Patch 7.4.901
Problem: When a BufLeave autocommand changes folding in a way it syncs
undo, undo can be corrupted.
Solution: Prevent undo sync. (Jacob Niehus)
Files: src/popupmnu.c
*** ../vim-7.4.900/src/popupmnu.c 2014-07-23 21:10:39.867766788 +0200
--- src/popupmnu.c 2015-10-30 14:19:21.681104047 +0100
***************
*** 568,574 ****
--- 568,578 ----
if (p_pvh > 0 && p_pvh < g_do_tagpreview)
g_do_tagpreview = p_pvh;
++RedrawingDisabled;
+ /* Prevent undo sync here, if an autocommand syncs undo weird
+ * things can happen to the undo tree. */
+ ++no_u_sync;
resized = prepare_tagpreview(FALSE);
+ --no_u_sync;
--RedrawingDisabled;
g_do_tagpreview = 0;
***************
*** 659,665 ****
--- 663,671 ----
* redraw. */
if (resized)
{
+ ++no_u_sync;
win_enter(curwin_save, TRUE);
+ --no_u_sync;
update_topline();
}
***************
*** 670,676 ****
--- 676,686 ----
pum_do_redraw = FALSE;
if (!resized && win_valid(curwin_save))
+ {
+ ++no_u_sync;
win_enter(curwin_save, TRUE);
+ --no_u_sync;
+ }
/* May need to update the screen again when there are
* autocommands involved. */
*** ../vim-7.4.900/src/version.c 2015-10-25 22:41:56.703017233 +0100
--- src/version.c 2015-10-30 14:16:43.274962288 +0100
***************
*** 743,744 ****
--- 743,746 ----
{ /* Add new patch number below this line */
+ /**/
+ 901,
/**/
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