patch 8.1.0321: 'incsearch' regression: / highlights everything commit https://github.com/vim/vim/commit/4edfe2d2a2d70ea66a7f73e9b923c2d1f6246a57 Author: Bram Moolenaar <Bram@vim.org> Date: Thu Aug 23 20:55:45 2018 +0200 patch 8.1.0321: 'incsearch' regression: /\v highlights everything Problem: 'incsearch' regression: /\v highlights everything. Solution: Put back the empty_pattern() check.

" Vim filetype plugin
" Language:    CMake
" Maintainer:  Keith Smiley <keithbsmiley@gmail.com>
" Last Change: 2017 Dec 24

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

" Don't load another plugin for this buffer
let b:did_ftplugin = 1

let b:undo_ftplugin = "setl commentstring<"

setlocal commentstring=#\ %s