patch 8.2.4616: Vim9: Declarations in a {} block of a user command remain Commit: https://github.com/vim/vim/commit/98b7fe725ec342d28d7c86293098b233c57c4af9 Author: Bram Moolenaar <Bram@vim.org> Date: Wed Mar 23 21:36:27 2022 +0000 patch 8.2.4616: Vim9: Declarations in a {} block of a user command remain Problem: Vim9: Declarations in a {} block of a user command do not use Vim9 rules if defined in a legacy script. (Yegappan Lakshmanan) Solution: Pretend the script is Vim9 script.

@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" %*
)