patch 8.2.1729: endless loop when ":normal" feeds popup window filter Commit: https://github.com/vim/vim/commit/189832bf661168df7ebd428e4088737718775fbd Author: Bram Moolenaar <Bram@vim.org> Date: Wed Sep 23 12:29:11 2020 +0200 patch 8.2.1729: endless loop when ":normal" feeds popup window filter Problem: Endless loop when ":normal" feeds popup window filter. Solution: Add the ex_normal_busy_done flag.

--- a/src/evalfunc.c
+++ b/src/evalfunc.c
@@ -2610,7 +2610,13 @@ f_feedkeys(typval_T *argvars, typval_T *
 		    ++ex_normal_busy;
 		exec_normal(TRUE, lowlevel, TRUE);
 		if (!dangerous)
+		{
 		    --ex_normal_busy;
+#ifdef FEAT_PROP_POPUP
+		    if (ex_normal_busy == 0)
+			ex_normal_busy_done = FALSE;
+#endif
+		}
 
 		msg_scroll |= save_msg_scroll;
 	    }