patch 8.2.4312: no error for using :vim9script in a :def function Commit: https://github.com/vim/vim/commit/107f7325f615a1ffa5b49521e316b44e117b0a04 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Feb 6 17:30:41 2022 +0000 patch 8.2.4312: no error for using :vim9script in a :def function Problem: No error for using :vim9script in a :def function. Solution: Give an error when compiling.

/*
 * Header file for xpm_w32.c
 */

#ifndef XPM_W32__H
int LoadXpmImage(char *filename, HBITMAP *hImage, HBITMAP *hShape);
#endif