Breaking CDATASections up into multiple chunks is probably not officially _wrong_, per the defintions of XML and HTML, but is certainly not optimal. See Bugzilla entries #7163 (which is reportedly fixed), #10726 (which is reportedly open), several others which those reference.
______________________________________ Joe Kesselman, IBM Next-Generation Web Technologies: XML, XSL and more. "may'ron DaroQbe'chugh vaj bIrIQbej" ("Put down the squeezebox and nobody gets hurt.")