runtime: Set b:undo_indent where missing (#12944)
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/runtime/indent/ch.vim b/runtime/indent/ch.vim
index e1bd8a3..11b1f67 100644
--- a/runtime/indent/ch.vim
+++ b/runtime/indent/ch.vim
@@ -3,6 +3,7 @@
" Maintainer: SoftIntegration, Inc. <info@softintegration.com>
" URL: http://www.softintegration.com/download/vim/indent/ch.vim
" Last change: 2006 Apr 30
+" 2023 Aug 28 by Vim Project (undo_indent)
" Created based on cpp.vim
"
" Ch is a C/C++ interpreter with many high level extensions
@@ -16,3 +17,5 @@
" Ch indenting is built-in, thus this is very simple
setlocal cindent
+
+let b:undo_indent = "setlocal cindent<"