Shell completion for filenames from current directory, related docs.

	* lisp/shell.el  Shell completion now matches executable filenames from
	the current buffer's directory, on systems in which this behaviour
	is the default (windows-nt, ms-dos).
	* src/callproc.c (Vexec_path): Document that exec-directory is in it.
	* doc/emacs/mini.texi (Completion Options): Add a link to Shell Options.
	* doc/emacs/misc.texi (Shell Mode): Move documentation of
	shell-completion-fignore from Shell Mode to Shell Options.

Fixes: debbugs:15461

2 files changed, 9 insertions, 1 deletions

diff --git a/src/ChangeLog b/src/ChangeLog
index 7f69572dc01..606ac9a6430 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,7 @@
+2013-12-27  Jarek Czekalski  <jarekczek@poczta.onet.pl>
+
+        * callproc.c (Vexec_path): Document that exec-directory is in it.
+
 2013-12-27  Steve Purcell  <steve@sanityinc.com>  (tiny change)
 
         * nsterm.m (syms_of_nsterm): Enable ns-use-srgb-colorspace by
diff --git a/src/callproc.c b/src/callproc.c
index 3b383a7fbef..9a9b57bd923 100644
--- a/src/callproc.c
+++ b/src/callproc.c
@@ -1686,7 +1686,11 @@ default if SHELL is not set.  */);
 
   DEFVAR_LISP ("exec-path", Vexec_path,
                doc: /* List of directories to search programs to run in subprocesses.
-Each element is a string (directory name) or nil (try default directory).  */);
+Each element is a string (directory name) or nil (try default directory).
+
+By default the last element of this list is `exec-directory'. The
+last element is not always used, for example in shell completion
+(`shell-dynamic-complete-command').  */);
 
   DEFVAR_LISP ("exec-suffixes", Vexec_suffixes,
                doc: /* List of suffixes to try to find executable file names.