updated for version 7.0c02
diff --git a/src/popupmnu.c b/src/popupmnu.c
index 861e74c..9f1fae4 100644
--- a/src/popupmnu.c
+++ b/src/popupmnu.c
@@ -401,8 +401,11 @@
}
#if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
- /* Show extra info in the preview window if there is something and
- * 'completeopt' contains "preview". */
+ /*
+ * Show extra info in the preview window if there is something and
+ * 'completeopt' contains "preview".
+ * NOTE: Be very careful not to sync undo!
+ */
if (pum_array[pum_selected].pum_info != NULL
&& vim_strchr(p_cot, 'p') != NULL)
{
@@ -411,7 +414,7 @@
/* Open a preview window. 3 lines by default. */
g_do_tagpreview = 3;
- resized = prepare_tagpreview();
+ resized = prepare_tagpreview(FALSE);
g_do_tagpreview = 0;
if (curwin->w_p_pvw)
@@ -496,7 +499,7 @@
update_screen(0);
pum_do_redraw = FALSE;
- if (win_valid(curwin_save))
+ if (!resized && win_valid(curwin_save))
win_enter(curwin_save, TRUE);
/* May need to update the screen again when there are