MDML (used in CNXML and CollXML)

CNXML

This is the xml format the majority of our content is stored in.

RELAX-NG Schema (for XML Editors and validators): http://cnx.org/aboutus/technology/cnxml/schema/rng/0.7/cnxml.rng which includes

CNXML Documentation can be found at

CollXML

This is the format our collection content is stored in.

Collxml Documentation

RELAX-NG Schema (for XML Editors and validators):

Developer documentation

Schemas developer docs