runtime(doc): remove an obsolete item from todo.txt

I cannot reproduce this defect.  The replication instructions refer to
Mercurial version numbers and I no longer use Mercurial for my Vim
source.  I tried comparing various Git versions of the example file,
src/if_cscope.c, and still couldn't reproduce the defect.  Also, I use
Vim's diff mode a lot and haven't seen such a problem in a long time.
I am confident that it has been fixed.

Therefore, the item should be removed from todo.txt.

closes: #17534

Signed-off-by: Gary Johnson <garyjohn@spocom.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>

diff --git a/runtime/doc/todo.txt b/runtime/doc/todo.txt
index 06d98fd0f046af8ac825602f54dce6ff6e1bffc7..0a4c92fcb80cd0a5dfdbbaea420699d296b52260 100644 (file)
--- a/runtime/doc/todo.txt
+++ b/runtime/doc/todo.txt
@@ -1,4 +1,4 @@
-*todo.txt*      For Vim version 9.1.  Last change: 2025 May 30
+*todo.txt*      For Vim version 9.1.  Last change: 2025 Jun 12
 
 
                  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -2202,8 +2202,6 @@ displayed in a window should return the value that's stored for that buffer.
 
 ":he ctrl_u" can be auto-corrected to ":he ctrl-u".
 
-Diff mode out of sync. (Gary Johnson, 2010 Aug 4)
-
 Win32: completion of file name ":e c:\!test" results in ":e c:\\!test", which
 does not work. (Nieko Maatjes, 2009 Jan 8, Ingo Karkat, 2009 Jan 22)