+#!/bin/sh
+
+# 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.
+
+# Example of an external highlighter that dispatch on various command
+# according to the argument
+
+# meta is the argument
+meta=$1
+
+# raw is a synonym of txt
+test "$meta" = "raw" && meta=txt
+
+# if `pandoc` then process through the `pandoc` command.
+if test "$meta" = "pandoc"; then
+ exec pandoc -t html
+fi
+
+# Else, try `highlight`
+highlight --fragment -S "$meta" --inline-css --enclose-pre ||
+ # Or `source-highlight`
+ source-highlight -s "$meta"
+out=$?
+exit $out