patch 8.2.0773: switching to raw mode every time ":" is used Commit: https://github.com/vim/vim/commit/3b1f18f785f67c6cd110498c366e4d0c0fe11f27 Author: Bram Moolenaar <Bram@vim.org> Date: Sat May 16 23:15:08 2020 +0200 patch 8.2.0773: switching to raw mode every time ":" is used Problem: Switching to raw mode every time ":" is used. Solution: When executing a shell set cur_tmode to TMODE_UNKNOWN, so that the next time TMODE_RAW is used it is set, but not every time.

@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" %*
)