patch 8.2.3065: Vim9: error when sourcing script twice and reusing function Commit: https://github.com/vim/vim/commit/577dc93da9ec78684576bff71328d40f24bd6dd8 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Jun 27 15:35:40 2021 +0200 patch 8.2.3065: Vim9: error when sourcing script twice and reusing function Problem: Vim9: error when sourcing script twice and reusing a function name. Solution: Check if the function is dead. (closes #8463)

" 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!