[Emacs-diffs] /srv/bzr/emacs/trunk r101220: * src/marker.c (Fcopy_marker): Make the first arg optional.

[Stefan Monnier]

------------------------------------------------------------
revno: 101220
committer: Stefan Monnier <address@hidden>
branch nick: trunk
timestamp: Mon 2010-08-30 14:47:49 +0200
message:
  * src/marker.c (Fcopy_marker): Make the first arg optional.
modified:
  src/ChangeLog
  src/marker.c

=== modified file 'src/ChangeLog'
--- a/src/ChangeLog     2010-08-30 00:32:29 +0000
+++ b/src/ChangeLog     2010-08-30 12:47:49 +0000
@@ -1,3 +1,7 @@
+2010-08-30  Stefan Monnier  <address@hidden>
+
+       * marker.c (Fcopy_marker): Make the first arg optional.
+
 2010-08-30  Kenichi Handa  <address@hidden>
 
        * composite.c (composition_update_it): Fix computing of

=== modified file 'src/marker.c'
--- a/src/marker.c      2010-07-08 21:25:08 +0000
+++ b/src/marker.c      2010-08-30 12:47:49 +0000
@@ -806,16 +806,18 @@
   return i;
 }
 
-DEFUN ("copy-marker", Fcopy_marker, Scopy_marker, 1, 2, 0,
+DEFUN ("copy-marker", Fcopy_marker, Scopy_marker, 0, 2, 0,
        doc: /* Return a new marker pointing at the same place as MARKER.
 If argument is a number, makes a new marker pointing
 at that position in the current buffer.
+If MARKER is not specified, the new marker does not point anywhere.
 The optional argument TYPE specifies the insertion type of the new marker;
 see `marker-insertion-type'.  */)
   (register Lisp_Object marker, Lisp_Object type)
 {
   register Lisp_Object new;
 
+  if (!NILP (marker))
   CHECK_TYPE (INTEGERP (marker) || MARKERP (marker), Qinteger_or_marker_p, 
marker);
 
   new = Fmake_marker ();