commit 6adb9ea0a6ca01414f4b591f379b0f829a8273c0
author Bram Moolenaar <Bram@vim.org> Thu Apr 30 22:31:18 2020 +0200
committer Bram Moolenaar <Bram@vim.org> Thu Apr 30 22:31:18 2020 +0200
tree 8af9e5e5b2ea5d0a76e0fb1b393835c46674b27f
parent 4e5534fab798ab7c95554da3bc80b08336aedc2b

patch 8.2.0670: cannot change window when evaluating 'completefunc'

Problem:    Cannot change window when evaluating 'completefunc'.
Solution:   Make a difference between not changing text or buffers and also
            not changing window.

src/undo.c

diff --git a/src/undo.c b/src/undo.c
index c11b048..4bbc0af 100644
--- a/src/undo.c
+++ b/src/undo.c
@@ -331,7 +331,7 @@
 
     // Don't allow changes in the buffer while editing the cmdline.  The
     // caller of getcmdline() may get confused.
-    if (textlock != 0)
+    if (textwinlock != 0 || textlock != 0)
     {
 	emsg(_(e_textlock));
 	return FALSE;