From: Philipp Stephani <p.stephani2@gmail.com>
Date: Tue, 3 Jan 2017 16:24:23 +0000 (+0000)
Subject: Small patch for ffap.el
X-Git-Tag: emacs-26.0.90~944
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=5c6f1198d40b404573e5dfd2b0f1e5c73f71209b;p=emacs.git

Small patch for ffap.el

* lisp/ffap.el (ffap-alist): Document that ffap sets the match data
while walking 'ffap-alist'.
---

diff --git a/lisp/ffap.el b/lisp/ffap.el
index cabf3395012..8144d41f3a1 100644
--- a/lisp/ffap.el
+++ b/lisp/ffap.el
@@ -797,7 +797,10 @@ specify actions to try creating such a string.  A pair matches if either
   KEY is a symbol, and it equals `major-mode', or
   KEY is a string, it should match NAME as a regexp.
 On a match, (FUNCTION NAME) is called and should return a file, an
-URL, or nil.  If nil, search the alist for further matches.")
+URL, or nil.  If nil, search the alist for further matches.
+While calling FUNCTION, the match data is set according to KEY if KEY
+is a string, so that FUNCTION can use `match-string' and friends
+to extract substrings.")
 
 (put 'ffap-alist 'risky-local-variable t)