b4_cat portability and some nits

[Joel E. Denny]

I committed this.

Index: ChangeLog
===================================================================
RCS file: /sources/bison/bison/ChangeLog,v
retrieving revision 1.1753
diff -p -u -r1.1753 ChangeLog
--- ChangeLog   8 Nov 2007 09:08:45 -0000       1.1753
+++ ChangeLog   10 Nov 2007 01:32:11 -0000
@@ -1,3 +1,11 @@
+2007-11-09  Joel E. Denny  <address@hidden>
+
+       * data/bison.m4 (b4_cat): Put a newline after the end delimiter of the
+       here document and before the EOF so that BSD's implementation of Bourne
+       shell doesn't parse the delimiter as part of the here document.
+       * doc/.cvsignore: Add cross-options.texi.
+       * src/getargs.c (usage): Add a blank line after the warning categories.
+
 2007-11-08  Paolo Bonzini  <address@hidden>
 
        * data/lalr1.java (Lexer): Remove usage of b4_pure_if.
Index: data/bison.m4
===================================================================
RCS file: /sources/bison/bison/data/bison.m4,v
retrieving revision 1.24
diff -p -u -r1.24 bison.m4
--- data/bison.m4       29 Oct 2007 17:36:38 -0000      1.24
+++ data/bison.m4       10 Nov 2007 01:32:11 -0000
@@ -74,7 +74,8 @@ version 2.2 of Bison.])])
 m4_define([b4_cat],
 [m4_syscmd([cat <<'_m4eof'
 ]m4_bpatsubst(m4_dquote($1), [_m4eof], address@hidden)[@
-_m4eof])dnl
+_m4eof
+])dnl
 m4_if(m4_sysval, [0], [], [m4_fatal([$0: cannot write to stdout])])])
 
 # b4_error(KIND, FORMAT, [ARG1], [ARG2], ...)
Index: doc/.cvsignore
===================================================================
RCS file: /sources/bison/bison/doc/.cvsignore,v
retrieving revision 1.9
diff -p -u -r1.9 .cvsignore
--- doc/.cvsignore      19 Sep 2005 21:04:40 -0000      1.9
+++ doc/.cvsignore      10 Nov 2007 01:32:11 -0000
@@ -20,3 +20,4 @@ Makefile.in
 *.info*
 stamp-vti
 version.texi
+cross-options.texi
Index: src/getargs.c
===================================================================
RCS file: /sources/bison/bison/src/getargs.c,v
retrieving revision 1.100
diff -p -u -r1.100 getargs.c
--- src/getargs.c       4 Nov 2007 20:45:32 -0000       1.100
+++ src/getargs.c       10 Nov 2007 01:32:11 -0000
@@ -298,6 +298,7 @@ Warning categories include:\n\
   `no-CATEGORY'     turn off warnings in CATEGORY\n\
   `none'            turn off all the warnings\n\
   `error'           treat warnings as errors\n\
+\n\
 "), stdout);
 
       fputs (_("\