patch 8.1.1303: not possible to hide a balloon commit https://github.com/vim/vim/commit/be0a2597ae0d9eb0b8a8a2fc9ae1784faa929844 Author: Bram Moolenaar <Bram@vim.org> Date: Thu May 9 13:50:16 2019 +0200 patch 8.1.1303: not possible to hide a balloon Problem: Not possible to hide a balloon. Solution: Hide the balloon when balloon_show() is called with an empty string or list. Add balloon_gettext().

--- a/src/popupmnu.c
+++ b/src/popupmnu.c
@@ -1154,7 +1154,10 @@ ui_post_balloon(char_u *mesg, list_T *li
     ui_remove_balloon();
 
     if (mesg == NULL && list == NULL)
+    {
+	pum_undisplay();
 	return;
+    }
     if (list != NULL)
     {
 	listitem_T  *li;