For use with DITA 1.3, the MathML DTD declarations are used through the DITA-specific file mathml3-ditadriver.dtd. This declaration set configures the MathML DTDs for use with DITA using the MathML-provided configuration entities. However, this configuration is not sufficient and additional changes must be made to the W3C-provided MathML declarations.

The mathml3-ditadriver turns off use of general text entities. DITA documents should not use general text entities. The entity declaration files are included in the distribution but the inclusion of the entity declarations is turned off.