patch 8.2.1636: get stuck if a popup filter causes an error
Problem: Get stuck if a popup filter causes an error.
Solution: Check whether the function can be called and does not cause an
error. (closes #6902)
diff --git a/src/structs.h b/src/structs.h
index 528c247..dba9be6 100644
--- a/src/structs.h
+++ b/src/structs.h
@@ -3338,6 +3338,7 @@
// with "cursorline" set
callback_T w_close_cb; // popup close callback
callback_T w_filter_cb; // popup filter callback
+ int w_filter_errors; // popup filter error count
int w_filter_mode; // mode when filter callback is used
win_T *w_popup_curwin; // close popup if curwin differs