From: Vaidheeswaran C <vaidheeswaran.chinnaraju@gmail.com>
Date: Tue, 23 Feb 2016 09:46:00 +0000 (+1100)
Subject: Make buttons in header lines work
X-Git-Tag: emacs-25.0.92~56
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=42bc065a6a05995ec365a5df09100989c03b822c;p=emacs.git

Make buttons in header lines work

* lisp/help-mode.el (help-button-action): `help-xref-button' in
header line doesn't work (bug#21024).

Backport:

(cherry picked from commit c11e565a6b6d09fa39d4c3ef65bef08190eaecc1)
---

diff --git a/lisp/help-mode.el b/lisp/help-mode.el
index e0f3351e67d..7b95e5fb04e 100644
--- a/lisp/help-mode.el
+++ b/lisp/help-mode.el
@@ -107,7 +107,7 @@ The format is (FUNCTION ARGS...).")
 
 (defun help-button-action (button)
   "Call BUTTON's help function."
-  (help-do-xref (button-start button)
+  (help-do-xref nil
 		(button-get button 'help-function)
 		(button-get button 'help-args)))