[Emacs-diffs] /srv/bzr/emacs/trunk r102565: gnus-util.el (gnus-macroexpand-all): Don't modify argument.

[Katsumi Yamaoka]

------------------------------------------------------------
revno: 102565
committer: Katsumi Yamaoka <address@hidden>
branch nick: trunk
timestamp: Fri 2010-12-03 04:39:36 +0000
message:
  gnus-util.el (gnus-macroexpand-all): Don't modify argument.
modified:
  lisp/gnus/ChangeLog
  lisp/gnus/gnus-util.el

=== modified file 'lisp/gnus/ChangeLog'
--- a/lisp/gnus/ChangeLog       2010-12-03 02:57:46 +0000
+++ b/lisp/gnus/ChangeLog       2010-12-03 04:39:36 +0000
@@ -1,3 +1,7 @@
+2010-12-03  Katsumi Yamaoka  <address@hidden>
+
+       * gnus-util.el (gnus-macroexpand-all): Don't modify argument.
+
 2010-12-03  Glenn Morris  <address@hidden>
 
        * mm-extern.el (message-goto-body): Update declaration.

=== modified file 'lisp/gnus/gnus-util.el'
--- a/lisp/gnus/gnus-util.el    2010-12-03 02:30:12 +0000
+++ b/lisp/gnus/gnus-util.el    2010-12-03 04:39:36 +0000
@@ -2041,7 +2041,7 @@
 If no macros are expanded, FORM is returned unchanged."
     (if (consp form)
        (let ((idx 1)
-             (len (length form))
+             (len (length (setq form (copy-sequence form))))
              expanded)
          (while (< idx len)
            (setcar (nthcdr idx form) (gnus-macroexpand-all (nth idx form)))