• From: Chris Burdess <d09@h...>
• To: <juanrgonzaleza@c...>
• Date: Sat, 16 Sep 2006 18:23:48 +0100

<juanrgonzaleza@c...> wrote:
> I am not sure if when I write <?xml version="1.0"?> in a doc I am  
> writing
> a xml declaration or a PI.

If you write it at the start of an XML document it is an XML  
declaration.

If you write it anywhere else it is a well-formedness error,  
including at the start of an external entity since text declarations  
must supply an encoding attribute.

> The reply to above question depends of the arbiter used, the formal  
> spec
> or a real working implementation?
>
> Apparently my Mozilla based browser sometimes deals the xml  
> declaration as
> a PI. I obtain something like
>
> <message>
> xml processing instruction not at start of external entity
> </message>
>
> ... Sorry to say this but I never work with the formal
> spec, just with real implementations in browsers, tools...

Mozilla error messages are not normative. And just because many  
native English speakers say things like "If I was rich" doesn't make  
such utterances grammatically correct English.
-- 
犬 Chris Burdess
   "They that can give up essential liberty to obtain a little safety
   deserve neither liberty nor safety." - Benjamin Franklin

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