patch 8.0.0993: sometimes an xterm sends an extra CTRL-X commit https://github.com/vim/vim/commit/f6d9f96b2d67327bbadd7210acc7c6028439bbcd Author: Bram Moolenaar <Bram@vim.org> Date: Thu Aug 24 20:21:16 2017 +0200 patch 8.0.0993: sometimes an xterm sends an extra CTRL-X Problem: Sometimes an xterm sends an extra CTRL-X after the response for the background color. Related to t_RS. Solution: Check for the CTRL-X after the terminating 0x7.

" 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