patch 8.2.0214: a popup window with a terminal can be made hidden Commit: https://github.com/vim/vim/commit/2e6638d5f03ae183999c726ba63e528d556342c0 Author: Bram Moolenaar <Bram@vim.org> Date: Wed Feb 5 21:07:18 2020 +0100 patch 8.2.0214: a popup window with a terminal can be made hidden Problem: A popup window with a terminal can be made hidden. Solution: Disallow hiding a terminal popup.

--- a/src/popupwin.c
+++ b/src/popupwin.c
@@ -2371,6 +2371,10 @@ f_popup_close(typval_T *argvars, typval_
     void
 popup_hide(win_T *wp)
 {
+#ifdef FEAT_TERMINAL
+    if (error_if_term_popup_window())
+	return;
+#endif
     if ((wp->w_popup_flags & POPF_HIDDEN) == 0)
     {
 	wp->w_popup_flags |= POPF_HIDDEN;