[Emacs-diffs] emacs/doc/lispref os.texi

[Eli Zaretskii]

CVSROOT:        /cvsroot/emacs
Module name:    emacs
Changes by:     Eli Zaretskii <eliz>    09/01/17 15:35:55

Modified files:
        doc/lispref    : os.texi 

Log message:
        (System Environment): Document `environment' and `initial-environment'.

CVSWeb URLs:
http://cvs.savannah.gnu.org/viewcvs/emacs/doc/lispref/os.texi?cvsroot=emacs&r1=1.18&r2=1.19

Patches:
Index: os.texi
===================================================================
RCS file: /cvsroot/emacs/emacs/doc/lispref/os.texi,v
retrieving revision 1.18
retrieving revision 1.19
diff -u -b -r1.18 -r1.19
--- os.texi     8 Jan 2009 05:29:01 -0000       1.18
+++ os.texi     17 Jan 2009 15:35:55 -0000      1.19
@@ -716,8 +716,9 @@
 AT&T System V.
 
 @item windows-nt
-Microsoft windows NT.  The same executable supports Windows 9X, but the
-value of @code{system-type} is @code{windows-nt} in either case.
+Microsoft Windows NT and later.  The same executable supports Windows
+9X, but the value of @code{system-type} is @code{windows-nt} in either
+case.
 
 @end table
 
@@ -822,6 +823,22 @@
 specifies the variable, and the other ``duplicates'' are ignored.
 @end defvar
 
address@hidden environment &optional frame
+This is a convenience function that returns the value of
address@hidden after removing unset and duplicate
+variables from it.  The optional argument @var{frame}, which should be
+a frame, means return the list of environment variables in effect for
+that frame.  The value this function returns is a copy, so changing it
+will have no effect on the environment variables passed to
+subprocesses.
address@hidden defun
+
address@hidden initial-environment
+This variable holds the list of environment variables Emacs inherited
+from its parent process.  It is computed during startup, see
address@hidden Summary}.
address@hidden defvar
+
 @defvar path-separator
 This variable holds a string which says which character separates
 directories in a search path (as found in an environment variable).  Its