About URI,URN,URL and FPIs

[David Brownell]

John Cowan wrote:
> 
> > * If the above is true then  each HTML browser will store a local copy of
> > the HTML DTD which it will use to validate the HTML instance against. Is
> > this correct?
> 
> AFAIK no existing browser validates any document.  They have hard-wired
> knowledge of some variant of the HTML DTD, not necessarily or typically
> a standard one.

The earliest versions of HotJava validated, but there's this evil
thing called "bad HTML" that quickly reared its ugly head.  No HTML
browser can possibly afford to validate.  Instead, they compete on
how many violations of HTML syntax they can "add value to".

Let's all do our bit to prevent this from happening with XML.  Any
time you see a tool accepting or generating illegal XML, yell at its
vendor until its fixed!

- Dave

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