patch 8.1.1653: ubsan warns for possibly passing NULL pointer commit https://github.com/vim/vim/commit/0d07155c8bbaca1a527b79da358438253a60839f Author: Bram Moolenaar <Bram@vim.org> Date: Mon Jul 8 22:04:03 2019 +0200 patch 8.1.1653: ubsan warns for possibly passing NULL pointer Problem: Ubsan warns for possibly passing NULL pointer. Solution: Skip code when length is zero. (Dominique Pelle, closes https://github.com/vim/vim/issues/4631)

" Logtalk filetype plugin file
" Language:         Logtalk
" Maintainer:       Paulo Moura <pmoura@logtalk.org>
" Latest Revision:  2018-08-03

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

let b:undo_ftplugin = "setl ts< sw< fdm< fdc< ai< dict<"

setlocal ts=4
setlocal sw=4
setlocal fdm=syntax
setlocal fdn=10
setlocal fdc=2
setlocal autoindent
setlocal dict=$VIMRUNTIME/ftplugin/logtalk.dict