patch 8.1.2286: using border highlight in popup window leaks memory Commit: https://github.com/vim/vim/commit/622b64603748cceafd47f7537b96610e824e0680 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Nov 10 15:16:54 2019 +0100 patch 8.1.2286: using border highlight in popup window leaks memory Problem: Using border highlight in popup window leaks memory. Solution: Free memory before overwriting. (Dominique Pelle, closes https://github.com/vim/vim/issues/5203)

" Vim filetype plugin
" Language:	awk, nawk, gawk, mawk
" Maintainer:	Antonio Colombo <azc100@gmail.com>
" Last Change:	2017 Feb 17

" This plugin was prepared by Mark Sikora

" 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