Make sure there's no explicit tag name

* lisp/progmodes/etags.el (tag-implicit-name-match-p): Make sure
there's no explicit tag name (bug#20629).

1 files changed, 2 insertions, 1 deletions

diff --git a/lisp/progmodes/etags.el b/lisp/progmodes/etags.el
index 329d899a588..d03032d0abb 100644
--- a/lisp/progmodes/etags.el
+++ b/lisp/progmodes/etags.el
@@ -1628,7 +1628,8 @@ Point should be just after a string that matches TAG."
   ;; Look at the comment of the make_tag function in lib-src/etags.c for
   ;; a textual description of the four rules.
   (and (string-match "^[^ \t()=,;]+$" tag) ;rule #1
-       (looking-at "[ \t()=,;]?\177")   ;rules #2 and #4
+       ;; Rules #2 and #4, and a check that there's no explicit name.
+       (looking-at "[ \t()=,;]?\177\\(?:[0-9]+\\)?,\\(?:[0-9]+\\)?$")
        (save-excursion
          (backward-char (1+ (length tag)))
          (looking-at "[\n \t()=,;]")))) ;rule #3