On Tue, 2010-01-05 at 13:49 +0100, Martin Honnen wrote:

> Whether you directly write (X)HTML or whether your stylesheet is 
> supposed to generate (X)HTML I would strongly suggest to aim at valid 
> documents (i.e. html, head, body, and script and style where they 
> belong). In the text/html world you might get way with not having any 
> html or head or body elements and just throwing fragments of documents 
> at the browser but I don't think this is a good idea in the case of 
> X(HT)ML to expect the browser to guess what you want and add html or 
> head or body element as needed.

Little known factoid: the html, body and head opening and closing tags
are all optional.