DocBook requires linking mark-up that is slightly different from mark-up for generic XML. The following settings require other than the default value:
[HTMLOptions] ; HrefAttribute = name to use for link source attr, default href; use ; linkend for DocBook HrefAttribute = linkend ; UseHash = Yes (default, start local hrefs with #) ; or No; the # is not valid in DocBook UseHash = No ; UseUlink = No (default, use ATagName for URLs) or Yes (use ; ulink for URLs, and url as the HrefAttribute within them) UseUlink = Yes ; RemoveXrefHotspots = No (default) or Yes (remove hotspot text for ; xrefs and hyperlinks, retain it for external URLs) RemoveXrefHotspots = Yes ; UseListedXrefFilesOnly = No (default) or Yes (consider any xref ; target files not listed in [XrefFiles] to refer to the current ; file.) This suppresses filenames for DocBook where files are in the ; same DocBook book; files not in the book must be listed in ; [XrefFiles]. UseListedXrefFilesOnly = Yes