patch 8.1.1332: cannot flush listeners without redrawing, mix of changes commit https://github.com/vim/vim/commit/fe1ade0a78a70a4c7ddaebb6964497f037f4997a Author: Bram Moolenaar <Bram@vim.org> Date: Tue May 14 21:20:36 2019 +0200 patch 8.1.1332: cannot flush listeners without redrawing, mix of changes Problem: Cannot flush change listeners without also redrawing. The line numbers in the list of changes may become invalid. Solution: Add listener_flush(). Invoke listeners before adding a change that makes line numbers invalid.

--- a/src/evalfunc.c
+++ b/src/evalfunc.c
@@ -768,6 +768,7 @@ static struct fst
     {"lispindent",	1, 1, f_lispindent},
     {"list2str",	1, 2, f_list2str},
     {"listener_add",	1, 2, f_listener_add},
+    {"listener_flush",	0, 1, f_listener_flush},
     {"listener_remove",	1, 1, f_listener_remove},
     {"localtime",	0, 0, f_localtime},
 #ifdef FEAT_FLOAT