Syntext has released Serna 1.5. a $299 payware XSL-based WYSIWYG XML Document Editor for Mac OS X, Windows, and Unix. Features include on-the-fly XSL-driven XML rendering and transformation, on-the-fly XML Schema validation, and spell checking. Version 1.5 adds support for XML Catalogs, Docbook 4.3, and DITA 1.3 (whatever that is).