patch 8.2.2121: internal error when using ze before zs in a pattern Commit: https://github.com/vim/vim/commit/a7a691cc142439e266f4ceb1f208bb952b57aa71 Author: Bram Moolenaar <Bram@vim.org> Date: Wed Dec 9 16:36:04 2020 +0100 patch 8.2.2121: internal error when using \ze before \zs in a pattern Problem: Internal error when using \ze before \zs in a pattern. Solution: Check the end is never before the start. (closes https://github.com/vim/vim/issues/7442)

" Vim Compiler File
" Compiler:	xmlwf
" Maintainer:	Robert Rowsome <rowsome@wam.umd.edu>
" Last Change:	2019 Jul 23

if exists("current_compiler")
  finish
endif
let current_compiler = "xmlwf"

let s:cpo_save = &cpo
set cpo&vim

if exists(":CompilerSet") != 2		" older Vim always used :setlocal
  command -nargs=* CompilerSet setlocal <args>
endif

CompilerSet makeprg=xmlwf\ %:S

CompilerSet errorformat=%f:%l%c:%m

let &cpo = s:cpo_save
unlet s:cpo_save