<?xml version="1.0"?>
<pkg:package name="pre Check" revision="1.0"
    xmlns:pkg="http://osoft.com/package"
    xmlns:books="http://osoft.com/book">
<pkg:author></pkg:author>
<pkg:publisher></pkg:publisher>
<pkg:content>
<pkg:outlineMarker OutlineName="A" id="root" visible="true" render="false">
<pkg:outlineMarker OutlineName="B" id="B" visible="false">
        <pre>
        1: #!/usr/local/bin/perl 
        2: 
        3: print "Hello world\n"; 

</pre>
</pkg:outlineMarker><!-- B -->
</pkg:outlineMarker><!-- A -->
</pkg:content>
</pkg:package>