Cygwin XFree web page looks odd in Mozilla

Harold Hunt
Thu Jan 17 20:26:00 GMT 2002

> > Rob - The errors you reported were trivial and are fixed now; they did
> > affect the rendering of the page.  I'm kind of surprised that there were
> > errors at all, as I usually run the validator after submitting.
>                                      ^^^^^^^^^
> Is this an open source tool ?
> Ralf

Basically.  The HTML document type definition is open source, it can be
downloaded from

Checking a document against a given type definition is usually done with the
open source tool NSGMLS:

The HTML Validator provided by is simply a web interface to
a program that compares a document with the dtd.  I'm not sure if the actual
validator front-end is open source, but that doesn't really matter.

The address of the W3C HTML Validator is:

Does that clear things up?


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