patch 9.0.1627: no generic mechanism to test syntax plugins Commit: https://github.com/vim/vim/commit/46acad7284cba7842b5e505fa3d07e99806d246f Author: Bram Moolenaar <Bram@vim.org> Date: Sun Jun 11 19:04:18 2023 +0100 patch 9.0.1627: no generic mechanism to test syntax plugins Problem: No generic mechanism to test syntax plugins. Solution: Add a syntax plugin test mechanism, using screendumps. Add a simple test for "c".

" Vim filetype plugin file
" Language:		Configuration File
" Maintainer:		Christian Brabandt <cb@256bit.org>
" Latest Revision:	2018-12-24

if exists("b:did_ftplugin")
  finish
endif
let b:did_ftplugin = 1

let s:cpo_save = &cpo
set cpo&vim

let b:undo_ftplugin = "setl cms< fo<"

setlocal commentstring=#\ %s formatoptions-=t formatoptions+=croql

let &cpo = s:cpo_save
unlet s:cpo_save