+# This file is part of NIT ( http://www.nitlanguage.org ).
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+#alt1 intrude import core::text::ropes
+import core
+
+var src_s = "S&éstr"
+var cpstr: Text = src_s
+#alt1 cpstr = new Concat(src_s, src_s)
+#alt2 cpstr = new FlatBuffer.from(src_s)
+#alt3 cpstr = cpstr.substring(1, 5)
+
+var ns = new NativeString(cpstr.bytelen)
+ns.fill_from(cpstr)
+
+print ns.to_s_with_length(cpstr.bytelen)