New lispref section “Security Considerations”

This attempts to document some of the issues recently discussed
on emacs-devel, and to indicate other such issues.  The section
could be a lot longer.
* doc/lispref/os.texi (Security Considerations):
New node.
* doc/lispref/elisp.texi (Top):
* doc/lispref/processes.texi (Shell Arguments):
* lisp/subr.el (shell-quote-argument):
* src/callproc.c (syms_of_callproc):
Reference it.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/callproc.c b/src/callproc.c
index eafd6217c0f..bb21c35dccc 100644
--- a/src/callproc.c
+++ b/src/callproc.c
@@ -1660,7 +1660,7 @@ syms_of_callproc (void)
   DEFVAR_LISP ("shell-file-name", Vshell_file_name,
                doc: /* File name to load inferior shells from.
 Initialized from the SHELL environment variable, or to a system-dependent
-default if SHELL is not set.  */);
+default if SHELL is unset.  See Info node `(elisp)Security Considerations'.  */);
 
   DEFVAR_LISP ("exec-path", Vexec_path,
                doc: /* List of directories to search programs to run in subprocesses.