Followed the instructions exactly results in this error
Required property var for xp:dominoDocument is not present. Home.xsp formsub.nsf/XPages line 8
This doesn't appear to be a defect in the project. You've defined a document data source without the required "var" attribute. The var attribute is needed to be able te reference the datasource. Add something like var="document" to the tag and the error should be gone.
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