patch 8.2.0614: get ml_get error when deleting a line in 'completefunc' Commit: https://github.com/vim/vim/commit/ff06f283e3e4b3ec43012dd3b83f8454c98f6639 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Apr 21 22:01:14 2020 +0200 patch 8.2.0614: get ml_get error when deleting a line in 'completefunc' Problem: Get ml_get error when deleting a line in 'completefunc'. (Yegappan Lakshmanan) Solution: Lock the text while evaluating 'completefunc'.

--- a/src/undo.c
+++ b/src/undo.c
@@ -333,7 +333,7 @@ undo_allowed(void)
     // caller of getcmdline() may get confused.
     if (textlock != 0)
     {
-	emsg(_(e_secure));
+	emsg(_(e_textlock));
 	return FALSE;
     }