The following lines show how to attach the Is Time Travel Possible
online article to the Time Machine User Guide
Ftmap:
<?xml version='1.0' encoding='utf-8'?>
<controlFile>
<resources>
<resource>
<originId>time_machine_user_guide</originId>
<attachments>
<attachment>
<originId>time_travel_article</originId>
<displayName>Is Time Travel Possible?</displayName>
<originUrl>http://www.physics.org/article-questions.asp?id=131</originUrl>
<mimeType>text/html</mimeType>
</attachment>
</attachments>
</resource>
</resources>
</controlFile>