patch 9.0.1392: using NULL pointer with nested :open command Commit: https://github.com/vim/vim/commit/7ac5023a5f1a37baafbe1043645f97ba3443d9f6 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Mar 7 21:05:04 2023 +0000 patch 9.0.1392: using NULL pointer with nested :open command Problem: Using NULL pointer with nested :open command. Solution: Check that ccline.cmdbuff is not NULL.

@echo off
rem batch file to start Vim with less.vim.
rem Read stdin if no arguments were given.
rem Written by Ken Takata.

if "%1"=="" (
  vim --cmd "let no_plugin_maps = 1" -c "runtime! macros/less.vim" -
) else (
  vim --cmd "let no_plugin_maps = 1" -c "runtime! macros/less.vim" %*
)