patch 8.2.4899: with latin1 encoding CTRL-W might go before the cmdline Commit: https://github.com/vim/vim/commit/ef02f16609ff0a26ffc6e20263523424980898fe Author: Bram Moolenaar <Bram@vim.org> Date: Sat May 7 10:49:10 2022 +0100 patch 8.2.4899: with latin1 encoding CTRL-W might go before the cmdline Problem: With latin1 encoding CTRL-W might go before the start of the command line. Solution: Check already being at the start of the command line.

" This script makes a tags file for help text.
"
" Usage: vim -eX -u doctags.vim

try
  helptags ++t .
  echo 'help tags updated'
catch
  echo v:exception
  echo 'help tags failed update'
endtry
echo ''
qa!