commit https://github.com/vim/vim/commit/85b11769ab507c7df93f319fd964fa579701b76b Author: Bram Moolenaar <Bram@vim.org> Date: Sat Feb 27 18:13:23 2016 +0100 patch 7.4.1433 Problem: The Sniff interface is no longer useful, the tool has not been available for may years. Solution: Delete the Sniff interface and related code.

" Vim support file to switch off loading indent files for file types
"
" Maintainer:	Bram Moolenaar <Bram@vim.org>
" Last Change:	2001 Jun 11

if exists("did_indent_on")
  unlet did_indent_on
endif

" Remove all autocommands in the filetypeindent group
silent! au! filetypeindent *