(syms_of_search) <inhibit-changing-match-data>: Doc fix.

2 files changed, 8 insertions, 3 deletions

diff --git a/src/ChangeLog b/src/ChangeLog
index 0c9f035e30a..7a5d7fcf93f 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,7 @@
+2007-12-01  Richard Stallman  <rms@gnu.org>
+
+        * search.c (syms_of_search) <inhibit-changing-match-data>: Doc fix.
+
 2007-11-30  Jason Rumney  <jasonr@gnu.org>
 
         * w32console.c (w32con_ins_del_lines, scroll_line): Clip to window.
diff --git a/src/search.c b/src/search.c
index 29def81c3eb..3c91d3cce92 100644
--- a/src/search.c
+++ b/src/search.c
@@ -3239,9 +3239,10 @@ A value of nil (which is the normal value) means treat spaces literally.  */);
 
   DEFVAR_LISP ("inhibit-changing-match-data", &Vinhibit_changing_match_data,
       doc: /* Internal use only.
-If non-nil, the match data will not be changed during call to searching or
-matching functions, such as `looking-at', `string-match', `re-search-forward'
-etc.  */);
+If non-nil, the primitive searching and matching functions
+such as `looking-at', `string-match', `re-search-forward', etc.,
+do not set the match data.  The proper way to use this variable
+is to bind it with `let' around a small expression.  */);
   Vinhibit_changing_match_data = Qnil;
 
   defsubr (&Slooking_at);