> So you cannot put these specs into the document itself you can explicitly link a stylesheet to a document. > How will they typicaly look like? Like XSL (if that is what you are using) > Is there anything corresponding to macro parameters? you can grab arbitrary branches of the dree from the currentg node and re-arange them. > What is the DOM? Sorry been spending too long in w3c lists. The Document Object Model. Basically an API that gives low level access to the parse tree of a document. (And has interfaces from C java python etc) > But what will "these" be? most likely the same as dsssl I would guess (uninformed guess in this case) > Will they be extensible (not so much the > maths ones, I am more worried about the pargaraph ones)? No. But you can define new ones (out of the system) ie in some external language. David.