patch 8.1.1123: no way to avoid filtering for autocomplete function commit https://github.com/vim/vim/commit/73655cf0ca37a9aa8f56fc51bb853a8b1f7b43d4 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Apr 6 13:45:55 2019 +0200 patch 8.1.1123: no way to avoid filtering for autocomplete function Problem: No way to avoid filtering for autocomplete function, causing flickering of the popup menu. Solution: Add the "equal" field to complete items. (closes #3887)

" VIM syntax file
" Language:	groff
" Maintainer:	Alejandro López-Valencia <dradul@yahoo.com>
" URL:		http://dradul.tripod.com/vim
" Last Change:	2003-05-08-12:41:13 GMT-5.

" This uses the nroff.vim syntax file.
let b:main_syntax = "nroff"
let b:nroff_is_groff = 1
runtime! syntax/nroff.vim