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-rw-r--r--runtime/indent/logtalk.vim3
1 files changed, 3 insertions, 0 deletions
diff --git a/runtime/indent/logtalk.vim b/runtime/indent/logtalk.vim
index 8e36f86115..f7a8b0387c 100644
--- a/runtime/indent/logtalk.vim
+++ b/runtime/indent/logtalk.vim
@@ -1,5 +1,6 @@
" Maintainer: Paulo Moura <pmoura@logtalk.org>
" Revised on: 2018.08.04
+" 2023 Aug 28 by Vim Project (undo_indent)
" Language: Logtalk
" This Logtalk indent file is a modified version of the Prolog
@@ -16,6 +17,8 @@ setlocal indentexpr=GetLogtalkIndent()
setlocal indentkeys-=:,0#
setlocal indentkeys+=0%,-,0;,>,0)
+let b:undo_indent = "setlocal indentexpr< indentkeys<"
+
" Only define the function once.
if exists("*GetLogtalkIndent")
finish