commit dff97e65eb1bb24c44c2b7430a480888d8afb3f4
author Bram Moolenaar <Bram@vim.org> Mon Jan 24 20:00:55 2022 +0000
committer Bram Moolenaar <Bram@vim.org> Mon Jan 24 20:00:55 2022 +0000
tree 68e5fc1a4ce83826c7933cdbf91abb4bf497a894
parent 50e05254450954f04183efc7bc871527a67868b8

patch 8.2.4208: using setbufvar() may change the window title

Problem:    Using setbufvar() may change the window title.
Solution:   Do not redraw when creating the autocommand window. (closes #9613)

src/autocmd.c

diff --git a/src/autocmd.c b/src/autocmd.c
index 37f2480..a10be9b 100644
--- a/src/autocmd.c
+++ b/src/autocmd.c
@@ -1518,7 +1518,10 @@
 	p_acd = FALSE;
 #endif
 
+	// no redrawing and don't set the window title
+	++RedrawingDisabled;
 	(void)win_split_ins(0, WSP_TOP, aucmd_win, 0);
+	--RedrawingDisabled;
 	(void)win_comp_pos();   // recompute window positions
 	p_ea = save_ea;
 #ifdef FEAT_AUTOCHDIR