patch 8.2.2654: Vim9: getting a character from a string can be slow Commit: https://github.com/vim/vim/commit/ff871400461183010d3ab98f3f326e4bb75e221b Author: Bram Moolenaar <Bram@vim.org> Date: Fri Mar 26 13:34:05 2021 +0100 patch 8.2.2654: Vim9: getting a character from a string can be slow Problem: Vim9: getting a character from a string can be slow. Solution: Avoid a function call to get the character byte size. (https://github.com/vim/vim/issues/8000)

@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" %*
)