Hello, Often when I copy and paste HTML code from somewhere, and edit the resulting page in Oxygen, I get a validation error in http://www.w3.org/TR/html4/strict.dtd For example, when the DOCTYPE at the beginning says <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> I get the validation error: F [Xerces] The declaration for the entity "ContentType" must end with '>'. If I click on this error message, it takes me not to my html document, but to http://www.w3.org/TR/html4/strict.dtd, to the following declaration: <!ENTITY % ContentType "CDATA" -- media type, as per [RFC2045] --> The middle of those three lines is highlighted. I could understand if something in my own HTML were invalid; but this appears to be saying that the standard DTD provided by W3C is not well-formed. I'm not a DTD guru, but I would be very surprised if that were the case. Is this a Xalan bug, then? This is not a showstopper for me, but it does make it more complicated for me to do validation on the html I'm writing. Thanks, Lars