The top README file in docbook/trunk/xsl/ refers to http://wiki.docbook.org/topic/ManPages, which does not exist (it seems, it never existed?).
A fix for this issue has been added to the current codebase.
Please test the fix with the latest snapshot from:
This Tracker item was closed automatically by the system. It was
previously set to a Pending status, and the original submitter
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