* [ATOM_EXT,FIX] Export atom_until/4.
* [DBNL,EXT] Extended the DTD.
* [DBNL,FIX] Fixed the finding of footnotes.
* [DBNL,SC] Simplified predicate dbnl_process_chapter, using an options list.
* [DBNL,NEW] Added predicate dbnl_process_bibliography/3.
* [DBNL,EXT] Process markup in image captions. Assert the caption as an XML literal in RDF.
* [DBNL,EXT] Process images with no caption.
* [DBNL,NEW] Added the processing of superscripts.
* [RDF_BUILD,FIX] Fixed rdf_assert_datatype/4 (two bugs).
* [RDF_DATATYPE,EXT] Added support for the XML Literal datatype.
* [XML,NEW] Added wrapper predicate dom_to_xml/3.