patch 8.0.1426: "gf" and <cfile> don't accept ? and & in URL commit https://github.com/vim/vim/commit/9e3dfc650190e96739abc004eb9948afa68136b4 Author: Bram Moolenaar <Bram@vim.org> Date: Mon Dec 25 14:29:18 2017 +0100 patch 8.0.1426: "gf" and <cfile> don't accept ? and & in URL Problem: "gf" and <cfile> don't accept ? and & in URL. (Dmitrii Tcyganok) Solution: Check for a URL and allow for extra characters. (closes https://github.com/vim/vim/issues/2493)

" Vim indent file
" Language:      BibTeX
" Maintainer:    Dorai Sitaram <ds26@gte.com>
" URL:		 http://www.ccs.neu.edu/~dorai/vimplugins/vimplugins.html
" Last Change:   2005 Mar 28

" Only do this when not done yet for this buffer
if exists("b:did_indent")
  finish
endif
let b:did_indent = 1

setlocal cindent

let b:undo_indent = "setl cin<"