updated for version 7.3.1303
Problem: Undo is synced whenever CTRL-R = is called, breaking some plugins.
Solution: Only break undo when calling setline() or append().
diff --git a/src/edit.c b/src/edit.c
index ee308bd..b76ebe5 100644
--- a/src/edit.c
+++ b/src/edit.c
@@ -8135,9 +8135,9 @@
# ifdef USE_IM_CONTROL
int im_on = im_get_status();
# endif
- /* Sync undo, so the effect of e.g., setline() can be undone. */
- u_sync(TRUE);
- ins_need_undo = TRUE;
+ /* Sync undo when evaluating the expression calls setline() or
+ * append(), so that it can be undone separately. */
+ u_sync_once = 2;
regname = get_expr_register();
# ifdef USE_IM_CONTROL
@@ -8178,6 +8178,9 @@
#ifdef FEAT_EVAL
}
--no_u_sync;
+ if (u_sync_once == 1)
+ ins_need_undo = TRUE;
+ u_sync_once = 0;
#endif
#ifdef FEAT_CMDL_INFO
clear_showcmd();