patch 8.1.0017: shell command completion has duplicates commit https://github.com/vim/vim/commit/62fe66f251263715968442e237742d9d3dfd5fa1 Author: Bram Moolenaar <Bram@vim.org> Date: Tue May 22 16:58:47 2018 +0200 patch 8.1.0017: shell command completion has duplicates Problem: Shell command completion has duplicates. (Yegappan Lakshmanan) Solution: Use a hash table to avoid duplicates. (Ozaki Kiichi, closes https://github.com/vim/vim/issues/539, closes #2733)

" Vim filetype plugin file
" Language:	hg (Mercurial) commit file
" Maintainer:	Ken Takata <kentkt at csc dot jp>
" Last Change:	2016 Jan 6
" Filenames:	hg-editor-*.txt
" License:	VIM License
" URL:		https://github.com/k-takata/hg-vim

if exists("b:did_ftplugin")
  finish
endif
let b:did_ftplugin = 1

setlocal nomodeline

let b:undo_ftplugin = 'setl modeline<'