[ba-ohs-talk] LiveDTD
http://www.sagehill.net/livedtd/ (01)
"A LiveDTD is a Document Type Definition converted into a hypertext
document. It is also a perl program (livedtd.pl) that performs that
conversion. It parses the DTD files and generates a copy with HTML markup
inserted. The result is the exact same text of the original DTD, but with
live links that let you navigate through the DTD. Click on a name, and you
are transported to where that name is declared in the DTD. Both elements
and parameter entities are hot linked.
For a simple DTD, this may not be very useful. But for complex DTDs like
DocBook and TEI that use hundreds of elements and parameter entities, it's
a great help. If you have to maintain a customization layer for such a DTD,
it is priceless (good thing it's free). " (02)