patch 8.0.0663: unexpected error message only when 'verbose' is set commit https://github.com/vim/vim/commit/f8be461d0284110b321be748fea206d4169b98bb Author: Bram Moolenaar <Bram@vim.org> Date: Fri Jun 23 20:52:40 2017 +0200 patch 8.0.0663: unexpected error message only when 'verbose' is set Problem: Giving an error message only when 'verbose' set is unexpected. Solution: Give a warning message instead.

--- a/src/message.c
+++ b/src/message.c
@@ -3471,6 +3471,13 @@ give_warning(char_u *message, int hl)
     --no_wait_return;
 }
 
+    void
+give_warning2(char_u *message, char_u *a1, int hl)
+{
+    vim_snprintf((char *)IObuff, IOSIZE, (char *)message, a1);
+    give_warning(IObuff, hl);
+}
+
 /*
  * Advance msg cursor to column "col".
  */