patch 9.0.1436: cannot compare a typed variable with v:none Commit: https://github.com/vim/vim/commit/2ed57ac3675624b9d943d7753f48855e5dbebdbb Author: Bram Moolenaar <Bram@vim.org> Date: Sat Apr 1 22:05:38 2023 +0100 patch 9.0.1436: cannot compare a typed variable with v:none Problem: Cannot compare a typed variable with v:none. Solution: Allow for "x is v:none" and "x isnot v:none". (issue https://github.com/vim/vim/issues/12194)

" Vim compiler file
" Compiler:     raco (Racket command-line tools)
" Maintainer:   D. Ben Knoble <ben.knoble+github@gmail.com>
" URL:          https://github.com/benknoble/vim-racket
" Last Change: 2022 Aug 12

let current_compiler = 'raco'

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

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