patch 9.0.1311: Coverity warns for using a NULL pointer Commit: https://github.com/vim/vim/commit/339e114d70de3ec2b36edf37d7ba7a7cfdf9d1a6 Author: Bram Moolenaar <Bram@vim.org> Date: Wed Feb 15 14:26:25 2023 +0000 patch 9.0.1311: Coverity warns for using a NULL pointer Problem: Coverity warns for using a NULL pointer. Solution: Use "empty_option" instead of NULL.

--- a/src/option.c
+++ b/src/option.c
@@ -1990,6 +1990,8 @@ do_set_option_string(
 
     // Set the new value.
     *(char_u **)(varp) = newval;
+    if (newval == NULL)
+	*(char_u **)(varp) = empty_option;
 
 #if defined(FEAT_EVAL)
     if (!starting