patch 8.2.1673: complete_info() selected index has an invalid value Commit: https://github.com/vim/vim/commit/b806aa5bd910dba94fbde586f6019b4825813d28 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Sep 12 22:52:57 2020 +0200 patch 8.2.1673: complete_info() selected index has an invalid value Problem: complete_info() selected index has an invalid value. (Ben Jackson) Solution: Set the index when there is only one match. (closes https://github.com/vim/vim/issues/6945) Add test for complete_info().

" Vim filetype plugin file
" Language:             m4
" Previous Maintainer:  Nikolai Weibull <now@bitwi.se>
" Latest Revision:      2008-07-09

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

let s:cpo_save = &cpo
set cpo&vim

let b:undo_ftplugin = "setl com< cms< fo<"

setlocal comments=:#,:dnl commentstring=dnl\ %s
setlocal formatoptions-=t formatoptions+=croql

let &cpo = s:cpo_save
unlet s:cpo_save