patch 8.2.3449: sort fails if the sort compare function returns 999 Commit: https://github.com/vim/vim/commit/c04f62346bfd6b92151908239a3c5ab1a7d18f2a Author: Yasuhiro Matsumoto <mattn.jp@gmail.com> Date: Sun Sep 19 17:01:39 2021 +0200 patch 8.2.3449: sort fails if the sort compare function returns 999 Problem: Sort fails if the sort compare function returns 999. Solution: Adjust value to -1 / 0 / 1. (Yasuhiro Matsumoto, closes https://github.com/vim/vim/issues/8884)

" Vim filetype plugin file
" Language:      XS (Perl extension interface language)
" Maintainer:    vim-perl <vim-perl@googlegroups.com>
" Homepage:      http://github.com/vim-perl/vim-perl
" Bugs/requests: http://github.com/vim-perl/vim-perl/issues
" Last Change:   2013-07-21

" Only do this when not done yet for this buffer
if exists("b:did_ftplugin")
    finish
endif

" Just use the C plugin for now.
runtime! ftplugin/c.vim ftplugin/c_*.vim ftplugin/c/*.vim