Relationship tables for the DITA specification: Base
External resources
What you need to know about the BIDI algorithm and inline markup
(http://www.w3.org/International/articles/inline-bidi-markup/)
XHTML Bi-directional Text Attribute Module
(http://www.w3.org/TR/2004/WD-xhtml2-20040722/mod-bidi.html)
Specifying the direction of text and tables: the dir attribute
(http://www.w3.org/TR/html4/struct/dirlang.html#adef-dir)
HTML 4.0 Common Attributes
(http://www.htmlhelp.com/reference/html40/attrs.html)
Dublin Core Metadata Initiative (DCMI)
Tools for generating DTD or XSD from RELAX NG
Concept --> reference
DITAVAL markup with extended filtering example
DITAVAL markup with extended flagging example
DITAVAL markup for flagging revisions
DITAVAL markup with additional filtering and flagging examples
Concept --> concept
Source and target
Reference to reference