commit https://github.com/vim/vim/commit/a803c7f94070f94b831fdfd1984f288c8b825b5d Author: Bram Moolenaar <Bram@vim.org> Date: Fri Jan 15 15:31:39 2016 +0100 patch 7.4.1092 Problem: It is not simple to test for an exception and give a proper error message. Solution: Add assert_exception().

" Vim indent file
" Language:	Scheme
" Maintainer:	Sergey Khorev <sergey.khorev@gmail.com>
" Last Change:	2005 Jun 24

" Only load this indent file when no other was loaded.
if exists("b:did_indent")
  finish
endif

runtime! indent/lisp.vim