patch 9.0.1199: crash when using kitty and using a mapping with <Esc> Commit: https://github.com/vim/vim/commit/584b853ee034754edd278d15f2966ac3d8c9d72c Author: Bram Moolenaar <Bram@vim.org> Date: Sat Jan 14 21:07:07 2023 +0000 patch 9.0.1199: crash when using kitty and using a mapping with <Esc> Problem: Crash when using kitty and using a mapping with <Esc>. Solution: Do not try setting did_simplify when it is NULL. (closes https://github.com/vim/vim/issues/11817)

" 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