1.
#31754
#31754
A searchable knowledge base of specifications for DITA users.
2.
#25443
#25443
DocBook is officially available as a [WWW] Document Type Definition (DTD) for both XML and SGML. It is unofficially available in other forms as well.
Docbook.org (2003). Resources>Documentation>XML>DocBook
3.
#34472
#34472
The site is about Structured Authoring. That is a broad subject, but will focus on SGML and XML and the implementation. Tools used to author, manage, communicate and deploy data usually in the maintenance from some small widget to a large weapon system. Covering Mil-Stds and S1000D.
Wade, Douglas Paul. Structured Authoring (2009). Resources>Documentation>XML>Blogs
