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+%# -*- mode:c; style:ruby; coding: utf-8; indent-tabs-mode: nil -*-
+%# Copyright (c) 2017 Urabe, Shyouhei. All rights reserved.
+%#
+%# This file is a part of the programming language Ruby. Permission is hereby
+%# granted, to either redistribute and/or modify this file, provided that the
+%# conditions mentioned in the file COPYING are met. Consult the file for
+%# details.
+%;
+% if expr.blank?
+% # empty
+% elsif ! expr.__LINE__
+<%= expr.expr %>
+% else
+#line <%= expr.__LINE__ %> <%=cstr expr.__FILE__ %>
+<%= expr.expr %>
+#pragma RubyVM reset source
+% end