patch 8.2.2209: Vim9: return type of => lambda not parsed Commit: https://github.com/vim/vim/commit/9e68c32563d8c9ffe1ac04ecd4ccd730af66b97c Author: Bram Moolenaar <Bram@vim.org> Date: Fri Dec 25 12:38:04 2020 +0100 patch 8.2.2209: Vim9: return type of => lambda not parsed Problem: Vim9: return type of => lambda not parsed. Solution: Parse and use the return type.

@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" %*
)