[Emacs-diffs] trunk r114208: * src/insdel.c (insert_from_buffer_1): Don't mark buffer as modified when

[Stefan Monnier]

------------------------------------------------------------
revno: 114208
revision-id: address@hidden
parent: address@hidden
committer: Stefan Monnier <address@hidden>
branch nick: trunk
timestamp: Wed 2013-09-11 08:28:01 -0400
message:
  * src/insdel.c (insert_from_buffer_1): Don't mark buffer as modified when
  insert-buffer-substring an empty string.
modified:
  src/ChangeLog                  changelog-20091113204419-o5vbwnq5f7feedwu-1438
  src/insdel.c                   insdel.c-20091113204419-o5vbwnq5f7feedwu-175

=== modified file 'src/ChangeLog'
--- a/src/ChangeLog     2013-09-11 10:24:48 +0000
+++ b/src/ChangeLog     2013-09-11 12:28:01 +0000
@@ -1,3 +1,8 @@
+2013-09-11  Stefan Monnier  <address@hidden>
+
+       * insdel.c (insert_from_buffer_1): Don't mark buffer as modified when
+       insert-buffer-substring an empty string.
+
 2013-09-11  Paul Eggert  <address@hidden>
 
        * xdisp.c (Ftool_bar_lines_needed): Declare as 'const' if ifdeffed out,

=== modified file 'src/insdel.c'
--- a/src/insdel.c      2013-08-06 06:53:09 +0000
+++ b/src/insdel.c      2013-09-11 12:28:01 +0000
@@ -1057,6 +1057,9 @@
   ptrdiff_t outgoing_nbytes = incoming_nbytes;
   INTERVAL intervals;
 
+  if (nchars == 0)
+    return;
+
   /* Make OUTGOING_NBYTES describe the text
      as it will be inserted in this buffer.  */