patch 9.0.0836: wrong error when using extend() with funcref Commit: https://github.com/vim/vim/commit/91c75d18d9cdc32df57e648640de7476fbcb4d76 Author: zeertzjq <zeertzjq@outlook.com> Date: Sat Nov 5 20:21:58 2022 +0000 patch 9.0.0836: wrong error when using extend() with funcref Problem: Wrong error when using extend() with funcref. Solution: Better check the variable type. (closes https://github.com/vim/vim/issues/11468, closes https://github.com/vim/vim/issues/11455)

" 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