patch 8.0.0184: when an error is caught Vim still exits with non-zero result commit https://github.com/vim/vim/commit/2b7bc567b9238aaac682236cb4f727d0376e1302 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Jan 14 19:24:52 2017 +0100 patch 8.0.0184: when an error is caught Vim still exits with non-zero result Problem: When in Ex mode and an error is caught by try-catch, Vim still exits with a non-zero exit code. Solution: Don't set ex_exitval when inside a try-catch. (partly by Christian Brabandt)

@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" %*
)