patch 8.2.1807: can use :help in a terminal popup window Commit: https://github.com/vim/vim/commit/349f609f8990a3aca9a4b8faa0585d75e03116db Author: Bram Moolenaar <Bram@vim.org> Date: Tue Oct 6 20:46:49 2020 +0200 patch 8.2.1807: can use :help in a terminal popup window Problem: Can use :help in a terminal popup window. Solution: Give an error. (closes https://github.com/vim/vim/issues/7088)

--- a/src/help.c
+++ b/src/help.c
@@ -39,6 +39,9 @@ ex_help(exarg_T *eap)
     int		old_KeyTyped = KeyTyped;
 #endif
 
+    if (ERROR_IF_ANY_POPUP_WINDOW)
+	return;
+
     if (eap != NULL)
     {
 	// A ":help" command ends at the first LF, or at a '|' that is