GNU Regexp Operators.
-                                                              (line  58)
+                                                              (line  61)
 * backslash (\), as field separator:     Command Line Field Separator.
                                                               (line  24)
 * backslash (\), gsub()/gensub()/sub() functions and: Gory Details.
                                                               (line   6)
 * backtrace debugger command:            Execution Stack.     (line  13)
 * Beebe, Nelson H.F.:                    Acknowledgments.     (line  60)
-* Beebe, Nelson H.F. <1>:                Numeric Functions.   (line  32)
+* Beebe, Nelson H.F. <1>:                Numeric Functions.   (line  33)
 * Beebe, Nelson H.F. <2>:                Other Versions.      (line  82)
 * BEGIN pattern:                         Field Separators.    (line  45)
 * BEGIN pattern, getline and:            Getline Notes.       (line  19)
@@ -36372,16 +36349,16 @@ Index
 * bindtextdomain() function (gawk), portability and: I18N Portability.
                                                               (line  33)
 * BINMODE variable:                      User-modified.       (line  15)
-* BINMODE variable <1>:                  PC Using.            (line  18)
+* BINMODE variable <1>:                  PC Using.            (line  19)
 * bit-manipulation functions:            Bitwise Functions.   (line   6)
-* bits2str() user-defined function:      Bitwise Functions.   (line  70)
+* bits2str() user-defined function:      Bitwise Functions.   (line  69)
 * bitwise, operations:                   Bitwise Functions.   (line   6)
-* bitwise, complement:                   Bitwise Functions.   (line  26)
-* bitwise, shift:                        Bitwise Functions.   (line  33)
-* bitwise, AND:                          Bitwise Functions.   (line  41)
-* bitwise, complement <1>:               Bitwise Functions.   (line  45)
-* bitwise, OR:                           Bitwise Functions.   (line  51)
-* bitwise, XOR:                          Bitwise Functions.   (line  58)
+* bitwise, complement:                   Bitwise Functions.   (line  25)
+* bitwise, shift:                        Bitwise Functions.   (line  32)
+* bitwise, AND:                          Bitwise Functions.   (line  40)
+* bitwise, complement <1>:               Bitwise Functions.   (line  44)
+* bitwise, OR:                           Bitwise Functions.   (line  50)
+* bitwise, XOR:                          Bitwise Functions.   (line  57)
 * body, in actions:                      Statements.          (line  10)
 * body, in loops:                        While Statement.     (line  14)
 * Boolean expressions:                   Boolean Ops.         (line   6)
@@ -36404,12 +36381,12 @@ Index
 * bracket expressions, character classes: Bracket Expressions.
                                                               (line  40)
 * bracket expressions, collating elements: Bracket Expressions.
-                                                              (line  91)
-* bracket expressions, non-ASCII:        Bracket Expressions. (line  91)
+                                                              (line  90)
+* bracket expressions, non-ASCII:        Bracket Expressions. (line  90)
 * bracket expressions, collating symbols: Bracket Expressions.
-                                                              (line  98)
+                                                              (line  97)
 * bracket expressions, equivalence classes: Bracket Expressions.
-                                                              (line 104)
+                                                              (line 103)
 * break debugger command:                Breakpoint Control.  (line  11)
 * break statement:                       Break Statement.     (line   6)
 * breakpoint:                            Debugging Terms.     (line  33)
@@ -36431,10 +36408,10 @@ Index
 * Brian Kernighan's awk:                 When.                (line  21)
 * Brian Kernighan's awk <1>:             Escape Sequences.    (line 112)
 * Brian Kernighan's awk <2>:             GNU Regexp Operators.
-                                                              (line  84)
+                                                              (line  87)
 * Brian Kernighan's awk <3>:             gawk split records.  (line  71)
 * Brian Kernighan's awk <4>:             Regexp Field Splitting.
-                                                              (line  66)
+                                                              (line  67)
 * Brian Kernighan's awk <5>:             Getline/Pipe.        (line  62)
 * Brian Kernighan's awk <6>:             Concatenation.       (line  36)
 * Brian Kernighan's awk <7>:             I/O And BEGIN/END.   (line  15)
@@ -36442,7 +36419,7 @@ Index
 * Brian Kernighan's awk <9>:             Continue Statement.  (line  44)
 * Brian Kernighan's awk <10>:            Nextfile Statement.  (line  47)
 * Brian Kernighan's awk <11>:            Delete.              (line  51)
-* Brian Kernighan's awk <12>:            String Functions.    (line 514)
+* Brian Kernighan's awk <12>:            String Functions.    (line 516)
 * Brian Kernighan's awk <13>:            Gory Details.        (line  19)
 * Brian Kernighan's awk <14>:            I/O Functions.       (line  43)
 * Brian Kernighan's awk, extensions:     BTL.                 (line   6)
@@ -36456,11 +36433,11 @@ Index
 * Buening, Andreas:                      Acknowledgments.     (line  60)
 * Buening, Andreas <1>:                  Contributors.        (line  95)
 * Buening, Andreas <2>:                  Maintainers.         (line  14)
-* buffering, interactive vs. noninteractive: I/O Functions.   (line  75)
+* buffering, interactive vs. noninteractive: I/O Functions.   (line  76)
 * buffering, input/output:               I/O Functions.       (line 168)
 * buffering, input/output <1>:           Two-way I/O.         (line  53)
 * buffers, operators for:                GNU Regexp Operators.
-                                                              (line  50)
+                                                              (line  53)
 * buffers, flushing:                     I/O Functions.       (line  32)
 * buffers, flushing <1>:                 I/O Functions.       (line 168)
 * bug reports, email address, <bug-gawk@gnu.org>: Bug address.
@@ -36475,16 +36452,16 @@ Index
 * C library functions, assert():         Assert Function.     (line   6)
 * C library functions, getopt():         Getopt Function.     (line  15)
 * C library functions, getpwent():       Passwd Functions.    (line  16)
-* C library functions, getpwnam():       Passwd Functions.    (line 174)
-* C library functions, getpwuid():       Passwd Functions.    (line 185)
-* C library functions, getpwent() <1>:   Passwd Functions.    (line 195)
-* C library functions, endpwent():       Passwd Functions.    (line 207)
+* C library functions, getpwnam():       Passwd Functions.    (line 175)
+* C library functions, getpwuid():       Passwd Functions.    (line 186)
+* C library functions, getpwent() <1>:   Passwd Functions.    (line 196)
+* C library functions, endpwent():       Passwd Functions.    (line 208)
 * C library functions, getgrent():       Group Functions.     (line   6)
-* C library functions, getgrnam():       Group Functions.     (line 171)
-* C library functions, getgrgid():       Group Functions.     (line 182)
-* C library functions, getgruser():      Group Functions.     (line 191)
-* C library functions, getgrent() <1>:   Group Functions.     (line 200)
-* C library functions, endgrent():       Group Functions.     (line 211)
+* C library functions, getgrnam():       Group Functions.     (line 173)
+* C library functions, getgrgid():       Group Functions.     (line 184)
+* C library functions, getgruser():      Group Functions.     (line 193)
+* C library functions, getgrent() <1>:   Group Functions.     (line 202)
+* C library functions, endgrent():       Group Functions.     (line 213)
 * C library functions, getaddrinfo():    TCP/IP Networking.   (line  39)
 * C library functions, textdomain():     Explaining gettext.  (line  28)
 * C library functions, bindtextdomain(): Explaining gettext.  (line  50)
@@ -36499,7 +36476,7 @@ Index
                                                               (line  18)
 * caret (^), in bracket expressions:     Bracket Expressions. (line  25)
 * caret (^), regexp operator <1>:        GNU Regexp Operators.
-                                                              (line  61)
+                                                              (line  64)
 * caret (^), ^= operator:                Assignment Ops.      (line 129)
 * caret (^), ^ operator:                 Precedence.          (line  48)
 * caret (^), ^= operator <1>:            Precedence.          (line  94)
@@ -36509,9 +36486,9 @@ Index
 * case sensitivity, string comparisons and: User-modified.    (line  79)
 * case sensitivity, regexps and <1>:     User-modified.       (line  79)
 * case sensitivity, array indices and:   Array Intro.         (line 100)
-* case sensitivity, converting case:     String Functions.    (line 544)
+* case sensitivity, converting case:     String Functions.    (line 546)
 * case sensitivity, example programs:    Library Functions.   (line  50)
-* CGI, awk scripts for:                  Options.             (line 146)
+* CGI, awk scripts for:                  Options.             (line 147)
 * character sets (machine character encodings): Ordinal Functions.
                                                               (line  45)
 * character sets (machine character encodings) <1>: Glossary. (line 194)
@@ -36545,8 +36522,8 @@ Index
 * Collado, Manuel:                       Acknowledgments.     (line  60)
 * Collado, Manuel <1>:                   More CSV.            (line   6)
 * Collado, Manuel <2>:                   More CSV.            (line  52)
-* collating elements:                    Bracket Expressions. (line  91)
-* collating symbols:                     Bracket Expressions. (line  98)
+* collating elements:                    Bracket Expressions. (line  90)
+* collating symbols:                     Bracket Expressions. (line  97)
 * Colombo, Antonio:                      Acknowledgments.     (line  60)
 * Colombo, Antonio <1>:                  Contributors.        (line 143)
 * colon (:), ?: operator:                Precedence.          (line  91)
@@ -36565,7 +36542,7 @@ Index
 * command line, option -f:               Long.                (line  12)
 * command line, invoking awk from:       Command Line.        (line   6)
 * command line, options:                 Options.             (line   6)
-* command line, options, end of:         Options.             (line  58)
+* command line, options, end of:         Options.             (line  59)
 * command line, arguments:               Other Arguments.     (line   6)
 * command line, FS on, setting:          Command Line Field Separator.
                                                               (line   6)
@@ -36592,32 +36569,32 @@ Index
 * common extensions, /dev/stdout special file: Special FD.    (line  48)
 * common extensions, /dev/stderr special file: Special FD.    (line  48)
 * common extensions, ** operator:        Arithmetic Ops.      (line  30)
-* common extensions, **= operator:       Assignment Ops.      (line 139)
+* common extensions, **= operator:       Assignment Ops.      (line 138)
 * common extensions, delete to delete entire arrays: Delete.  (line  39)
 * common extensions, length() applied to an array: String Functions.
-                                                              (line 214)
+                                                              (line 215)
 * common extensions, func keyword:       Definition Syntax.   (line  99)
-* common extensions, BINMODE variable:   PC Using.            (line  18)
+* common extensions, BINMODE variable:   PC Using.            (line  19)
 * comp.lang.awk newsgroup:               Usenet.              (line  11)
 * comparison expressions:                Typing and Comparison.
                                                               (line   9)
 * comparison expressions, string vs. regexp: Comparison Operators.
-                                                              (line  80)
+                                                              (line  79)
 * comparison expressions, as patterns:   Expression Patterns. (line  14)
-* compatibility mode (gawk), specifying: Options.             (line  85)
+* compatibility mode (gawk), specifying: Options.             (line  86)
 * compatibility mode (gawk), file names: Special Caveats.     (line   9)
 * compatibility mode (gawk), octal numbers: Nondecimal-numbers.
                                                               (line  59)
 * compatibility mode (gawk), hexadecimal numbers: Nondecimal-numbers.
                                                               (line  59)
 * compatibility mode (gawk), extensions: POSIX/GNU.           (line   6)
-* compiled programs:                     Basic High Level.    (line  14)
+* compiled programs:                     Basic High Level.    (line  13)
 * compiled programs <1>:                 Glossary.            (line 216)
 * compiling gawk, for MS-Windows:        PC Compiling.        (line  11)
 * compiling gawk, for Cygwin:            Cygwin.              (line   6)
 * compiling gawk, for OpenVMS:           OpenVMS Compilation. (line   6)
-* compl:                                 Bitwise Functions.   (line  45)
-* complement, bitwise:                   Bitwise Functions.   (line  26)
+* compl:                                 Bitwise Functions.   (line  44)
+* complement, bitwise:                   Bitwise Functions.   (line  25)
 * component name:                        Qualified Names.     (line   6)
 * component name, naming rules:          Naming Rules.        (line   6)
 * compound statements, control statements and: Statements.    (line  10)
@@ -36653,12 +36630,12 @@ Index
 * converting, numbers to strings:        Strings And Numbers. (line   6)
 * converting, integer array subscripts to strings: Numeric Array Subscripts.
                                                               (line  31)
-* converting, string to numbers <1>:     String Functions.    (line 412)
-* converting, string to lower case:      String Functions.    (line 545)
-* converting, string to upper case:      String Functions.    (line 551)
-* converting, dates to timestamps:       Time Functions.      (line  77)
-* converting, string to numbers <2>:     Bitwise Functions.   (line 110)
-* converting, numbers to strings <1>:    Bitwise Functions.   (line 110)
+* converting, string to numbers <1>:     String Functions.    (line 414)
+* converting, string to lower case:      String Functions.    (line 547)
+* converting, string to upper case:      String Functions.    (line 553)
+* converting, dates to timestamps:       Time Functions.      (line  78)
+* converting, string to numbers <2>:     Bitwise Functions.   (line 109)
+* converting, numbers to strings <1>:    Bitwise Functions.   (line 109)
 * CONVFMT variable:                      Strings And Numbers. (line  29)
 * CONVFMT variable <1>:                  User-modified.       (line  30)
 * CONVFMT variable, array subscripts and: Numeric Array Subscripts.
@@ -36669,11 +36646,11 @@ Index
 * coprocesses, closing:                  Close Files And Pipes.
                                                               (line   6)
 * coprocesses <1>:                       Two-way I/O.         (line  27)
-* cos:                                   Numeric Functions.   (line  15)
-* cosine:                                Numeric Functions.   (line  15)
+* cos:                                   Numeric Functions.   (line  16)
+* cosine:                                Numeric Functions.   (line  16)
 * counting words, lines, characters, and bytes: Wc Program.   (line   6)
 * csh utility:                           Statements/Lines.    (line  45)
-* csh utility, POSIXLY_CORRECT environment variable: Options. (line 411)
+* csh utility, POSIXLY_CORRECT environment variable: Options. (line 412)
 * csh utility, |& operator, comparison with: Two-way I/O.     (line  27)
 * CSV (comma separated values) data, parsing with FS: Comma Separated Fields.
                                                               (line   6)
@@ -36688,7 +36665,7 @@ Index
 * current namespace, pushing and popping: Changing The Namespace.
                                                               (line  29)
 * current source file, show in debugger: Debugger Info.       (line  37)
-* current system time:                   Time Functions.      (line  67)
+* current system time:                   Time Functions.      (line  68)
 * custom.h file:                         Configuration Philosophy.
                                                               (line  30)
 * customized input parser:               Input Parsers.       (line   6)
@@ -36704,12 +36681,12 @@ Index
 * dark corner, empty programs:           Command Line.        (line  20)
 * dark corner, escape sequences:         Other Arguments.     (line  46)
 * dark corner, escape sequences, for metacharacters: Escape Sequences.
-                                                              (line 143)
+                                                              (line 144)
 * dark corner, input files:              awk split records.   (line 104)
 * dark corner, strings, storing:         gawk split records.  (line  94)
 * dark corner, NF variable, decrementing: Changing Fields.    (line 107)
 * dark corner, ^, in FS:                 Regexp Field Splitting.
-                                                              (line  58)
+                                                              (line  59)
 * dark corner, FS as null string:        Single Character Fields.
                                                               (line  20)
 * dark corner, field separators:         Full Line Fields.    (line  22)
@@ -36731,9 +36708,9 @@ Index
 * dark corner, locale's decimal point character: Locale influences conversions.
                                                               (line  17)
 * dark corner, regexp constants, /= operator and: Assignment Ops.
-                                                              (line 150)
+                                                              (line 149)
 * dark corner, /= operator vs. /=.../ regexp constant: Assignment Ops.
-                                                              (line 150)
+                                                              (line 149)
 * dark corner, "0" is actually true:     Truth Values.        (line  24)
 * dark corner, range patterns, line continuation and: Ranges. (line  64)
 * dark corner, break statement:          Break Statement.     (line  51)
@@ -36745,19 +36722,19 @@ Index
 * dark corner, array subscripts:         Uninitialized Subscripts.
                                                               (line  43)
 * dark corner, regexp as second argument to index(): String Functions.
-                                                              (line 178)
-* dark corner, length() function:        String Functions.    (line 200)
-* dark corner, split() function:         String Functions.    (line 383)
+                                                              (line 179)
+* dark corner, length() function:        String Functions.    (line 201)
+* dark corner, split() function:         String Functions.    (line 384)
 * dark corner, parameter name restrictions: Definition Syntax.
                                                               (line  44)
 * dark corner <1>:                       Glossary.            (line 266)
 * data, fixed-width:                     Constant Size.       (line   6)
-* data-driven languages:                 Basic High Level.    (line  76)
+* data-driven languages:                 Basic High Level.    (line  74)
 * database, users, reading:              Passwd Functions.    (line   6)
 * database, group, reading:              Group Functions.     (line   6)
 * date utility, GNU:                     Time Functions.      (line  17)
-* date utility, POSIX:                   Time Functions.      (line 254)
-* dates, converting to timestamps:       Time Functions.      (line  77)
+* date utility, POSIX:                   Time Functions.      (line 255)
+* dates, converting to timestamps:       Time Functions.      (line  78)
 * dates, information related to, localization: Explaining gettext.
                                                               (line 112)
 * Davies, Stephen:                       Acknowledgments.     (line  60)
@@ -36907,7 +36884,7 @@ Index
 * debugging, example session:            Sample Debugging Session.
                                                               (line   6)
 * debugging gawk, bug reports:           Bugs.                (line   9)
-* decimal point character, locale specific: Options.          (line 314)
+* decimal point character, locale specific: Options.          (line 315)
 * decrement operators:                   Increment Ops.       (line  35)
 * default keyword:                       Switch Statement.    (line   6)
 * Deifik, Scott:                         Acknowledgments.     (line  60)
@@ -36940,7 +36917,7 @@ Index
 * differences in awk and gawk, single-character fields: Single Character 
Fields.
                                                               (line   6)
 * differences in awk and gawk, RS/RT variables <2>: Multiple Line.
-                                                              (line 138)
+                                                              (line 139)
 * differences in awk and gawk, getline command: Getline.      (line  19)
 * differences in awk and gawk, input/output operators: Getline/Coprocess.
                                                               (line   6)
@@ -36983,7 +36960,7 @@ Index
                                                               (line  79)
 * differences in awk and gawk, LINT variable: User-modified.  (line  90)
 * differences in awk and gawk, TEXTDOMAIN variable: User-modified.
-                                                              (line 154)
+                                                              (line 155)
 * differences in awk and gawk, ARGIND variable: Auto-set.     (line  44)
 * differences in awk and gawk, ERRNO variable: Auto-set.      (line  87)
 * differences in awk and gawk, FUNCTAB variable: Auto-set.    (line 134)
@@ -36997,15 +36974,15 @@ Index
 * differences in awk and gawk, function arguments: Calling Built-in.
                                                               (line  16)
 * differences in awk and gawk, length() function: String Functions.
-                                                              (line 214)
+                                                              (line 215)
 * differences in awk and gawk, match() function: String Functions.
-                                                              (line 276)
+                                                              (line 277)
 * differences in awk and gawk, split() function: String Functions.
-                                                              (line 368)
+                                                              (line 369)
 * differences in awk and gawk, indirect function calls: Indirect Calls.
                                                               (line   6)
 * differences in awk and gawk, BINMODE variable <1>: PC Using.
-                                                              (line  18)
+                                                              (line  19)
 * directories, searching, for source files: AWKPATH Variable. (line   6)
 * directories, searching, for loadable extensions: AWKLIBPATH Variable.
                                                               (line   6)
@@ -37042,7 +37019,7 @@ Index
 * down debugger command:                 Execution Stack.     (line  23)
 * Drepper, Ulrich:                       Acknowledgments.     (line  52)
 * Duman, Patrice:                        Acknowledgments.     (line  75)
-* dump all variables of a program:       Options.             (line  97)
+* dump all variables of a program:       Options.             (line  98)
 * dump debugger command:                 Miscellaneous Debugger Commands.
                                                               (line   9)
 * dupword.awk program:                   Dupword Program.     (line  31)
@@ -37098,14 +37075,14 @@ Index
 * ENDFILE pattern, @namespace directive and: Changing The Namespace.
                                                               (line  37)
 * endfile() user-defined function:       Filetrans Function.  (line  62)
-* endgrent() function (C library):       Group Functions.     (line 211)
-* endgrent() user-defined function:      Group Functions.     (line 214)
-* endpwent() function (C library):       Passwd Functions.    (line 207)
-* endpwent() user-defined function:      Passwd Functions.    (line 210)
+* endgrent() function (C library):       Group Functions.     (line 213)
+* endgrent() user-defined function:      Group Functions.     (line 216)
+* endpwent() function (C library):       Passwd Functions.    (line 208)
+* endpwent() user-defined function:      Passwd Functions.    (line 211)
 * English, Steve:                        Advanced Features.   (line   6)
 * ENVIRON array:                         Auto-set.            (line  59)
-* environment variables, AWKLIBPATH:     Options.             (line 203)
-* environment variables, POSIXLY_CORRECT: Options.            (line 396)
+* environment variables, AWKLIBPATH:     Options.             (line 204)
+* environment variables, POSIXLY_CORRECT: Options.            (line 397)
 * environment variables, used by gawk:   Environment Variables.
                                                               (line   6)
 * environment variables, AWKPATH:        AWKPATH Variable.    (line   6)
@@ -37228,7 +37205,7 @@ Index
 * exclamation point (!), !~ operator <4>: Comparison Operators.
                                                               (line  11)
 * exclamation point (!), !~ operator <5>: Comparison Operators.
-                                                              (line  99)
+                                                              (line  98)
 * exclamation point (!), ! operator:     Boolean Ops.         (line  69)
 * exclamation point (!), ! operator <1>: Precedence.          (line  51)
 * exclamation point (!), != operator <1>: Precedence.         (line  64)
@@ -37245,10 +37222,10 @@ Index
                                                               (line  64)
 * exit the debugger <1>:                 Miscellaneous Debugger Commands.
                                                               (line 100)
-* exp:                                   Numeric Functions.   (line  18)
-* expand utility:                        Very Simple.         (line  96)
+* exp:                                   Numeric Functions.   (line  19)
+* expand utility:                        Very Simple.         (line  97)
 * Expat XML parser library:              gawkextlib.          (line  40)
-* exponent:                              Numeric Functions.   (line  18)
+* exponent:                              Numeric Functions.   (line  19)
 * expressions:                           Expressions.         (line   6)
 * expressions, assignment:               Assignment Ops.      (line   6)
 * expressions, comparison:               Typing and Comparison.
@@ -37277,10 +37254,10 @@ Index
 * extensions, common, /dev/stdout special file: Special FD.   (line  48)
 * extensions, common, /dev/stderr special file: Special FD.   (line  48)
 * extensions, common, ** operator:       Arithmetic Ops.      (line  30)
-* extensions, common, **= operator:      Assignment Ops.      (line 139)
+* extensions, common, **= operator:      Assignment Ops.      (line 138)
 * extensions, common, delete to delete entire arrays: Delete. (line  39)
 * extensions, common, length() applied to an array: String Functions.
-                                                              (line 214)
+                                                              (line 215)
 * extensions, common, fflush() function: I/O Functions.       (line  43)
 * extensions, common, func keyword:      Definition Syntax.   (line  99)
 * extensions, loadable, allocating memory: Memory Allocation Functions.
@@ -37298,7 +37275,7 @@ Index
 * extensions, in gawk, not in POSIX awk: POSIX/GNU.           (line   6)
 * extensions, Brian Kernighan's awk <1>: Common Extensions.   (line   6)
 * extensions, mawk:                      Common Extensions.   (line   6)
-* extensions, common, BINMODE variable:  PC Using.            (line  18)
+* extensions, common, BINMODE variable:  PC Using.            (line  19)
 * extract.awk program:                   Extract Program.     (line  79)
 * extraction, of marked strings (internationalization): String Extraction.
                                                               (line   6)
@@ -37335,6 +37312,7 @@ Index
 * field separator <1>:                   User-modified.       (line  53)
 * field separator <2>:                   User-modified.       (line 116)
 * field separator, spaces as:            Cut Program.         (line 107)
+* field separator <3>:                   Changing Fields.     (line  64)
 * fields:                                Reading Files.       (line  14)
 * fields <1>:                            Fields.              (line   6)
 * fields, examining:                     Fields.              (line   6)
@@ -37348,7 +37326,7 @@ Index
                                                               (line   6)
 * fields, printing:                      Print Examples.      (line  20)
 * fields, cutting:                       Cut Program.         (line   6)
-* fields <2>:                            Basic High Level.    (line  64)
+* fields <2>:                            Basic High Level.    (line  62)
 * FIELDWIDTHS variable:                  Fixed width data.    (line  17)
 * FIELDWIDTHS variable <1>:              User-modified.       (line  37)
 * file descriptors:                      Special FD.          (line   6)
@@ -37362,8 +37340,8 @@ Index
 * FILENAME variable <1>:                 Auto-set.            (line 108)
 * files, input:                          Read Terminal.       (line  16)
 * files, awk programs in:                Long.                (line   6)
-* files, awkvars.out:                    Options.             (line  97)
-* files, portable object, generating:    Options.             (line 168)
+* files, awkvars.out:                    Options.             (line  98)
+* files, portable object, generating:    Options.             (line 169)
 * files, multiple passes over:           Other Arguments.     (line  64)
 * files, reading, multiline records:     Multiple Line.       (line   6)
 * files, descriptors:                    Special FD.          (line   6)
@@ -37411,7 +37389,7 @@ Index
                                                               (line  80)
 * files, message object, converting from portable object files: I18N Example.
                                                               (line  80)
-* find substring in string:              String Functions.    (line 169)
+* find substring in string:              String Functions.    (line 170)
 * finding extensions:                    Finding Extensions.  (line   6)
 * finish debugger command:               Debugger Execution Control.
                                                               (line  39)
@@ -37441,17 +37419,17 @@ Index
 * format specifiers:                     Basic Printf.        (line  15)
 * format specifiers, printf statement:   Control Letters.     (line   6)
 * format specifiers, strftime() function (gawk): Time Functions.
-                                                              (line  90)
+                                                              (line  91)
 * format specifiers, mixing regular with positional specifiers: Printf 
Ordering.
                                                               (line  57)
 * format time string:                    Time Functions.      (line  50)
 * formats, numeric output:               OFMT.                (line   6)
 * formatting, output:                    Printf.              (line   6)
-* formatting, strings:                   String Functions.    (line 405)
+* formatting, strings:                   String Functions.    (line 407)
 * forward slash (/), to enclose regular expressions: Regexp.  (line  10)
 * forward slash (/), /= operator:        Assignment Ops.      (line 129)
 * forward slash (/), /= operator, vs. /=.../ regexp constant: Assignment Ops.
-                                                              (line 150)
+                                                              (line 149)
 * forward slash (/), / operator:         Precedence.          (line  54)
 * forward slash (/), /= operator <1>:    Precedence.          (line  94)
 * forward slash (/), patterns and:       Expression Patterns. (line  24)
@@ -37468,11 +37446,11 @@ Index
 * Free Software Foundation (FSF) <3>:    Glossary.            (line 403)
 * FreeBSD:                               Glossary.            (line 747)
 * FS variable, --field-separator option and: Options.         (line  21)
-* FS variable, TAB character as:         Options.             (line 311)
+* FS variable, TAB character as:         Options.             (line 312)
 * FS variable:                           Field Separators.    (line  16)
 * FS variable, changing value of:        Field Separators.    (line  35)
 * FS variable, containing ^:             Regexp Field Splitting.
-                                                              (line  58)
+                                                              (line  59)
 * FS variable, null string as:           Single Character Fields.
                                                               (line  20)
 * FS variable, character "," as:         Comma Separated Fields.
@@ -37547,23 +37525,23 @@ Index
 * gawk, uses for:                        Preface.             (line  34)
 * gawk, awk and <1>:                     This Manual.         (line  14)
 * gawk, newlines in:                     Statements/Lines.    (line  12)
-* gawk, extensions, disabling:           Options.             (line 302)
-* gawk, version of, printing information about: Options.      (line 349)
+* gawk, extensions, disabling:           Options.             (line 303)
+* gawk, version of, printing information about: Options.      (line 350)
 * gawk, ARGIND variable in:              Other Arguments.     (line  21)
 * gawk, PROCINFO array in:               Other Arguments.     (line  21)
-* gawk, escape sequences:                Escape Sequences.    (line 120)
-* gawk, escape sequences <1>:            Escape Sequences.    (line 120)
+* gawk, escape sequences:                Escape Sequences.    (line 121)
+* gawk, escape sequences <1>:            Escape Sequences.    (line 121)
 * gawk, regular expressions, precedence: Regexp Operator Details.
                                                               (line 142)
 * gawk, interval expressions and:        Interval Expressions.
                                                               (line  10)
-* gawk, character classes and:           Bracket Expressions. (line 113)
+* gawk, character classes and:           Bracket Expressions. (line 112)
 * gawk, regular expressions, operators:  GNU Regexp Operators.
                                                               (line   6)
 * gawk, word-boundary operator:          GNU Regexp Operators.
-                                                              (line  65)
+                                                              (line  68)
 * gawk, command-line options, regular expressions and: GNU Regexp Operators.
-                                                              (line  72)
+                                                              (line  75)
 * gawk, regular expressions, case sensitivity: Case-sensitivity.
                                                               (line  26)
 * gawk, IGNORECASE variable in:          Case-sensitivity.    (line  26)
@@ -37574,7 +37552,7 @@ Index
                                                               (line  30)
 * gawk, splitting fields and:            Testing field creation.
                                                               (line   6)
-* gawk, RT variable in <2>:              Multiple Line.       (line 138)
+* gawk, RT variable in <2>:              Multiple Line.       (line 139)
 * gawk, ERRNO variable in:               Getline.             (line  19)
 * gawk, implementation issues, limits:   Getline Notes.       (line  14)
 * gawk, format-control characters:       Control Letters.     (line  33)
@@ -37597,7 +37575,7 @@ Index
 * gawk, field separators and:            User-modified.       (line  74)
 * gawk, IGNORECASE variable in <1>:      User-modified.       (line  79)
 * gawk, LINT variable in:                User-modified.       (line  90)
-* gawk, TEXTDOMAIN variable in:          User-modified.       (line 154)
+* gawk, TEXTDOMAIN variable in:          User-modified.       (line 155)
 * gawk, ERRNO variable in <3>:           Auto-set.            (line  87)
 * gawk, FUNCTAB array in:                Auto-set.            (line 134)
 * gawk, PROCINFO array in <1>:           Auto-set.            (line 148)
@@ -37606,10 +37584,10 @@ Index
 * gawk, SYMTAB array in:                 Auto-set.            (line 355)
 * gawk, IGNORECASE variable in <2>:      Array Intro.         (line 100)
 * gawk, function arguments and:          Calling Built-in.    (line  16)
-* gawk, IGNORECASE variable in <3>:      String Functions.    (line  57)
+* gawk, IGNORECASE variable in <3>:      String Functions.    (line  58)
 * gawk, timestamps:                      Time Functions.      (line   6)
 * gawk, PROCINFO array in <2>:           Time Functions.      (line  49)
-* gawk, bitwise operations in:           Bitwise Functions.   (line  41)
+* gawk, bitwise operations in:           Bitwise Functions.   (line  40)
 * gawk, string-translation functions:    I18N Functions.      (line   6)
 * gawk, features, advanced:              Advanced Features.   (line   6)
 * gawk, IGNORECASE variable in <4>:      Array Sorting Functions.
@@ -37640,6 +37618,7 @@ Index
 * gawk, implementation issues, debugging: Compatibility Mode. (line   6)
 * gawk, features, adding:                Adding Code.         (line   6)
 * gawk, coding style in:                 Adding Code.         (line  42)
+* gawk <1>:                              Preface.             (line  34)
 * gawkbug utility:                       Bug address.         (line  31)
 * gawkextlib project:                    gawkextlib.          (line   6)
 * gawklibpath_append shell function:     Shell Startup Files. (line  29)
@@ -37673,19 +37652,19 @@ Index
 * generate time values:                  Time Functions.      (line  25)
 * gensub:                                Standard Regexp Constants.
                                                               (line  43)
-* gensub <1>:                            String Functions.    (line  98)
+* gensub <1>:                            String Functions.    (line  99)
 * gensub() function (gawk), escape processing: Gory Details.  (line   6)
 * getaddrinfo() function (C library):    TCP/IP Networking.   (line  39)
 * getgrent() function (C library):       Group Functions.     (line   6)
-* getgrent() function (C library) <1>:   Group Functions.     (line 200)
+* getgrent() function (C library) <1>:   Group Functions.     (line 202)
 * getgrent() user-defined function:      Group Functions.     (line   6)
-* getgrent() user-defined function <1>:  Group Functions.     (line 203)
-* getgrgid() function (C library):       Group Functions.     (line 182)
-* getgrgid() user-defined function:      Group Functions.     (line 185)
-* getgrnam() function (C library):       Group Functions.     (line 171)
-* getgrnam() user-defined function:      Group Functions.     (line 176)
-* getgruser() function (C library):      Group Functions.     (line 191)
-* getgruser() user-defined function:     Group Functions.     (line 194)
+* getgrent() user-defined function <1>:  Group Functions.     (line 205)
+* getgrgid() function (C library):       Group Functions.     (line 184)
+* getgrgid() user-defined function:      Group Functions.     (line 187)
+* getgrnam() function (C library):       Group Functions.     (line 173)
+* getgrnam() user-defined function:      Group Functions.     (line 178)
+* getgruser() function (C library):      Group Functions.     (line 193)
+* getgruser() user-defined function:     Group Functions.     (line 196)
 * getline command:                       Reading Files.       (line  20)
 * getline command, explicit input with:  Getline.             (line   6)
 * getline command, return values:        Getline.             (line  19)
@@ -37709,13 +37688,13 @@ Index
 * getopt() user-defined function:        Getopt Function.     (line 117)
 * getopt() user-defined function <1>:    Getopt Function.     (line 144)
 * getpwent() function (C library):       Passwd Functions.    (line  16)
-* getpwent() function (C library) <1>:   Passwd Functions.    (line 195)
+* getpwent() function (C library) <1>:   Passwd Functions.    (line 196)
 * getpwent() user-defined function:      Passwd Functions.    (line  16)
-* getpwent() user-defined function <1>:  Passwd Functions.    (line 199)
-* getpwnam() function (C library):       Passwd Functions.    (line 174)
-* getpwnam() user-defined function:      Passwd Functions.    (line 179)
-* getpwuid() function (C library):       Passwd Functions.    (line 185)
-* getpwuid() user-defined function:      Passwd Functions.    (line 189)
+* getpwent() user-defined function <1>:  Passwd Functions.    (line 200)
+* getpwnam() function (C library):       Passwd Functions.    (line 175)
+* getpwnam() user-defined function:      Passwd Functions.    (line 180)
+* getpwuid() function (C library):       Passwd Functions.    (line 186)
+* getpwuid() user-defined function:      Passwd Functions.    (line 190)
 * gettext library:                       Explaining gettext.  (line   6)
 * gettext library, locale categories:    Explaining gettext.  (line  81)
 * gettext() function (C library):        Explaining gettext.  (line  63)
@@ -37731,12 +37710,13 @@ Index
 * GMP values, API ownership of:          API Ownership of MPFR and GMP Values.
                                                               (line   6)
 * GNITS mailing list:                    Acknowledgments.     (line  52)
+* GNU awk:                               Preface.             (line  51)
 * GNU Free Documentation License:        GNU Free Documentation License.
                                                               (line   8)
 * GNU Lesser General Public License:     Glossary.            (line 489)
 * GNU long options:                      Command Line.        (line  13)
 * GNU long options <1>:                  Options.             (line   6)
-* GNU long options, printing list of:    Options.             (line 175)
+* GNU long options, printing list of:    Options.             (line 176)
 * GNU Project:                           Manual History.      (line  11)
 * GNU Project <1>:                       Glossary.            (line 403)
 * GNU/Linux:                             Manual History.      (line  28)
@@ -37746,7 +37726,7 @@ Index
 * goawk:                                 Other Versions.      (line 125)
 * Gordon, Assaf:                         Contributors.        (line 108)
 * GPL (General Public License):          Manual History.      (line  11)
-* GPL (General Public License), printing: Options.            (line  92)
+* GPL (General Public License), printing: Options.            (line  93)
 * GPL (General Public License) <1>:      Glossary.            (line 394)
 * grcat program:                         Group Functions.     (line  16)
 * Grigera, Juan:                         Contributors.        (line  58)
@@ -37756,8 +37736,8 @@ Index
 * groups, information about:             Group Functions.     (line   6)
 * gsub:                                  Standard Regexp Constants.
                                                               (line  43)
-* gsub <1>:                              String Functions.    (line 153)
-* gsub() function, arguments of:         String Functions.    (line 484)
+* gsub <1>:                              String Functions.    (line 154)
+* gsub() function, arguments of:         String Functions.    (line 486)
 * gsub() function, escape processing:    Gory Details.        (line   6)
 * Guerrero, Juan Manuel:                 Acknowledgments.     (line  60)
 * Guerrero, Juan Manuel <1>:             Contributors.        (line 150)
@@ -37772,13 +37752,13 @@ Index
 * help debugger command:                 Miscellaneous Debugger Commands.
                                                               (line  67)
 * hexadecimal numbers:                   Nondecimal-numbers.  (line   6)
-* hexadecimal values, enabling interpretation of: Options.    (line 255)
+* hexadecimal values, enabling interpretation of: Options.    (line 256)
 * history expansion, in debugger:        Readline Support.    (line   6)
 * histsort.awk program:                  History Sorting.     (line  25)
 * Hughes, Phil:                          Acknowledgments.     (line  43)
 * HUP signal, for dynamic profiling:     Profiling.           (line 217)
-* hyphen (-), file names beginning with: Options.             (line  63)
-* hyphen (-), -- end of options marker:  Options.             (line 354)
+* hyphen (-), file names beginning with: Options.             (line  64)
+* hyphen (-), -- end of options marker:  Options.             (line 355)
 * hyphen (-), in bracket expressions:    Bracket Expressions. (line  25)
 * hyphen (-), -= operator:               Assignment Ops.      (line 129)
 * hyphen (-), -- operator:               Increment Ops.       (line  48)
@@ -37823,8 +37803,8 @@ Index
 * @include directive:                    Include Files.       (line   8)
 * including files, @include directive:   Include Files.       (line   8)
 * increment operators:                   Increment Ops.       (line   6)
-* index:                                 String Functions.    (line 169)
-* indexing arrays:                       Array Intro.         (line  49)
+* index:                                 String Functions.    (line 170)
+* indexing arrays:                       Array Intro.         (line  48)
 * indirect function calls:               Indirect Calls.      (line   6)
 * indirect function calls, @-notation:   Indirect Calls.      (line  47)
 * infinite precision:                    Arbitrary Precision Arithmetic.
@@ -37849,7 +37829,7 @@ Index
                                                               (line   6)
 * input files, counting elements in:     Wc Program.          (line   6)
 * input pipeline:                        Getline/Pipe.        (line  10)
-* input record, length of:               String Functions.    (line 191)
+* input record, length of:               String Functions.    (line 192)
 * input redirection:                     Getline/File.        (line   6)
 * input/output, from BEGIN and END:      I/O And BEGIN/END.   (line   6)
 * input/output, binary:                  User-modified.       (line  15)
@@ -37863,18 +37843,18 @@ Index
 * installing gawk, OpenVMS:              OpenVMS Installation.
                                                               (line   6)
 * instruction tracing, in debugger:      Debugger Info.       (line  90)
-* instructions, trace of internal:       Options.             (line 197)
-* int:                                   Numeric Functions.   (line  23)
+* instructions, trace of internal:       Options.             (line 198)
+* int:                                   Numeric Functions.   (line  24)
 * INT signal (MS-Windows):               Profiling.           (line 220)
 * integer array indices:                 Numeric Array Subscripts.
                                                               (line  31)
 * integers, unsigned:                    Computer Arithmetic. (line  41)
 * integers, arbitrary precision:         Arbitrary Precision Integers.
                                                               (line   6)
-* interacting with other programs:       I/O Functions.       (line 105)
+* interacting with other programs:       I/O Functions.       (line 106)
 * internationalization, localization, character classes: Bracket Expressions.
-                                                              (line 113)
-* internationalization, localization:    User-modified.       (line 154)
+                                                              (line 112)
+* internationalization, localization:    User-modified.       (line 155)
 * internationalization:                  I18N Functions.      (line   6)
 * internationalization, localization <1>: Internationalization.
                                                               (line  19)
@@ -37893,17 +37873,17 @@ Index
 * internationalization, localization, portability and: I18N Portability.
                                                               (line   6)
 * internationalizing a program:          Explaining gettext.  (line   6)
-* interpreted programs:                  Basic High Level.    (line  14)
+* interpreted programs:                  Basic High Level.    (line  13)
 * interpreted programs <1>:              Glossary.            (line 443)
 * interval expressions, regexp operator: Regexp Operator Details.
                                                               (line 118)
 * INT_CHAIN_MAX environment variable:    Other Environment Variables.
                                                               (line  87)
 * inventory-shipped file:                Sample Data Files.   (line  32)
-* invoke shell command:                  I/O Functions.       (line 105)
+* invoke shell command:                  I/O Functions.       (line 106)
 * isarray:                               Type Functions.      (line  11)
 * isnumeric() user-defined function:     Isnumeric Function.  (line  11)
-* ISO, ISO 8601 date and time standard:  Time Functions.      (line 185)
+* ISO, ISO 8601 date and time standard:  Time Functions.      (line 186)
 * ISO, ISO 8859-1 character set:         Glossary.            (line 194)
 * ISO, ISO Latin-1 character set:        Glossary.            (line 194)
 * ISO:                                   Glossary.            (line 454)
@@ -37946,7 +37926,7 @@ Index
 * Langston, Peter:                       Advanced Features.   (line   6)
 * LANGUAGE environment variable:         Explaining gettext.  (line 120)
 * LANGUAGE environment variable <1>:     I18N Example.        (line  68)
-* languages, data-driven:                Basic High Level.    (line  76)
+* languages, data-driven:                Basic High Level.    (line  74)
 * LC_ALL environment variable:           Split Program.       (line  39)
 * LC_ALL environment variable <1>:       I18N Example.        (line  68)
 * LC_ALL environment variable <2>:       Bug address.         (line  18)
@@ -37967,11 +37947,11 @@ Index
                                                               (line  11)
 * left angle bracket (<), < operator <1>: Precedence.         (line  64)
 * left angle bracket (<), <= operator <1>: Precedence.        (line  64)
-* left shift, bitwise:                   Bitwise Functions.   (line  33)
+* left shift, bitwise:                   Bitwise Functions.   (line  32)
 * leftmost longest match:                Multiple Line.       (line  26)
-* length:                                String Functions.    (line 184)
-* length of input record:                String Functions.    (line 191)
-* length of string:                      String Functions.    (line 184)
+* length:                                String Functions.    (line 185)
+* length of input record:                String Functions.    (line 192)
+* length of string:                      String Functions.    (line 185)
 * Lesser General Public License (LGPL):  Glossary.            (line 489)
 * LGPL (Lesser General Public License):  Glossary.            (line 489)
 * libmawk:                               Other Versions.      (line 153)
@@ -38008,9 +37988,9 @@ Index
 * lines, counting:                       Wc Program.          (line   6)
 * lines, duplicate, removing:            History Sorting.     (line   6)
 * lint checking, empty programs:         Command Line.        (line  16)
-* lint checking, issuing warnings:       Options.             (line 215)
+* lint checking, issuing warnings:       Options.             (line 216)
 * lint checking, POSIXLY_CORRECT environment variable: Options.
-                                                              (line 396)
+                                                              (line 397)
 * lint checking:                         User-modified.       (line  90)
 * lint checking, array subscripts:       Uninitialized Subscripts.
                                                               (line  43)
@@ -38023,17 +38003,17 @@ Index
 * list function definitions, in debugger: Debugger Info.      (line  30)
 * @load directive:                       Loading Shared Libraries.
                                                               (line   8)
-* loading extensions:                    Options.             (line 203)
+* loading extensions:                    Options.             (line 204)
 * loading extensions, @load directive:   Loading Shared Libraries.
                                                               (line   8)
 * local variables, in a function:        Variable Scope.      (line   6)
 * local variables, show in debugger:     Debugger Info.       (line  34)
 * locale categories:                     Explaining gettext.  (line  81)
-* locale decimal point character:        Options.             (line 314)
+* locale decimal point character:        Options.             (line 315)
 * locale, definition of:                 Locales.             (line   6)
-* log:                                   Numeric Functions.   (line  28)
+* log:                                   Numeric Functions.   (line  29)
 * log files, timestamps in:              Time Functions.      (line   6)
-* logarithm:                             Numeric Functions.   (line  28)
+* logarithm:                             Numeric Functions.   (line  29)
 * logical false/true:                    Truth Values.        (line   6)
 * login information:                     Passwd Functions.    (line  16)
 * long options:                          Command Line.        (line  13)
@@ -38046,9 +38026,10 @@ Index
 * loops, break statement and:            Break Statement.     (line   6)
 * loops, for, array scanning:            Scanning an Array.   (line   6)
 * loops, count for header, in a profile: Profiling.           (line 131)
-* ls utility:                            Very Simple.         (line  54)
+* loops <1>:                             While Statement.     (line   6)
+* ls utility:                            Very Simple.         (line  55)
 * ls utility <1>:                        More Complex.        (line  15)
-* lshift:                                Bitwise Functions.   (line  48)
+* lshift:                                Bitwise Functions.   (line  47)
 * lvalues/rvalues:                       Assignment Ops.      (line  31)
 * mail-list file:                        Sample Data Files.   (line   6)
 * mailing labels, printing:              Labels Program.      (line   6)
@@ -38060,16 +38041,16 @@ Index
 * marked string extraction (internationalization): String Extraction.
                                                               (line   6)
 * Marx, Groucho:                         Increment Ops.       (line  60)
-* match:                                 String Functions.    (line 224)
-* match regexp in string:                String Functions.    (line 224)
+* match:                                 String Functions.    (line 225)
+* match regexp in string:                String Functions.    (line 225)
 * match() function, RSTART/RLENGTH variables: String Functions.
-                                                              (line 241)
-* match() function, side effects:        String Functions.    (line 241)
+                                                              (line 242)
+* match() function, side effects:        String Functions.    (line 242)
 * matching, leftmost longest:            Multiple Line.       (line  26)
 * matching, expressions:                 Typing and Comparison.
                                                               (line   9)
-* matching, null strings:                String Functions.    (line 567)
-* mawk utility:                          Escape Sequences.    (line 120)
+* matching, null strings:                String Functions.    (line 569)
+* mawk utility:                          Escape Sequences.    (line 121)
 * mawk utility <1>:                      Getline/Pipe.        (line  62)
 * mawk utility <2>:                      Concatenation.       (line  36)
 * mawk utility <3>:                      Nextfile Statement.  (line  47)
@@ -38087,7 +38068,7 @@ Index
 * message object files, converting from portable object files: I18N Example.
                                                               (line  80)
 * messages from extensions:              Printing Messages.   (line   6)
-* metacharacters, escape sequences for:  Escape Sequences.    (line 139)
+* metacharacters, escape sequences for:  Escape Sequences.    (line 140)
 * metacharacters, in regular expressions: Regexp Operators.   (line   6)
 * minimum precision required by MPFR library: Auto-set.       (line 282)
 * Minshall, Greg:                        Getopt Function.     (line 105)
@@ -38148,7 +38129,7 @@ Index
 * networks, support for:                 Special Network.     (line   6)
 * networks, programming:                 TCP/IP Networking.   (line   6)
 * newlines:                              Statements/Lines.    (line   6)
-* newlines <1>:                          Options.             (line 308)
+* newlines <1>:                          Options.             (line 309)
 * newlines, in dynamic regexps:          Computed Regexps.    (line  60)
 * newlines, in regexp constants:         Computed Regexps.    (line  70)
 * newlines, as record separators:        awk split records.   (line  12)
@@ -38192,16 +38173,16 @@ Index
                                                               (line  73)
 * null strings:                          awk split records.   (line 108)
 * null strings <1>:                      Regexp Field Splitting.
-                                                              (line  42)
+                                                              (line  43)
 * null strings, converting numbers to strings: Strings And Numbers.
                                                               (line  21)
 * null strings <2>:                      Truth Values.        (line   6)
 * null strings, as array subscripts:     Uninitialized Subscripts.
                                                               (line  43)
 * null strings, deleting array elements and: Delete.          (line  27)
-* null strings, matching:                String Functions.    (line 567)
+* null strings, matching:                String Functions.    (line 569)
 * null strings <3>:                      Basic Data Typing.   (line  26)
-* number of array elements:              String Functions.    (line 214)
+* number of array elements:              String Functions.    (line 215)
 * number sign (#), #! (executable scripts): Executable Scripts.
                                                               (line   6)
 * number sign (#), commenting:           Comments.            (line   6)
@@ -38212,8 +38193,8 @@ Index
 * numbers, converting, to strings <1>:   User-modified.       (line 107)
 * numbers, as array subscripts:          Numeric Array Subscripts.
                                                               (line   6)
-* numbers, converting <1>:               Bitwise Functions.   (line 110)
-* numbers, as string of bits:            Bitwise Functions.   (line 110)
+* numbers, converting <1>:               Bitwise Functions.   (line 109)
+* numbers, as string of bits:            Bitwise Functions.   (line 109)
 * numbers, rounding:                     Round Function.      (line   6)
 * numbers, Cliff random:                 Cliff Random Function.
                                                               (line   6)
@@ -38225,7 +38206,7 @@ Index
 * o debugger command (alias for option): Debugger Info.       (line  57)
 * obsolete features:                     Obsolete.            (line   6)
 * octal numbers:                         Nondecimal-numbers.  (line   6)
-* octal values, enabling interpretation of: Options.          (line 255)
+* octal values, enabling interpretation of: Options.          (line 256)
 * OFMT variable:                         OFMT.                (line  15)
 * OFMT variable, POSIX awk and:          OFMT.                (line  27)
 * OFMT variable <1>:                     Strings And Numbers. (line  56)
@@ -38233,7 +38214,7 @@ Index
 * OFS variable:                          Changing Fields.     (line  64)
 * OFS variable <1>:                      Output Separators.   (line   6)
 * OFS variable <2>:                      User-modified.       (line 116)
-* op-codes, trace of internal:           Options.             (line 197)
+* op-codes, trace of internal:           Options.             (line 198)
 * OpenBSD:                               Glossary.            (line 747)
 * OpenSolaris:                           Other Versions.      (line 100)
 * operating systems, BSD-based:          Manual History.      (line  28)
@@ -38247,9 +38228,9 @@ Index
 * operators, GNU-specific:               GNU Regexp Operators.
                                                               (line   6)
 * operators, string-matching, for buffers: GNU Regexp Operators.
-                                                              (line  50)
+                                                              (line  53)
 * operators, word-boundary (gawk):       GNU Regexp Operators.
-                                                              (line  65)
+                                                              (line  68)
 * operators, input/output:               Getline/File.        (line   6)
 * operators, input/output <1>:           Getline/Pipe.        (line  10)
 * operators, input/output <2>:           Getline/Coprocess.   (line   6)
@@ -38274,11 +38255,11 @@ Index
 * options, long:                         Command Line.        (line  13)
 * options, command-line:                 Options.             (line   6)
 * options, long <1>:                     Options.             (line   6)
-* options, command-line, end of:         Options.             (line  58)
-* options, printing list of:             Options.             (line 175)
+* options, command-line, end of:         Options.             (line  59)
+* options, printing list of:             Options.             (line 176)
 * options, deprecated:                   Obsolete.            (line   6)
 * options, command-line, processing:     Getopt Function.     (line   6)
-* or:                                    Bitwise Functions.   (line  51)
+* or:                                    Bitwise Functions.   (line  50)
 * OR bitwise operation:                  Bitwise Functions.   (line   6)
 * or Boolean-logic operator:             Boolean Ops.         (line   6)
 * ord() extension function:              Extension Sample Ord.
@@ -38286,7 +38267,7 @@ Index
 * ord() user-defined function:           Ordinal Functions.   (line  16)
 * order of evaluation, concatenation:    Concatenation.       (line  41)
 * ORS variable:                          Output Separators.   (line  20)
-* ORS variable <1>:                      User-modified.       (line 121)
+* ORS variable <1>:                      User-modified.       (line 122)
 * output, records:                       Output Separators.   (line  20)
 * output, format specifier, OFMT:        OFMT.                (line  15)
 * output, formatted:                     Printf.              (line   6)
@@ -38297,6 +38278,8 @@ Index
 * output, buffering:                     I/O Functions.       (line  32)
 * output, buffering <1>:                 I/O Functions.       (line 168)
 * output, duplicating into files:        Tee Program.         (line   6)
+* output field separator:                Changing Fields.     (line  64)
+* output record separator:               Output Separators.   (line  20)
 * output redirection:                    Redirection.         (line   6)
 * output wrapper:                        Output Wrappers.     (line   6)
 * p debugger command (alias for print):  Viewing And Changing Data.
@@ -38311,8 +38294,8 @@ Index
 * Path environment variable:             PC Binary Installation.
                                                               (line   6)
 * PATH environment variable:             Derived Files.       (line  94)
-* patsplit:                              String Functions.    (line 310)
-* patterns, default:                     Very Simple.         (line  34)
+* patsplit:                              String Functions.    (line 311)
+* patterns, default:                     Very Simple.         (line  35)
 * patterns, regexp constants as:         Regexp Usage.        (line   6)
 * patterns:                              Patterns and Actions.
                                                               (line   6)
@@ -38362,7 +38345,7 @@ Index
 * portability, #! (executable scripts):  Executable Scripts.  (line  29)
 * portability, ARGV variable:            Executable Scripts.  (line  55)
 * portability, backslash continuation and: Statements/Lines.  (line  30)
-* portability, POSIXLY_CORRECT environment variable: Options. (line 416)
+* portability, POSIXLY_CORRECT environment variable: Options. (line 417)
 * portability:                           Escape Sequences.    (line 103)
 * portability, backslash in escape sequences: Escape Sequences.
                                                               (line 108)
@@ -38373,12 +38356,12 @@ Index
                                                               (line  81)
 * portability, new awk vs. old awk:      Strings And Numbers. (line  56)
 * portability, ** operator and:          Arithmetic Ops.      (line  85)
-* portability, **= operator and:         Assignment Ops.      (line 145)
+* portability, **= operator and:         Assignment Ops.      (line 144)
 * portability, operators:                Increment Ops.       (line  60)
 * portability, operators, not in POSIX awk: Precedence.       (line  97)
 * portability, deleting array elements:  Delete.              (line  56)
-* portability, length() function:        String Functions.    (line 193)
-* portability, substr() function:        String Functions.    (line 534)
+* portability, length() function:        String Functions.    (line 194)
+* portability, substr() function:        String Functions.    (line 536)
 * portability, functions, defining:      Definition Syntax.   (line 114)
 * portability, next statement in user-defined functions: Function Caveats.
                                                               (line  26)
@@ -38386,7 +38369,7 @@ Index
 * portability, gettext library and:      Explaining gettext.  (line  11)
 * portability, internationalization and: I18N Portability.    (line   6)
 * portability, gawk:                     New Ports.           (line   6)
-* portable object, files, generating:    Options.             (line 168)
+* portable object, files, generating:    Options.             (line 169)
 * portable object, template files:       Explaining gettext.  (line  31)
 * portable object, files:                Explaining gettext.  (line  37)
 * portable object, files <1>:            Translator i18n.     (line   6)
@@ -38415,7 +38398,7 @@ Index
 * POSIX awk, bracket expressions and, character classes: Bracket Expressions.
                                                               (line  40)
 * POSIX awk, bracket expressions and, character classes <1>: Bracket 
Expressions.
-                                                              (line 113)
+                                                              (line 112)
 * POSIX awk, field separators and:       Full Line Fields.    (line  16)
 * POSIX awk, < operator and:             Getline/File.        (line  26)
 * POSIX awk, | I/O operator and:         Getline/Pipe.        (line  56)
@@ -38423,8 +38406,8 @@ Index
 * POSIX awk, printf format strings and:  Format Modifiers.    (line 157)
 * POSIX awk, OFMT variable and <1>:      Strings And Numbers. (line  56)
 * POSIX awk, arithmetic operators and:   Arithmetic Ops.      (line  30)
-* POSIX awk <1>:                         Assignment Ops.      (line 139)
-* POSIX awk, **= operator and:           Assignment Ops.      (line 145)
+* POSIX awk <1>:                         Assignment Ops.      (line 138)
+* POSIX awk, **= operator and:           Assignment Ops.      (line 144)
 * POSIX awk, numeric strings and:        Variable Typing.     (line  67)
 * POSIX awk, ** operator and:            Precedence.          (line  97)
 * POSIX awk, BEGIN/END patterns:         I/O And BEGIN/END.   (line  15)
@@ -38432,20 +38415,20 @@ Index
 * POSIX awk, continue statement and:     Continue Statement.  (line  44)
 * POSIX awk, next/nextfile statements and: Next Statement.    (line  44)
 * POSIX awk, CONVFMT variable and:       User-modified.       (line  30)
-* POSIX awk, functions and, length():    String Functions.    (line 193)
-* POSIX awk, functions and, gsub()/sub(): Gory Details.       (line  92)
+* POSIX awk, functions and, length():    String Functions.    (line 194)
+* POSIX awk, functions and, gsub()/sub(): Gory Details.       (line  90)
 * POSIX awk, timestamps and:             Time Functions.      (line   6)
-* POSIX awk, date utility and:           Time Functions.      (line 254)
+* POSIX awk, date utility and:           Time Functions.      (line 255)
 * POSIX awk, function keyword in:        Definition Syntax.   (line  99)
 * POSIX awk, changes in awk versions:    POSIX.               (line   6)
-* POSIX mode:                            Options.             (line 302)
-* POSIX mode <1>:                        Options.             (line 396)
+* POSIX mode:                            Options.             (line 303)
+* POSIX mode <1>:                        Options.             (line 397)
 * POSIX mode <2>:                        Regexp Operator Details.
                                                               (line  47)
 * POSIX mode <3>:                        Input Summary.       (line  69)
 * POSIX mode <4>:                        Special Caveats.     (line   9)
 * POSIX mode <5>:                        Close Files And Pipes.
-                                                              (line 165)
+                                                              (line 164)
 * POSIX mode <6>:                        Scalar Constants.    (line  63)
 * POSIX mode <7>:                        Locale influences conversions.
                                                               (line  41)
@@ -38453,30 +38436,30 @@ Index
                                                               (line  12)
 * POSIX mode <9>:                        POSIX String Comparison.
                                                               (line  34)
-* POSIX mode <10>:                       String Functions.    (line 401)
+* POSIX mode <10>:                       String Functions.    (line 403)
 * POSIX mode <11>:                       Controlling Array Traversal.
                                                               (line 226)
 * POSIX mode <12>:                       POSIX Floating Point Problems.
                                                               (line  83)
 * POSIX mode <13>:                       Feature History.     (line 315)
-* POSIXLY_CORRECT environment variable:  Options.             (line 396)
+* POSIXLY_CORRECT environment variable:  Options.             (line 397)
 * POSIXLY_CORRECT environment variable <1>: Other Environment Variables.
                                                               (line  33)
 * POSIXLY_CORRECT environment variable <2>: Invoking Summary. (line  49)
 * POSIXLY_CORRECT environment variable <3>: Locale influences conversions.
                                                               (line  41)
-* PREC variable:                         User-modified.       (line 126)
+* PREC variable:                         User-modified.       (line 127)
 * precedence, regexp operators:          Regexp Operator Details.
                                                               (line 137)
 * precedence:                            Increment Ops.       (line  60)
 * precedence <1>:                        Precedence.          (line   6)
-* predefined variables, -v option, setting with: Options.     (line  44)
+* predefined variables, -v option, setting with: Options.     (line  45)
 * predefined variables:                  Built-in Variables.  (line   6)
 * predefined variables, user-modifiable: User-modified.       (line   6)
 * predefined variables, conveying information: Auto-set.      (line   6)
 * pretty printer, interaction with namespaces: Namespace And Features.
                                                               (line   9)
-* pretty printing:                       Options.             (line 267)
+* pretty printing:                       Options.             (line 268)
 * pretty printing <1>:                   Profiling.           (line 228)
 * pretty printing, profiling, difference with: Profiling.     (line 235)
 * print debugger command:                Viewing And Changing Data.
@@ -38506,7 +38489,7 @@ Index
                                                               (line   6)
 * printf statement, positional specifiers, mixing with regular formats: Printf 
Ordering.
                                                               (line  57)
-* printing, list of options:             Options.             (line 175)
+* printing, list of options:             Options.             (line 176)
 * printing:                              Printing.            (line   6)
 * printing, user information:            Id Program.          (line   6)
 * printing, unduplicated lines of text:  Uniq Program.        (line   6)
@@ -38538,7 +38521,7 @@ Index
 * program, definition of:                Getting Started.     (line  21)
 * programming, concepts:                 Basic Concepts.      (line   6)
 * programming, concepts <1>:             Basic Concepts.      (line   6)
-* programming, basic steps:              Basic High Level.    (line  19)
+* programming, basic steps:              Basic High Level.    (line  18)
 * programming conventions, exit statement: Exit Statement.    (line  38)
 * programming conventions, ARGC/ARGV variables: Auto-set.     (line  35)
 * programming conventions, functions, calling: Calling Built-in.
@@ -38571,7 +38554,7 @@ Index
 * question mark (?), regexp operator:    Regexp Operator Details.
                                                               (line 113)
 * question mark (?), regexp operator <1>: GNU Regexp Operators.
-                                                              (line  61)
+                                                              (line  64)
 * question mark (?), ?: operator:        Precedence.          (line  91)
 * QuikTrim Awk:                          Other Versions.      (line 178)
 * quit debugger command:                 Miscellaneous Debugger Commands.
@@ -38587,10 +38570,10 @@ Index
 * Ramey, Chet:                           Acknowledgments.     (line  60)
 * Ramey, Chet <1>:                       General Data Types.  (line   6)
 * Ramming, J. Christopher:               Other Versions.      (line 167)
-* rand:                                  Numeric Functions.   (line  33)
+* rand:                                  Numeric Functions.   (line  34)
 * random numbers, rand()/srand() functions: Numeric Functions.
-                                                              (line  33)
-* random numbers, seed of:               Numeric Functions.   (line  63)
+                                                              (line  34)
+* random numbers, seed of:               Numeric Functions.   (line  64)
 * random numbers, Cliff:                 Cliff Random Function.
                                                               (line   6)
 * range expressions (regexps):           Bracket Expressions. (line   6)
@@ -38621,14 +38604,14 @@ Index
 * record separators, regular expressions as: awk split records.
                                                               (line 118)
 * record separators, with multiline records: Multiple Line.   (line  10)
-* record separators <1>:                 User-modified.       (line 135)
+* record separators <1>:                 User-modified.       (line 136)
 * records:                               Reading Files.       (line  14)
 * records, splitting input into:         Records.             (line   6)
 * records, terminating:                  awk split records.   (line 118)
 * records, treating files as:            gawk split records.  (line 104)
 * records, multiline:                    Multiple Line.       (line   6)
 * records, printing:                     Print.               (line  22)
-* records <1>:                           Basic High Level.    (line  64)
+* records <1>:                           Basic High Level.    (line  62)
 * recursive functions:                   Definition Syntax.   (line  89)
 * redirect gawk output, in debugger:     Debugger Info.       (line  73)
 * redirection, of input:                 Getline/File.        (line   6)
@@ -38643,15 +38626,15 @@ Index
 * regexp constants <1>:                  Regexp Constants.    (line   6)
 * regexp constants, in gawk:             Standard Regexp Constants.
                                                               (line  28)
-* regexp constants, /=.../, /= operator and: Assignment Ops.  (line 150)
+* regexp constants, /=.../, /= operator and: Assignment Ops.  (line 149)
 * regexp constants <2>:                  Comparison Operators.
-                                                              (line 104)
+                                                              (line 103)
 * regexp constants, as patterns:         Expression Patterns. (line  34)
 * regexps, empty:                        Regexp Operator Details.
                                                               (line 149)
 * register loadable extension:           Registration Functions.
                                                               (line   6)
-* regular expressions, interval expressions and: Options.     (line 323)
+* regular expressions, interval expressions and: Options.     (line 324)
 * regular expressions:                   Regexp.              (line   6)
 * regular expressions, as patterns:      Regexp Usage.        (line   6)
 * regular expressions, operators:        Regexp Usage.        (line  19)
@@ -38671,9 +38654,9 @@ Index
 * regular expressions, operators, for words: GNU Regexp Operators.
                                                               (line   6)
 * regular expressions, operators, for buffers: GNU Regexp Operators.
-                                                              (line  50)
+                                                              (line  53)
 * regular expressions, gawk, command-line options: GNU Regexp Operators.
-                                                              (line  72)
+                                                              (line  75)
 * regular expressions, case sensitivity: Case-sensitivity.    (line   6)
 * regular expressions, as record separators: awk split records.
                                                               (line 118)
@@ -38683,7 +38666,7 @@ Index
 * regular expressions, as patterns <1>:  Regexp Patterns.     (line   6)
 * regular expressions, case sensitivity <1>: User-modified.   (line  79)
 * regular expressions, searching for:    Egrep Program.       (line   6)
-* replace in string:                     String Functions.    (line 430)
+* replace in string:                     String Functions.    (line 432)
 * retrying input:                        Retrying Input.      (line   6)
 * return debugger command:               Debugger Execution Control.
                                                               (line  54)
@@ -38705,10 +38688,10 @@ Index
 * right angle bracket (>), >= operator <1>: Precedence.       (line  64)
 * right angle bracket (>), > operator <1>: Precedence.        (line  64)
 * right angle bracket (>), >> operator (I/O) <1>: Precedence. (line  64)
-* right shift, bitwise:                  Bitwise Functions.   (line  33)
+* right shift, bitwise:                  Bitwise Functions.   (line  32)
 * Ritchie, Dennis:                       Basic Data Typing.   (line  54)
 * RLENGTH variable:                      Auto-set.            (line 338)
-* RLENGTH variable, match() function and: String Functions.   (line 241)
+* RLENGTH variable, match() function and: String Functions.   (line 242)
 * Robbins, Miriam:                       Acknowledgments.     (line  94)
 * Robbins, Jean:                         Acknowledgments.     (line  94)
 * Robbins, Harry:                        Acknowledgments.     (line  94)
@@ -38727,21 +38710,21 @@ Index
 * Robbins, Arnold <6>:                   Maintainers.         (line  14)
 * Robbins, Arnold <7>:                   Future Extensions.   (line   6)
 * Rommel, Kai Uwe:                       Contributors.        (line  43)
-* round to nearest integer:              Numeric Functions.   (line  23)
+* round to nearest integer:              Numeric Functions.   (line  24)
 * round() user-defined function:         Round Function.      (line  16)
 * rounding numbers:                      Round Function.      (line   6)
-* ROUNDMODE variable:                    User-modified.       (line 130)
+* ROUNDMODE variable:                    User-modified.       (line 131)
 * ROUNDMODE variable <1>:                Setting the rounding mode.
                                                               (line   6)
 * RS variable:                           awk split records.   (line  12)
 * RS variable, multiline records and:    Multiple Line.       (line  17)
-* RS variable <1>:                       User-modified.       (line 135)
-* rshift:                                Bitwise Functions.   (line  55)
+* RS variable <1>:                       User-modified.       (line 136)
+* rshift:                                Bitwise Functions.   (line  54)
 * RSTART variable:                       Auto-set.            (line 344)
-* RSTART variable, match() function and: String Functions.    (line 241)
+* RSTART variable, match() function and: String Functions.    (line 242)
 * RT variable:                           awk split records.   (line 118)
 * RT variable <1>:                       gawk split records.  (line  66)
-* RT variable <2>:                       Multiple Line.       (line 138)
+* RT variable <2>:                       Multiple Line.       (line 139)
 * RT variable <3>:                       Auto-set.            (line 351)
 * Rubin, Paul:                           History.             (line  30)
 * Rubin, Paul <1>:                       Contributors.        (line  16)
@@ -38753,7 +38736,7 @@ Index
                                                               (line  68)
 * sample debugging session:              Sample Debugging Session.
                                                               (line   6)
-* sandbox mode:                          Options.             (line 334)
+* sandbox mode:                          Options.             (line 335)
 * save debugger options:                 Debugger Info.       (line  85)
 * scalar or array:                       Type Functions.      (line  11)
 * scalar values:                         Basic Data Typing.   (line  13)
@@ -38764,8 +38747,8 @@ Index
 * Schorr, Andrew <2>:                    Contributors.        (line 136)
 * Schreiber, Bert:                       Acknowledgments.     (line  38)
 * Schreiber, Rita:                       Acknowledgments.     (line  38)
-* search and replace in strings:         String Functions.    (line  98)
-* search for substring:                  String Functions.    (line 169)
+* search and replace in strings:         String Functions.    (line  99)
+* search for substring:                  String Functions.    (line 170)
 * search paths, for source files:        AWKPATH Variable.    (line   6)
 * search paths, for loadable extensions: AWKLIBPATH Variable. (line   6)
 * search paths:                          Programs Exercises.  (line  70)
@@ -38779,7 +38762,7 @@ Index
 * sed utility:                           Full Line Fields.    (line  22)
 * sed utility <1>:                       Simple Sed.          (line   6)
 * sed utility <2>:                       Glossary.            (line  16)
-* seeding random number generator:       Numeric Functions.   (line  63)
+* seeding random number generator:       Numeric Functions.   (line  64)
 * semicolon (;), separating statements in actions: Statements/Lines.
                                                               (line  98)
 * semicolon (;), separating rules:       Statements/Lines.    (line  98)
@@ -38799,8 +38782,8 @@ Index
 * separators, field, FPAT variable and:  User-modified.       (line  46)
 * separators, field:                     User-modified.       (line  53)
 * separators, field <1>:                 User-modified.       (line 116)
-* separators, for records <2>:           User-modified.       (line 135)
-* separators, subscript:                 User-modified.       (line 148)
+* separators, for records <2>:           User-modified.       (line 136)
+* separators, subscript:                 User-modified.       (line 149)
 * set breakpoint:                        Breakpoint Control.  (line  11)
 * set debugger command:                  Viewing And Changing Data.
                                                               (line  62)
@@ -38824,7 +38807,7 @@ Index
                                                               (line   6)
 * shells, quoting:                       Using Shell Variables.
                                                               (line  12)
-* shift, bitwise:                        Bitwise Functions.   (line  33)
+* shift, bitwise:                        Bitwise Functions.   (line  32)
 * short-circuit operators:               Boolean Ops.         (line  59)
 * show in debugger, function arguments:  Debugger Info.       (line  18)
 * show in debugger, breakpoints:         Debugger Info.       (line  21)
@@ -38847,9 +38830,9 @@ Index
 * side effects, statements:              Action Overview.     (line  32)
 * side effects, array indexing:          Reference to Elements.
                                                               (line  43)
-* side effects, match() function:        String Functions.    (line 241)
-* side effects, sub() function:          String Functions.    (line 484)
-* side effects, gsub() function:         String Functions.    (line 484)
+* side effects, match() function:        String Functions.    (line 242)
+* side effects, sub() function:          String Functions.    (line 486)
+* side effects, gsub() function:         String Functions.    (line 486)
 * side effects, asort() function:        Array Sorting Functions.
                                                               (line  24)
 * side effects, asorti() function:       Array Sorting Functions.
@@ -38861,7 +38844,7 @@ Index
 * sidebar, Backslash Before Regular Characters: Escape Sequences.
                                                               (line 106)
 * sidebar, Escape Sequences for Metacharacters: Escape Sequences.
-                                                              (line 137)
+                                                              (line 138)
 * sidebar, What About The Empty Regexp?: Regexp Operator Details.
                                                               (line 147)
 * sidebar, Using \n in Bracket Expressions of Dynamic Regexps: Computed 
Regexps.
@@ -38882,19 +38865,19 @@ Index
 * sidebar, Pre-POSIX awk Used OFMT for String Conversion: Strings And Numbers.
                                                               (line  54)
 * sidebar, Syntactic Ambiguities Between /= and Regular Expressions: 
Assignment Ops.
-                                                              (line 148)
+                                                              (line 147)
 * sidebar, Operator Evaluation Order:    Increment Ops.       (line  58)
 * sidebar, Changing NR and FNR:          Auto-set.            (line 410)
-* sidebar, Matching the Null String:     String Functions.    (line 565)
+* sidebar, Matching the Null String:     String Functions.    (line 567)
 * sidebar, Interactive Versus Noninteractive Buffering: I/O Functions.
-                                                              (line  73)
+                                                              (line  74)
 * sidebar, Controlling Output Buffering with system(): I/O Functions.
                                                               (line 166)
-* sidebar, Beware The Smoke and Mirrors!: Bitwise Functions.  (line 128)
+* sidebar, Beware The Smoke and Mirrors!: Bitwise Functions.  (line 127)
 * sidebar, So Why Does gawk Have BEGINFILE and ENDFILE?: Filetrans Function.
                                                               (line  83)
 * sidebar, Rounding Modes and Conversion: Setting the rounding mode.
-                                                              (line  66)
+                                                              (line  65)
 * sidebar, A Note About Fuzzers:         Bug definition.      (line  70)
 * SIGHUP signal, for dynamic profiling:  Profiling.           (line 217)
 * SIGINT signal (MS-Windows):            Profiling.           (line 220)
@@ -38907,8 +38890,8 @@ Index
 * SIGUSR1 signal, for dynamic profiling: Profiling.           (line 194)
 * silent debugger command:               Debugger Execution Control.
                                                               (line  10)
-* sin:                                   Numeric Functions.   (line  74)
-* sine:                                  Numeric Functions.   (line  74)
+* sin:                                   Numeric Functions.   (line  75)
+* sine:                                  Numeric Functions.   (line  75)
 * single quote ('):                      One-shot.            (line  15)
 * single quote ('), in gawk command lines: Long.              (line  35)
 * single quote ('), vs. apostrophe:      Comments.            (line  27)
@@ -38926,15 +38909,15 @@ Index
                                                               (line  31)
 * Smith, Gavin:                          Acknowledgments.     (line  75)
 * Solaris, POSIX-compliant awk:          Other Versions.      (line 100)
-* sort array:                            String Functions.    (line  41)
-* sort array indices:                    String Functions.    (line  41)
+* sort array:                            String Functions.    (line  42)
+* sort array indices:                    String Functions.    (line  42)
 * sort function, arrays, sorting:        Array Sorting Functions.
                                                               (line   6)
 * sort utility:                          Word Sorting.        (line  50)
 * sort utility, coprocesses and:         Two-way I/O.         (line  66)
 * sorting characters in different languages: Explaining gettext.
                                                               (line  94)
-* source code, mixing:                   Options.             (line 120)
+* source code, mixing:                   Options.             (line 121)
 * source code, gawk:                     Gawk Distribution.   (line   6)
 * source code, Brian Kernighan's awk:    Other Versions.      (line  13)
 * source code, mawk:                     Other Versions.      (line  39)
@@ -38958,20 +38941,20 @@ Index
 * source files, search path for:         Programs Exercises.  (line  70)
 * sparse arrays:                         Array Intro.         (line  76)
 * Spencer, Henry:                        Glossary.            (line  16)
-* split:                                 String Functions.    (line 331)
-* split string into array:               String Functions.    (line 310)
+* split:                                 String Functions.    (line 332)
+* split string into array:               String Functions.    (line 311)
 * split utility:                         Split Program.       (line   6)
 * split() function, array elements, deleting: Delete.         (line  61)
 * split.awk program:                     Split Program.       (line  51)
 * sprintf:                               OFMT.                (line  15)
-* sprintf <1>:                           String Functions.    (line 405)
+* sprintf <1>:                           String Functions.    (line 407)
 * sprintf() function, print/printf statements and: Round Function.
                                                               (line   6)
-* sqrt:                                  Numeric Functions.   (line  77)
+* sqrt:                                  Numeric Functions.   (line  78)
 * square brackets ([]), regexp operator: Regexp Operator Details.
                                                               (line  52)
-* square root:                           Numeric Functions.   (line  77)
-* srand:                                 Numeric Functions.   (line  81)
+* square root:                           Numeric Functions.   (line  78)
+* srand:                                 Numeric Functions.   (line  82)
 * stack frame (debugger):                Debugging Terms.     (line  10)
 * Stallman, Richard:                     Manual History.      (line   6)
 * Stallman, Richard <1>:                 Acknowledgments.     (line  18)
@@ -38999,8 +38982,8 @@ Index
 * string, constants, vs. regexp constants: Computed Regexps.  (line  40)
 * string, constants:                     Scalar Constants.    (line  15)
 * string, operators:                     Concatenation.       (line   9)
-* string, length:                        String Functions.    (line 184)
-* string, regular expression match of:   String Functions.    (line 224)
+* string, length:                        String Functions.    (line 185)
+* string, regular expression match of:   String Functions.    (line 225)
 * string, extraction (internationalization): String Extraction.
                                                               (line   6)
 * string-manipulation functions:         String Functions.    (line   6)
@@ -39008,30 +38991,30 @@ Index
 * string-translation functions:          I18N Functions.      (line   6)
 * strings, empty:                        awk split records.   (line 108)
 * strings, null:                         Regexp Field Splitting.
-                                                              (line  42)
+                                                              (line  43)
 * strings, length limitations:           Scalar Constants.    (line  20)
 * strings, continuation across lines:    Scalar Constants.    (line  53)
 * strings, converting:                   Strings And Numbers. (line   6)
 * strings, numeric:                      Variable Typing.     (line  67)
 * strings, converting, numbers to:       User-modified.       (line  30)
 * strings, converting, numbers to <1>:   User-modified.       (line 107)
-* strings, splitting, example:           String Functions.    (line 354)
-* strings, converting letter case:       String Functions.    (line 544)
-* strings, converting <1>:               Bitwise Functions.   (line 110)
+* strings, splitting, example:           String Functions.    (line 355)
+* strings, converting letter case:       String Functions.    (line 546)
+* strings, converting <1>:               Bitwise Functions.   (line 109)
 * strings, merging arrays into:          Join Function.       (line   6)
 * strings, for localization:             Programmer i18n.     (line  13)
 * strings, extracting:                   String Extraction.   (line   6)
-* strtonum:                              String Functions.    (line 412)
+* strtonum:                              String Functions.    (line 414)
 * strtonum() function (gawk), --non-decimal-data option and: Nondecimal Data.
                                                               (line  35)
 * STR_CHAIN_MAX environment variable:    Other Environment Variables.
                                                               (line  91)
 * sub:                                   Standard Regexp Constants.
                                                               (line  43)
-* sub <1>:                               String Functions.    (line 430)
-* sub() function, arguments of:          String Functions.    (line 484)
+* sub <1>:                               String Functions.    (line 432)
+* sub() function, arguments of:          String Functions.    (line 486)
 * sub() function, escape processing:     Gory Details.        (line   6)
-* subscript separators:                  User-modified.       (line 148)
+* subscript separators:                  User-modified.       (line 149)
 * subscripts in arrays, numbers as:      Numeric Array Subscripts.
                                                               (line   6)
 * subscripts in arrays, uninitialized variables as: Uninitialized Subscripts.
@@ -39039,20 +39022,20 @@ Index
 * subscripts in arrays, multidimensional: Multidimensional.   (line  10)
 * subscripts in arrays, multidimensional, scanning: Multiscanning.
                                                               (line  11)
-* SUBSEP variable:                       User-modified.       (line 148)
+* SUBSEP variable:                       User-modified.       (line 149)
 * SUBSEP variable, multidimensional arrays and: Multidimensional.
                                                               (line  16)
-* substitute in string:                  String Functions.    (line  98)
-* substr:                                String Functions.    (line 503)
-* substring:                             String Functions.    (line 503)
+* substitute in string:                  String Functions.    (line  99)
+* substr:                                String Functions.    (line 505)
+* substring:                             String Functions.    (line 505)
 * Sumner, Andrew:                        Other Versions.      (line  64)
 * supplementary groups of gawk process:  Auto-set.            (line 295)
 * switch statement:                      Switch Statement.    (line   6)
 * SYMTAB array:                          Auto-set.            (line 355)
 * syntactic ambiguity: /= operator vs. /=.../ regexp constant: Assignment Ops.
-                                                              (line 150)
-* system:                                I/O Functions.       (line 105)
-* systime:                               Time Functions.      (line  67)
+                                                              (line 149)
+* system:                                I/O Functions.       (line 106)
+* systime:                               Time Functions.      (line  68)
 * t debugger command (alias for tbreak): Breakpoint Control.  (line  90)
 * tbreak debugger command:               Breakpoint Control.  (line  90)
 * Tcl:                                   Library Names.       (line  58)
@@ -39062,7 +39045,7 @@ Index
 * tee.awk program:                       Tee Program.         (line  26)
 * temporary breakpoint:                  Breakpoint Control.  (line  90)
 * terminating records:                   awk split records.   (line 118)
-* testbits.awk program:                  Bitwise Functions.   (line  70)
+* testbits.awk program:                  Bitwise Functions.   (line  69)
 * testext extension:                     Extension Sample API Tests.
                                                               (line   6)
 * Texinfo:                               Conventions.         (line   6)
@@ -39078,7 +39061,7 @@ Index
 * Texinfo <5>:                           Adding Code.         (line 113)
 * text, printing:                        Print.               (line  22)
 * text, printing, unduplicated lines of: Uniq Program.        (line   6)
-* TEXTDOMAIN variable:                   User-modified.       (line 154)
+* TEXTDOMAIN variable:                   User-modified.       (line 155)
 * TEXTDOMAIN variable <1>:               Programmer i18n.     (line   8)
 * TEXTDOMAIN variable, BEGIN pattern and: Programmer i18n.    (line  60)
 * TEXTDOMAIN variable, portability and:  I18N Portability.    (line  20)
@@ -39092,7 +39075,7 @@ Index
 * tilde (~), ~ operator <4>:             Comparison Operators.
                                                               (line  11)
 * tilde (~), ~ operator <5>:             Comparison Operators.
-                                                              (line  99)
+                                                              (line  98)
 * tilde (~), ~ operator <6>:             Precedence.          (line  79)
 * tilde (~), ~ operator <7>:             Expression Patterns. (line  24)
 * time, retrieving:                      Time Functions.      (line  17)
@@ -39103,23 +39086,23 @@ Index
 * time functions:                        Time Functions.      (line   6)
 * timeout, reading input:                Read Timeout.        (line   6)
 * timestamps:                            Time Functions.      (line   6)
-* timestamps <1>:                        Time Functions.      (line  67)
-* timestamps, converting dates to:       Time Functions.      (line  77)
+* timestamps <1>:                        Time Functions.      (line  68)
+* timestamps, converting dates to:       Time Functions.      (line  78)
 * timestamps, formatted:                 Getlocaltime Function.
                                                               (line   6)
-* tolower:                               String Functions.    (line 545)
-* toupper:                               String Functions.    (line 551)
+* tolower:                               String Functions.    (line 547)
+* toupper:                               String Functions.    (line 553)
 * tr utility:                            Translate Program.   (line   6)
 * trace debugger command:                Miscellaneous Debugger Commands.
                                                               (line 108)
-* trace, internal instructions:          Options.             (line 197)
+* trace, internal instructions:          Options.             (line 198)
 * traceback, display in debugger:        Execution Stack.     (line  13)
 * translate string:                      I18N Functions.      (line  21)
 * translate.awk program:                 Translate Program.   (line  55)
 * treating files, as single records:     gawk split records.  (line 104)
 * troubleshooting, typographical errors, global variables: Options.
-                                                              (line 102)
-* troubleshooting, --non-decimal-data option: Options.        (line 255)
+                                                              (line 103)
+* troubleshooting, --non-decimal-data option: Options.        (line 256)
 * troubleshooting, backslash before nonspecial character: Escape Sequences.
                                                               (line 108)
 * troubleshooting, regexp constants vs. string constants: Computed Regexps.
@@ -39136,15 +39119,15 @@ Index
 * troubleshooting, division:             Arithmetic Ops.      (line  44)
 * troubleshooting, string concatenation: Concatenation.       (line  27)
 * troubleshooting, == operator:          Comparison Operators.
-                                                              (line  38)
+                                                              (line  37)
 * troubleshooting, function call syntax: Function Calls.      (line  30)
 * troubleshooting, gawk, fatal errors, function arguments: Calling Built-in.
                                                               (line  16)
-* troubleshooting, match() function:     String Functions.    (line 305)
-* troubleshooting, gsub()/sub() functions: String Functions.  (line 494)
-* troubleshooting, substr() function:    String Functions.    (line 521)
-* troubleshooting, fflush() function:    I/O Functions.       (line  62)
-* troubleshooting, system() function:    I/O Functions.       (line 127)
+* troubleshooting, match() function:     String Functions.    (line 306)
+* troubleshooting, gsub()/sub() functions: String Functions.  (line 496)
+* troubleshooting, substr() function:    String Functions.    (line 523)
+* troubleshooting, fflush() function:    I/O Functions.       (line  63)
+* troubleshooting, system() function:    I/O Functions.       (line 128)
 * troubleshooting, readable data files:  File Checking.       (line   6)
 * troubleshooting, getline command:      File Checking.       (line  25)
 * troubleshooting, gawk, bug reports:    Bugs.                (line   9)
@@ -39182,7 +39165,7 @@ Index
 * Unix, awk scripts and:                 Executable Scripts.  (line   6)
 * Unix:                                  Glossary.            (line 747)
 * Unix awk, backslashes in escape sequences: Escape Sequences.
-                                                              (line 120)
+                                                              (line 121)
 * Unix awk, password files, field separators and: Command Line Field Separator.
                                                               (line  62)
 * Unix awk, close() function and:        Close Files And Pipes.
@@ -39196,7 +39179,7 @@ Index
 * uppercase names, namespace for:        Default Namespace.   (line  10)
 * user database, reading:                Passwd Functions.    (line   6)
 * user-defined, variables:               Variables.           (line   6)
-* user-defined, function, bits2str():    Bitwise Functions.   (line  70)
+* user-defined, function, bits2str():    Bitwise Functions.   (line  69)
 * user-defined, functions:               User-defined.        (line   6)
 * user-defined, function, rev():         Function Example.    (line  54)
 * user-defined, function, ctime():       Function Example.    (line  74)
@@ -39219,17 +39202,17 @@ Index
 * user-defined, function, getopt() <1>:  Getopt Function.     (line 144)
 * user-defined, function, getpwent():    Passwd Functions.    (line  16)
 * user-defined, function, _pw_init():    Passwd Functions.    (line 105)
-* user-defined, function, getpwnam():    Passwd Functions.    (line 179)
-* user-defined, function, getpwuid():    Passwd Functions.    (line 189)
-* user-defined, function, getpwent() <1>: Passwd Functions.   (line 199)
-* user-defined, function, endpwent():    Passwd Functions.    (line 210)
+* user-defined, function, getpwnam():    Passwd Functions.    (line 180)
+* user-defined, function, getpwuid():    Passwd Functions.    (line 190)
+* user-defined, function, getpwent() <1>: Passwd Functions.   (line 200)
+* user-defined, function, endpwent():    Passwd Functions.    (line 211)
 * user-defined, function, getgrent():    Group Functions.     (line   6)
 * user-defined, function, _gr_init():    Group Functions.     (line  83)
-* user-defined, function, getgrnam():    Group Functions.     (line 176)
-* user-defined, function, getgrgid():    Group Functions.     (line 185)
-* user-defined, function, getgruser():   Group Functions.     (line 194)
-* user-defined, function, getgrent() <1>: Group Functions.    (line 203)
-* user-defined, function, endgrent():    Group Functions.     (line 214)
+* user-defined, function, getgrnam():    Group Functions.     (line 178)
+* user-defined, function, getgrgid():    Group Functions.     (line 187)
+* user-defined, function, getgruser():   Group Functions.     (line 196)
+* user-defined, function, getgrent() <1>: Group Functions.    (line 205)
+* user-defined, function, endgrent():    Group Functions.     (line 216)
 * user-defined, function, walk_array():  Walking Arrays.      (line  14)
 * user-defined, functions, counts, in a profile: Profiling.   (line 137)
 * user-modifiable variables:             User-modified.       (line   6)
@@ -39244,8 +39227,8 @@ Index
 * variable type, typeof() function (gawk): Type Functions.    (line  14)
 * variables:                             Other Features.      (line   6)
 * variables, setting:                    Options.             (line  36)
-* variables, predefined, -v option, setting with: Options.    (line  44)
-* variables, global, printing list of:   Options.             (line  97)
+* variables, predefined, -v option, setting with: Options.    (line  45)
+* variables, global, printing list of:   Options.             (line  98)
 * variables, getline command into, using: Getline/Variable.   (line   6)
 * variables, getline command into, using <1>: Getline/Variable/File.
                                                               (line   6)
@@ -39295,7 +39278,7 @@ Index
 * Wall, Larry:                           Array Intro.         (line   6)
 * Wall, Larry <1>:                       Future Extensions.   (line   6)
 * Wallin, Anders:                        Contributors.        (line 106)
-* warnings, issuing:                     Options.             (line 215)
+* warnings, issuing:                     Options.             (line 216)
 * watch debugger command:                Viewing And Changing Data.
                                                               (line  70)
 * watchpoint (debugger):                 Debugging Terms.     (line  42)
@@ -39308,7 +39291,7 @@ Index
                                                               (line  13)
 * while statement, use of regexps in:    Regexp Usage.        (line  19)
 * while statement:                       While Statement.     (line   6)
-* whitespace, newlines as:               Options.             (line 308)
+* whitespace, newlines as:               Options.             (line 309)
 * whitespace, definition of:             Fields.              (line   6)
 * whitespace, as field separators:       Default Field Splitting.
                                                               (line   6)
@@ -39317,11 +39300,11 @@ Index
 * Woehlke, Matthew:                      Contributors.        (line  82)
 * Woods, John:                           Contributors.        (line  28)
 * word boundaries, matching:             GNU Regexp Operators.
-                                                              (line  38)
+                                                              (line  41)
 * word, regexp definition of:            GNU Regexp Operators.
                                                               (line   6)
 * word-boundary operator (gawk):         GNU Regexp Operators.
-                                                              (line  65)
+                                                              (line  68)
 * wordfreq.awk program:                  Word Sorting.        (line  56)
 * words, counting:                       Wc Program.          (line   6)
 * words, duplicate, searching for:       Dupword Program.     (line   6)
@@ -39331,7 +39314,7 @@ Index
 * writeall() extension function:         Extension Sample Read write array.
                                                               (line  24)
 * xgettext utility:                      String Extraction.   (line  13)
-* xor:                                   Bitwise Functions.   (line  58)
+* xor:                                   Bitwise Functions.   (line  57)
 * XOR bitwise operation:                 Bitwise Functions.   (line   6)
 * Yawitz, Efraim:                        Contributors.        (line 134)
 * Zaretskii, Eli:                        Acknowledgments.     (line  60)
@@ -39411,553 +39394,553 @@ Node: Interval Expressions183762
 Ref: Interval Expressions-Footnote-1185937
 Node: Bracket Expressions186035
 Ref: table-char-classes188511
-Node: Leftmost Longest191838
-Node: Computed Regexps193141
-Node: GNU Regexp Operators196568
-Node: Case-sensitivity200364
-Ref: Case-sensitivity-Footnote-1203230
-Ref: Case-sensitivity-Footnote-2203465
-Node: Regexp Summary203573
-Node: Reading Files205039
-Node: Records207308
-Node: awk split records208383
-Node: gawk split records213083
-Ref: gawk split records-Footnote-1218157
-Node: Fields218194
-Node: Nonconstant Fields220935
-Ref: Nonconstant Fields-Footnote-1223171
-Node: Changing Fields223375
-Node: Field Separators229406
-Node: Default Field Splitting232161
-Node: Regexp Field Splitting233279
-Node: Single Character Fields236956
-Node: Comma Separated Fields238010
-Ref: table-csv-examples239274
-Node: Command Line Field Separator240170
-Node: Full Line Fields243387
-Ref: Full Line Fields-Footnote-1244909
-Ref: Full Line Fields-Footnote-2244955
-Node: Field Splitting Summary245056
-Node: Constant Size247236
-Node: Fixed width data247968
-Node: Skipping intervening251435
-Node: Allowing trailing data252233
-Node: Fields with fixed data253270
-Node: Splitting By Content254788
-Ref: Splitting By Content-Footnote-1258862
-Node: More CSV259025
-Node: FS versus FPAT260640
-Node: Testing field creation261800
-Node: Multiple Line263425
-Node: Getline269702
-Node: Plain Getline272171
-Node: Getline/Variable274744
-Node: Getline/File275895
-Node: Getline/Variable/File277283
-Ref: Getline/Variable/File-Footnote-1278888
-Node: Getline/Pipe278976
-Node: Getline/Variable/Pipe281680
-Node: Getline/Coprocess282815
-Node: Getline/Variable/Coprocess284082
-Node: Getline Notes284824
-Node: Getline Summary287621
-Ref: table-getline-variants288045
-Node: Read Timeout288794
-Ref: Read Timeout-Footnote-1292710
-Node: Retrying Input292768
-Node: Command-line directories293967
-Node: Input Summary294873
-Node: Input Exercises298045
-Node: Printing298479
-Node: Print300313
-Node: Print Examples301770
-Node: Output Separators304550
-Node: OFMT306567
-Node: Printf307923
-Node: Basic Printf308708
-Node: Control Letters310282
-Node: Format Modifiers315444
-Node: Printf Examples321459
-Node: Redirection323945
-Node: Special FD330786
-Ref: Special FD-Footnote-1333954
-Node: Special Files334028
-Node: Other Inherited Files334645
-Node: Special Network335646
-Node: Special Caveats336506
-Node: Close Files And Pipes337455
-Ref: table-close-pipe-return-values344362
-Ref: Close Files And Pipes-Footnote-1345176
-Ref: Close Files And Pipes-Footnote-2345324
-Node: Nonfatal345476
-Node: Output Summary347814
-Node: Output Exercises349036
-Node: Expressions349715
-Node: Values350903
-Node: Constants351581
-Node: Scalar Constants352272
-Ref: Scalar Constants-Footnote-1354782
-Node: Nondecimal-numbers355032
-Node: Regexp Constants358033
-Node: Using Constant Regexps358559
-Node: Standard Regexp Constants359181
-Node: Strong Regexp Constants362369
-Node: Variables366084
-Node: Using Variables366741
-Node: Assignment Options368651
-Node: Conversion371122
-Node: Strings And Numbers371646
-Ref: Strings And Numbers-Footnote-1374709
-Node: Locale influences conversions374818
-Ref: table-locale-affects377576
-Node: All Operators378195
-Node: Arithmetic Ops378824
-Node: Concatenation381540
-Ref: Concatenation-Footnote-1384387
-Node: Assignment Ops384494
-Ref: table-assign-ops389485
-Node: Increment Ops390799
-Node: Truth Values and Conditions394259
-Node: Truth Values395333
-Node: Typing and Comparison396381
-Node: Variable Typing397201
-Ref: Variable Typing-Footnote-1403664
-Ref: Variable Typing-Footnote-2403736
-Node: Comparison Operators403813
-Ref: table-relational-ops404232
-Node: POSIX String Comparison407728
-Ref: POSIX String Comparison-Footnote-1409423
-Ref: POSIX String Comparison-Footnote-2409562
-Node: Boolean Ops409646
-Ref: Boolean Ops-Footnote-1414128
-Node: Conditional Exp414220
-Node: Function Calls415956
-Node: Precedence419833
-Node: Locales423492
-Node: Expressions Summary425124
-Node: Patterns and Actions427697
-Node: Pattern Overview428817
-Node: Regexp Patterns430494
-Node: Expression Patterns431036
-Node: Ranges434817
-Node: BEGIN/END437925
-Node: Using BEGIN/END438686
-Ref: Using BEGIN/END-Footnote-1441440
-Node: I/O And BEGIN/END441546
-Node: BEGINFILE/ENDFILE443859
-Node: Empty447090
-Node: Using Shell Variables447407
-Node: Action Overview449681
-Node: Statements452006
-Node: If Statement453854
-Node: While Statement455349
-Node: Do Statement457377
-Node: For Statement458525
-Node: Switch Statement461780
-Node: Break Statement464221
-Node: Continue Statement466313
-Node: Next Statement468140
-Node: Nextfile Statement470523
-Node: Exit Statement473212
-Node: Built-in Variables475615
-Node: User-modified476748
-Node: Auto-set484515
-Ref: Auto-set-Footnote-1501515
-Ref: Auto-set-Footnote-2501721
-Node: ARGC and ARGV501777
-Node: Pattern Action Summary505990
-Node: Arrays508420
-Node: Array Basics509749
-Node: Array Intro510593
-Ref: figure-array-elements512568
-Ref: Array Intro-Footnote-1515273
-Node: Reference to Elements515401
-Node: Assigning Elements517865
-Node: Array Example518356
-Node: Scanning an Array520310
-Node: Controlling Scanning523332
-Ref: Controlling Scanning-Footnote-1529788
-Node: Numeric Array Subscripts530104
-Node: Uninitialized Subscripts532288
-Node: Delete533907
-Ref: Delete-Footnote-1536659
-Node: Multidimensional536716
-Node: Multiscanning539811
-Node: Arrays of Arrays541402
-Node: Arrays Summary546170
-Node: Functions548263
-Node: Built-in549301
-Node: Calling Built-in550454
-Node: Boolean Functions552450
-Node: Numeric Functions553004
-Ref: Numeric Functions-Footnote-1557031
-Ref: Numeric Functions-Footnote-2557679
-Ref: Numeric Functions-Footnote-3557727
-Node: String Functions557999
-Ref: String Functions-Footnote-1583139
-Ref: String Functions-Footnote-2583267
-Ref: String Functions-Footnote-3583515
-Node: Gory Details583602
-Ref: table-sub-escapes585393
-Ref: table-sub-proposed586913
-Ref: table-posix-sub588277
-Ref: table-gensub-escapes589819
-Ref: Gory Details-Footnote-1590643
-Node: I/O Functions590797
-Ref: table-system-return-values597251
-Ref: I/O Functions-Footnote-1599332
-Ref: I/O Functions-Footnote-2599480
-Node: Time Functions599600
-Ref: Time Functions-Footnote-1610271
-Ref: Time Functions-Footnote-2610339
-Ref: Time Functions-Footnote-3610497
-Ref: Time Functions-Footnote-4610608
-Ref: Time Functions-Footnote-5610720
-Ref: Time Functions-Footnote-6610947
-Node: Bitwise Functions611213
-Ref: table-bitwise-ops611807
-Ref: Bitwise Functions-Footnote-1617871
-Ref: Bitwise Functions-Footnote-2618044
-Node: Type Functions618235
-Node: I18N Functions621756
-Node: User-defined623407
-Node: Definition Syntax624219
-Ref: Definition Syntax-Footnote-1629913
-Node: Function Example629984
-Ref: Function Example-Footnote-1632906
-Node: Function Calling632928
-Node: Calling A Function633516
-Node: Variable Scope634474
-Node: Pass By Value/Reference637468
-Node: Function Caveats640112
-Ref: Function Caveats-Footnote-1642159
-Node: Return Statement642279
-Node: Dynamic Typing645258
-Node: Indirect Calls646188
-Node: Functions Summary657115
-Node: Library Functions659820
-Ref: Library Functions-Footnote-1663304
-Ref: Library Functions-Footnote-2663447
-Node: Library Names663618
-Ref: Library Names-Footnote-1667285
-Ref: Library Names-Footnote-2667508
-Node: General Functions667594
-Node: Strtonum Function668776
-Node: Assert Function671798
-Node: Round Function675124
-Node: Cliff Random Function676664
-Node: Ordinal Functions677680
-Ref: Ordinal Functions-Footnote-1680743
-Ref: Ordinal Functions-Footnote-2680995
-Node: Join Function681205
-Ref: Join Function-Footnote-1682975
-Node: Getlocaltime Function683175
-Node: Readfile Function686917
-Node: Shell Quoting688894
-Node: Isnumeric Function690322
-Node: Data File Management691710
-Node: Filetrans Function692342
-Node: Rewind Function696438
-Node: File Checking698347
-Ref: File Checking-Footnote-1699681
-Node: Empty Files699882
-Node: Ignoring Assigns701861
-Node: Getopt Function703411
-Ref: Getopt Function-Footnote-1718708
-Node: Passwd Functions718908
-Ref: Passwd Functions-Footnote-1727747
-Node: Group Functions727835
-Ref: Group Functions-Footnote-1735733
-Node: Walking Arrays735940
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+Node: POSIX Floating Point Problems1034020
+Ref: POSIX Floating Point Problems-Footnote-11038673
+Node: Floating point summary1038711
+Node: Dynamic Extensions1040901
+Node: Extension Intro1042454
+Node: Plugin License1043720
+Node: Extension Mechanism Outline1044517
+Ref: figure-load-extension1044956
+Ref: figure-register-new-function1046521
+Ref: figure-call-new-function1047613
+Node: Extension API Description1049675
+Node: Extension API Functions Introduction1051388
+Ref: table-api-std-headers1053224
+Node: General Data Types1057473
+Ref: General Data Types-Footnote-11066179
+Node: Memory Allocation Functions1066478
+Ref: Memory Allocation Functions-Footnote-11070979
+Node: Constructor Functions1071078
+Node: API Ownership of MPFR and GMP Values1074731
+Node: Registration Functions1076264
+Node: Extension Functions1076964
+Node: Exit Callback Functions1082286
+Node: Extension Version String1083536
+Node: Input Parsers1084199
+Node: Output Wrappers1096920
+Node: Two-way processors1101432
+Node: Printing Messages1103697
+Ref: Printing Messages-Footnote-11104868
+Node: Updating ERRNO1105021
+Node: Requesting Values1105760
+Ref: table-value-types-returned1106497
+Node: Accessing Parameters1107605
+Node: Symbol Table Access1108842
+Node: Symbol table by name1109354
+Ref: Symbol table by name-Footnote-11112379
+Node: Symbol table by cookie1112507
+Ref: Symbol table by cookie-Footnote-11116692
+Node: Cached values1116756
+Ref: Cached values-Footnote-11120292
+Node: Array Manipulation1120445
+Ref: Array Manipulation-Footnote-11121536
+Node: Array Data Types1121573
+Ref: Array Data Types-Footnote-11124231
+Node: Array Functions1124323
+Node: Flattening Arrays1129108
+Node: Creating Arrays1136084
+Node: Redirection API1140851
+Node: Extension API Variables1143684
+Node: Extension Versioning1144395
+Ref: gawk-api-version1144824
+Node: Extension GMP/MPFR Versioning1146555
+Node: Extension API Informational Variables1148183
+Node: Extension API Boilerplate1149256
+Node: Changes from API V11153230
+Node: Finding Extensions1154802
+Node: Extension Example1155361
+Node: Internal File Description1156159
+Node: Internal File Ops1160239
+Ref: Internal File Ops-Footnote-11171589
+Node: Using Internal File Ops1171729
+Ref: Using Internal File Ops-Footnote-11174112
+Node: Extension Samples1174386
+Node: Extension Sample File Functions1175915
+Node: Extension Sample Fnmatch1183564
+Node: Extension Sample Fork1185051
+Node: Extension Sample Inplace1186269
+Node: Extension Sample Ord1189895
+Node: Extension Sample Readdir1190731
+Ref: table-readdir-file-types1191620
+Node: Extension Sample Revout1192687
+Node: Extension Sample Rev2way1193276
+Node: Extension Sample Read write array1194016
+Node: Extension Sample Readfile1197202
+Node: Extension Sample Time1198297
+Node: Extension Sample API Tests1200049
+Node: gawkextlib1200541
+Node: Extension summary1203459
+Node: Extension Exercises1207161
+Node: Language History1208403
+Node: V7/SVR3.11210059
+Node: SVR41212211
+Node: POSIX1213645
+Node: BTL1215026
+Node: POSIX/GNU1215755
+Node: Feature History1221672
+Node: Common Extensions1239793
+Node: Ranges and Locales1241076
+Ref: Ranges and Locales-Footnote-11245692
+Ref: Ranges and Locales-Footnote-21245719
+Ref: Ranges and Locales-Footnote-31245954
+Node: Contributors1246177
+Node: History summary1252174
+Node: Installation1253554
+Node: Gawk Distribution1254498
+Node: Getting1254982
+Node: Extracting1255945
+Node: Distribution contents1257583
+Node: Unix Installation1265081
+Node: Quick Installation1265885
+Node: Compiling with MPFR1268305
+Node: Shell Startup Files1268995
+Node: Additional Configuration Options1270084
+Node: Configuration Philosophy1272399
+Node: Compiling from Git1274795
+Node: Building the Documentation1275350
+Node: Non-Unix Installation1276734
+Node: PC Installation1277198
+Node: PC Binary Installation1278043
+Node: PC Compiling1278916
+Node: PC Using1280022
+Node: Cygwin1283518
+Node: MSYS1284742
+Node: OpenVMS Installation1285344
+Node: OpenVMS Compilation1286005
+Ref: OpenVMS Compilation-Footnote-11287428
+Node: OpenVMS Dynamic Extensions1287486
+Node: OpenVMS Installation Details1289098
+Node: OpenVMS Running1291393
+Node: OpenVMS GNV1295394
+Node: Bugs1296137
+Node: Bug definition1297049
+Node: Bug address1300551
+Node: Usenet1304070
+Node: Performance bugs1305259
+Node: Asking for help1308180
+Node: Maintainers1310147
+Node: Other Versions1311154
+Node: Installation summary1319733
+Node: Notes1321073
+Node: Compatibility Mode1321867
+Node: Additions1322649
+Node: Accessing The Source1323574
+Node: Adding Code1325011
+Node: New Ports1331826
+Node: Derived Files1336201
+Ref: Derived Files-Footnote-11341860
+Ref: Derived Files-Footnote-21341895
+Ref: Derived Files-Footnote-31342490
+Node: Future Extensions1342604
+Node: Implementation Limitations1343262
+Node: Extension Design1344472
+Node: Old Extension Problems1345616
+Ref: Old Extension Problems-Footnote-11347134
+Node: Extension New Mechanism Goals1347191
+Ref: Extension New Mechanism Goals-Footnote-11350555
+Node: Extension Other Design Decisions1350744
+Node: Extension Future Growth1352857
+Node: Notes summary1353463
+Node: Basic Concepts1354621
+Node: Basic High Level1355302
+Ref: figure-general-flow1355584
+Ref: figure-process-flow1356269
+Ref: Basic High Level-Footnote-11359570
+Node: Basic Data Typing1359755
+Node: Glossary1363083
+Node: Copying1394970
+Node: GNU Free Documentation License1432513
+Node: Index1457633
 
 End Tag Table
 
diff --git a/doc/gawk.texi b/doc/gawk.texi
index 4dba3da3..db524abc 100644
--- a/doc/gawk.texi
+++ b/doc/gawk.texi
@@ -42162,6 +42162,11 @@ Comma separated value (CSV) field splitting
 The @code{"mb_cur_max"} and @code{"utf8"} elements in the
 @code{PROCINFO} array (@pxref{Auto-set}).
 
+@item
+The need for GNU @code{libsigsegv} was removed from @command{gawk}.
+The value-add was never very much and it caused problems in some
+environments.
+
 @end itemize
 
 @c XXX ADD MORE STUFF HERE
diff --git a/doc/gawktexi.in b/doc/gawktexi.in
index bf51690f..45489d2f 100644
--- a/doc/gawktexi.in
+++ b/doc/gawktexi.in
@@ -41005,6 +41005,11 @@ Comma separated value (CSV) field splitting
 The @code{"mb_cur_max"} and @code{"utf8"} elements in the
 @code{PROCINFO} array (@pxref{Auto-set}).
 
+@item
+The need for GNU @code{libsigsegv} was removed from @command{gawk}.
+The value-add was never very much and it caused problems in some
+environments.
+
 @end itemize
 
 @c XXX ADD MORE STUFF HERE
diff --git a/extras/Makefile.in b/extras/Makefile.in
index 9686adce..74404d75 100644
--- a/extras/Makefile.in
+++ b/extras/Makefile.in
@@ -1,4 +1,4 @@
-# Makefile.in generated by automake 1.16.5 from Makefile.am.
+# Makefile.in generated by automake 1.16.4 from Makefile.am.
 # @configure_input@
 
 # Copyright (C) 1994-2021 Free Software Foundation, Inc.
@@ -120,11 +120,11 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/arch.m4 \
        $(top_srcdir)/m4/iconv.m4 $(top_srcdir)/m4/intlmacosx.m4 \
        $(top_srcdir)/m4/lcmessage.m4 $(top_srcdir)/m4/lib-ld.m4 \
        $(top_srcdir)/m4/lib-link.m4 $(top_srcdir)/m4/lib-prefix.m4 \
-       $(top_srcdir)/m4/libsigsegv.m4 $(top_srcdir)/m4/longlong.m4 \
-       $(top_srcdir)/m4/mpfr.m4 $(top_srcdir)/m4/nls.m4 \
-       $(top_srcdir)/m4/noreturn.m4 $(top_srcdir)/m4/pma.m4 \
-       $(top_srcdir)/m4/po.m4 $(top_srcdir)/m4/progtest.m4 \
-       $(top_srcdir)/m4/readline.m4 $(top_srcdir)/m4/socket.m4 \
+       $(top_srcdir)/m4/longlong.m4 $(top_srcdir)/m4/mpfr.m4 \
+       $(top_srcdir)/m4/nls.m4 $(top_srcdir)/m4/noreturn.m4 \
+       $(top_srcdir)/m4/pma.m4 $(top_srcdir)/m4/po.m4 \
+       $(top_srcdir)/m4/progtest.m4 $(top_srcdir)/m4/readline.m4 \
+       $(top_srcdir)/m4/socket.m4 \
        $(top_srcdir)/m4/triplet-transformation.m4 \
        $(top_srcdir)/m4/ulonglong.m4 $(top_srcdir)/configure.ac
 am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
@@ -214,7 +214,6 @@ GETTEXT_MACRO_VERSION = @GETTEXT_MACRO_VERSION@
 GMSGFMT = @GMSGFMT@
 GMSGFMT_015 = @GMSGFMT_015@
 GREP = @GREP@
-HAVE_LIBSIGSEGV = @HAVE_LIBSIGSEGV@
 INSTALL = @INSTALL@
 INSTALL_DATA = @INSTALL_DATA@
 INSTALL_PROGRAM = @INSTALL_PROGRAM@
@@ -229,13 +228,10 @@ LIBMPFR = @LIBMPFR@
 LIBOBJS = @LIBOBJS@
 LIBREADLINE = @LIBREADLINE@
 LIBS = @LIBS@
-LIBSIGSEGV = @LIBSIGSEGV@
-LIBSIGSEGV_PREFIX = @LIBSIGSEGV_PREFIX@
 LN_S = @LN_S@
 LTLIBICONV = @LTLIBICONV@
 LTLIBINTL = @LTLIBINTL@
 LTLIBOBJS = @LTLIBOBJS@
-LTLIBSIGSEGV = @LTLIBSIGSEGV@
 MAKEINFO = @MAKEINFO@
 MKDIR_P = @MKDIR_P@
 MSGFMT = @MSGFMT@
diff --git a/m4/ChangeLog b/m4/ChangeLog
index fb13cf09..1292cfd0 100644
--- a/m4/ChangeLog
+++ b/m4/ChangeLog
@@ -1,3 +1,7 @@
+2022-12-01         Arnold D. Robbins     <arnold@skeeve.com>
+
+       * libsigsegv.m4: Removed.
+
 2022-11-27         Arnold D. Robbins     <arnold@skeeve.com>
 
        * pma.m4: Don't build an x86 binary on non-x86 macOS systems.
diff --git a/m4/libsigsegv.m4 b/m4/libsigsegv.m4
deleted file mode 100644
index 9d255d3b..00000000
--- a/m4/libsigsegv.m4
+++ /dev/null
@@ -1,16 +0,0 @@
-# libsigsegv.m4 serial 4
-dnl Copyright (C) 2002-2003, 2008-2010 Free Software Foundation, Inc.
-dnl This file is free software; the Free Software Foundation
-dnl gives unlimited permission to copy and/or distribute it,
-dnl with or without modifications, as long as this notice is preserved.
-
-dnl From Bruno Haible, Sam Steingold.
-
-AC_DEFUN([gl_LIBSIGSEGV],
-[
-  AC_LIB_HAVE_LINKFLAGS([sigsegv], [],
-    [#include <sigsegv.h>], [sigsegv_deinstall_handler();],
-    [no, consider installing GNU libsigsegv])
-  dnl Some other autoconf macros and clisp's configure use this variable.
-  gl_cv_lib_sigsegv="$ac_cv_libsigsegv"
-])
diff --git a/main.c b/main.c
index 78a6b708..7669daf4 100644
--- a/main.c
+++ b/main.c
@@ -34,16 +34,6 @@
 #include <mcheck.h>
 #endif
 
-#ifdef HAVE_LIBSIGSEGV
-#include <sigsegv.h>
-#else
-typedef void *stackoverflow_context_t;
-/* the argument to this macro is purposely not used */
-#define sigsegv_install_handler(catchsegv) signal(SIGSEGV, catchsig)
-/* define as 0 rather than empty so that (void) cast on it works */
-#define stackoverflow_install_handler(catchstackoverflow, extra_stack, 
STACK_SIZE) 0
-#endif
-
 #define DEFAULT_PROFILE                "awkprof.out"   /* where to put profile 
*/
 #define DEFAULT_VARFILE                "awkvars.out"   /* where to put vars */
 #define DEFAULT_PREC           53
@@ -60,10 +50,6 @@ static void init_vars(void);
 static NODE *load_environ(void);
 static NODE *load_procinfo(void);
 static void catchsig(int sig);
-#ifdef HAVE_LIBSIGSEGV
-static int catchsegv(void *fault_address, int serious);
-static void catchstackoverflow(int emergency, stackoverflow_context_t scp);
-#endif
 static void nostalgia(void) ATTRIBUTE_NORETURN;
 static void version(void) ATTRIBUTE_NORETURN;
 static void init_fds(void);
@@ -285,6 +271,7 @@ main(int argc, char **argv)
 #endif
        set_locale_stuff();
 
+       (void) signal(SIGSEGV, catchsig);
        (void) signal(SIGFPE, catchsig);
 #ifdef SIGBUS
        (void) signal(SIGBUS, catchsig);
@@ -305,12 +292,6 @@ main(int argc, char **argv)
         */
        ignore_sigpipe();
 
-       (void) sigsegv_install_handler(catchsegv);
-#define STACK_SIZE (16*1024)
-       emalloc(extra_stack, char *, STACK_SIZE, "main");
-       (void) stackoverflow_install_handler(catchstackoverflow, extra_stack, 
STACK_SIZE);
-#undef STACK_SIZE
-
        /* initialize the null string */
        Nnull_string = make_string("", 0);
 
@@ -1329,37 +1310,6 @@ catchsig(int sig)
        /* NOTREACHED */
 }
 
-#ifdef HAVE_LIBSIGSEGV
-/* catchsegv --- for use with libsigsegv */
-
-static int
-catchsegv(void *fault_address, int serious)
-{
-       if (errcount > 0)       // assume a syntax error corrupted our data 
structures
-               exit(EXIT_FATAL);
-
-       set_loc(__FILE__, __LINE__);
-       msg(_("fatal error: internal error: segfault"));
-       fflush(NULL);
-       abort();
-       /*NOTREACHED*/
-       return 0;
-}
-
-/* catchstackoverflow --- for use with libsigsegv */
-
-static void
-catchstackoverflow(int emergency, stackoverflow_context_t scp)
-{
-       set_loc(__FILE__, __LINE__);
-       msg(_("fatal error: internal error: stack overflow"));
-       fflush(NULL);
-       abort();
-       /*NOTREACHED*/
-       return;
-}
-#endif /* HAVE_LIBSIGSEGV */
-
 /* nostalgia --- print the famous error message and die */
 
 static void
diff --git a/support/Makefile.in b/support/Makefile.in
index 1f5b209f..db5f6a22 100644
--- a/support/Makefile.in
+++ b/support/Makefile.in
@@ -1,4 +1,4 @@
-# Makefile.in generated by automake 1.16.5 from Makefile.am.
+# Makefile.in generated by automake 1.16.4 from Makefile.am.
 # @configure_input@
 
 # Copyright (C) 1994-2021 Free Software Foundation, Inc.
@@ -124,11 +124,11 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/arch.m4 \
        $(top_srcdir)/m4/iconv.m4 $(top_srcdir)/m4/intlmacosx.m4 \
        $(top_srcdir)/m4/lcmessage.m4 $(top_srcdir)/m4/lib-ld.m4 \
        $(top_srcdir)/m4/lib-link.m4 $(top_srcdir)/m4/lib-prefix.m4 \
-       $(top_srcdir)/m4/libsigsegv.m4 $(top_srcdir)/m4/longlong.m4 \
-       $(top_srcdir)/m4/mpfr.m4 $(top_srcdir)/m4/nls.m4 \
-       $(top_srcdir)/m4/noreturn.m4 $(top_srcdir)/m4/pma.m4 \
-       $(top_srcdir)/m4/po.m4 $(top_srcdir)/m4/progtest.m4 \
-       $(top_srcdir)/m4/readline.m4 $(top_srcdir)/m4/socket.m4 \
+       $(top_srcdir)/m4/longlong.m4 $(top_srcdir)/m4/mpfr.m4 \
+       $(top_srcdir)/m4/nls.m4 $(top_srcdir)/m4/noreturn.m4 \
+       $(top_srcdir)/m4/pma.m4 $(top_srcdir)/m4/po.m4 \
+       $(top_srcdir)/m4/progtest.m4 $(top_srcdir)/m4/readline.m4 \
+       $(top_srcdir)/m4/socket.m4 \
        $(top_srcdir)/m4/triplet-transformation.m4 \
        $(top_srcdir)/m4/ulonglong.m4 $(top_srcdir)/configure.ac
 am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
@@ -256,7 +256,6 @@ GETTEXT_MACRO_VERSION = @GETTEXT_MACRO_VERSION@
 GMSGFMT = @GMSGFMT@
 GMSGFMT_015 = @GMSGFMT_015@
 GREP = @GREP@
-HAVE_LIBSIGSEGV = @HAVE_LIBSIGSEGV@
 INSTALL = @INSTALL@
 INSTALL_DATA = @INSTALL_DATA@
 INSTALL_PROGRAM = @INSTALL_PROGRAM@
@@ -271,13 +270,10 @@ LIBMPFR = @LIBMPFR@
 LIBOBJS = @LIBOBJS@
 LIBREADLINE = @LIBREADLINE@
 LIBS = @LIBS@
-LIBSIGSEGV = @LIBSIGSEGV@
-LIBSIGSEGV_PREFIX = @LIBSIGSEGV_PREFIX@
 LN_S = @LN_S@
 LTLIBICONV = @LTLIBICONV@
 LTLIBINTL = @LTLIBINTL@
 LTLIBOBJS = @LTLIBOBJS@
-LTLIBSIGSEGV = @LTLIBSIGSEGV@
 MAKEINFO = @MAKEINFO@
 MKDIR_P = @MKDIR_P@
 MSGFMT = @MSGFMT@
diff --git a/test/Makefile.in b/test/Makefile.in
index ffefaad6..c9b068c3 100644
--- a/test/Makefile.in
+++ b/test/Makefile.in
@@ -1,4 +1,4 @@
-# Makefile.in generated by automake 1.16.5 from Makefile.am.
+# Makefile.in generated by automake 1.16.4 from Makefile.am.
 # @configure_input@
 
 # Copyright (C) 1994-2021 Free Software Foundation, Inc.
@@ -119,11 +119,11 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/arch.m4 \
        $(top_srcdir)/m4/iconv.m4 $(top_srcdir)/m4/intlmacosx.m4 \
        $(top_srcdir)/m4/lcmessage.m4 $(top_srcdir)/m4/lib-ld.m4 \
        $(top_srcdir)/m4/lib-link.m4 $(top_srcdir)/m4/lib-prefix.m4 \
-       $(top_srcdir)/m4/libsigsegv.m4 $(top_srcdir)/m4/longlong.m4 \
-       $(top_srcdir)/m4/mpfr.m4 $(top_srcdir)/m4/nls.m4 \
-       $(top_srcdir)/m4/noreturn.m4 $(top_srcdir)/m4/pma.m4 \
-       $(top_srcdir)/m4/po.m4 $(top_srcdir)/m4/progtest.m4 \
-       $(top_srcdir)/m4/readline.m4 $(top_srcdir)/m4/socket.m4 \
+       $(top_srcdir)/m4/longlong.m4 $(top_srcdir)/m4/mpfr.m4 \
+       $(top_srcdir)/m4/nls.m4 $(top_srcdir)/m4/noreturn.m4 \
+       $(top_srcdir)/m4/pma.m4 $(top_srcdir)/m4/po.m4 \
+       $(top_srcdir)/m4/progtest.m4 $(top_srcdir)/m4/readline.m4 \
+       $(top_srcdir)/m4/socket.m4 \
        $(top_srcdir)/m4/triplet-transformation.m4 \
        $(top_srcdir)/m4/ulonglong.m4 $(top_srcdir)/configure.ac
 am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
@@ -185,7 +185,6 @@ GETTEXT_MACRO_VERSION = @GETTEXT_MACRO_VERSION@
 GMSGFMT = @GMSGFMT@
 GMSGFMT_015 = @GMSGFMT_015@
 GREP = @GREP@
-HAVE_LIBSIGSEGV = @HAVE_LIBSIGSEGV@
 INSTALL = @INSTALL@
 INSTALL_DATA = @INSTALL_DATA@
 INSTALL_PROGRAM = @INSTALL_PROGRAM@
@@ -200,13 +199,10 @@ LIBMPFR = @LIBMPFR@
 LIBOBJS = @LIBOBJS@
 LIBREADLINE = @LIBREADLINE@
 LIBS = @LIBS@
-LIBSIGSEGV = @LIBSIGSEGV@
-LIBSIGSEGV_PREFIX = @LIBSIGSEGV_PREFIX@
 LN_S = @LN_S@
 LTLIBICONV = @LTLIBICONV@
 LTLIBINTL = @LTLIBINTL@
 LTLIBOBJS = @LTLIBOBJS@
-LTLIBSIGSEGV = @LTLIBSIGSEGV@
 MAKEINFO = @MAKEINFO@
 MKDIR_P = @MKDIR_P@
 MSGFMT = @MSGFMT@

-----------------------------------------------------------------------

Summary of changes:
 ChangeLog           |    6 +
 Makefile.in         |   19 +-
 NEWS                |    8 +-
 aclocal.m4          |   11 +-
 awklib/Makefile.in  |   16 +-
 configh.in          |    3 -
 configure           |  590 ----------------
 configure.ac        |    7 -
 doc/ChangeLog       |    8 +-
 doc/Makefile.in     |   16 +-
 doc/gawk.info       | 1937 +++++++++++++++++++++++++--------------------------
 doc/gawk.texi       |    5 +
 doc/gawktexi.in     |    5 +
 extras/Makefile.in  |   16 +-
 m4/ChangeLog        |    4 +
 m4/libsigsegv.m4    |   16 -
 main.c              |   52 +-
 support/Makefile.in |   16 +-
 test/Makefile.in    |   16 +-
 19 files changed, 1034 insertions(+), 1717 deletions(-)
 delete mode 100644 m4/libsigsegv.m4


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