From: Tino Calancha <f92capac@gmail.com>
Date: Tue, 23 Feb 2016 09:17:21 +0000 (+1100)
Subject: Allow optional parameter to be nil
X-Git-Url: https://code.delx.au/gnu-emacs/commitdiff_plain/cc27b1b04113677bf9f7bf60f41ac3f07c6c2530

Allow optional parameter to be nil

* lisp/ibuf-ext.el (ibuffer-copy-filename-as-kill): Allow the
optional parameter to be nil (bug#21576).
---

diff --git a/lisp/ibuf-ext.el b/lisp/ibuf-ext.el
index aa3ccbd40f..6052bf32ce 100644
--- a/lisp/ibuf-ext.el
+++ b/lisp/ibuf-ext.el
@@ -1403,7 +1403,7 @@ You can then feed the file name(s) to other commands with \\[yank]."
   (if (zerop (ibuffer-count-marked-lines))
       (message "No buffers marked; use 'm' to mark a buffer")
     (let ((ibuffer-copy-filename-as-kill-result "")
-	  (type (cond ((zerop arg)
+	  (type (cond ((or (null arg) (zerop arg))
 		       'full)
 		      ((= arg 4)
 		       'relative)