I've just released another TextMate plug-in:

TeXMLMate

http://www.ditchnet.org/texmlmate/

TeXMLMate is a floating palette designed for checking XML and XHTML documents for Well-Formedness and Validity while editing them in TextMate. Includes support for DTD, W3C XML Schema, RELAX NG and XInclude.

Todd Ditchendorf

Scandalous Software - Cocoa Developer Tools http://scan.dalo.us