patch 8.2.1397: Vim9: return type of maparg() not adjusted for fourth arg Commit: https://github.com/vim/vim/commit/4a6d1b660fcea67931202527ad2852da55d26d49 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Aug 8 17:55:49 2020 +0200 patch 8.2.1397: Vim9: return type of maparg() not adjusted for fourth arg Problem: Vim9: return type of maparg() not adjusted for fourth argument. Solution: Check if fourth argument is present. (closes https://github.com/vim/vim/issues/6645)

" Vim indent file
" Language: Scheme
" Last Change: 2018 Jan 31
" Maintainer: Evan Hanson <evhan@foldling.org>
" Previous Maintainer: Sergey Khorev <sergey.khorev@gmail.com>
" URL: https://foldling.org/vim/indent/scheme.vim

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

" Use the Lisp indenting
runtime! indent/lisp.vim