Commit: runtime(racket): undo some indent options only when vim9script is available (#13935)

[Christian Brabandt]

runtime(racket): undo some indent options only when vim9script is available (#13935)

Commit: https://github.com/vim/vim/commit/26b0176a98f88acef840d7285e967859eb746c1c
Author: D. Ben Knoble <ben.knob...@gmail.com>
Date: Tue Jan 30 17:32:59 2024 -0500

runtime(racket): undo some indent options only when vim9script is available (https://github.com/vim/vim/issues/13935)

This copies commit 64edf95 (indent: only reset some options when has
vim9, 2024-01-30) from https://github.com/benknoble/vim-racket.

Signed-off-by: D. Ben Knoble <ben.knob...@gmail.com>
Signed-off-by: Christian Brabandt <c...@256bit.org>

diff --git a/runtime/indent/racket.vim b/runtime/indent/racket.vim
index 2d45d8924..bf6eeff7d 100644
--- a/runtime/indent/racket.vim
+++ b/runtime/indent/racket.vim
@@ -3,7 +3,7 @@
" Maintainer: D. Ben Knoble <ben.knob...@gmail.com>
" Previous Maintainer: Will Langstroth <wi...@langstroth.com>
" URL: https://github.com/benknoble/vim-racket
-" Last Change: 2023 Jul 17
+" Last Change: 2024 Jan 30

if exists("b:did_indent")
finish
@@ -66,4 +66,4 @@ setlocal lispwords+=if-view,case-view,cond-view,list-view,dyn-view
setlocal lispwords+=case/dep
setlocal lispwords+=define/obs

-let b:undo_indent = "setlocal indentexpr< lisp< lispoptions< ai< si< lw<"
+let b:undo_indent = "setlocal lisp< ai< si< lw<" .. (has('vim9script') ? 'indentexpr< lispoptions<' : '')