patch 9.0.1438: .fs files are falsely recognized as forth files Commit: https://github.com/vim/vim/commit/065088d5549e7711668321cc5a77c9a9b684b142 Author: Johan Kotlinski <kotlinski@gmail.com> Date: Sun Apr 2 20:29:38 2023 +0100 patch 9.0.1438: .fs files are falsely recognized as forth files Problem: .fs files are falsely recognized as forth files. Solution: Check 100 lines for something that looks like forth. (Johan Kotlinski, closes #12219, closes #11988)

" 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