From 22ce475b428311f8c7cfb07dbf12103097ab7d02 Mon Sep 17 00:00:00 2001
From: Glenn Morris <rgm@gnu.org>
Date: Thu, 9 Aug 2007 02:48:42 +0000
Subject: [PATCH] (help-make-xrefs): Fix previous change.

---
 lisp/help-mode.el | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/lisp/help-mode.el b/lisp/help-mode.el
index fd17a93a29f..1435eb019ec 100644
--- a/lisp/help-mode.el
+++ b/lisp/help-mode.el
@@ -461,9 +461,11 @@ that."
               ;; An obvious case of a key substitution:
               (save-excursion
                 (while (re-search-forward
-			;; Assume command name is only word and symbol
+                        ;; Assume command name is only word and symbol
                         ;; characters to get things like `use M-x foo->bar'.
-                        "\\<M-x\\s-+\\(\\sw\\(\\sw\\|\\s_\\)+\\)" nil t)
+                        ;; Command required to end with word constituent
+                        ;; to avoid `.' at end of a sentence.
+                        "\\<M-x\\s-+\\(\\sw\\(\\sw\\|\\s_\\)*\\sw\\)" nil t)
                   (let ((sym (intern-soft (match-string 1))))
                     (if (fboundp sym)
                         (help-xref-button 1 'help-function sym)))))
-- 
2.39.2