• To: Tatu Saloranta <cowtowncoder@y...>
• Subject: Re: Handling of PIs (was RE: Choosing a targetname...)
• From: Elliotte Harold <elharo@m...>
• Date: Tue, 02 May 2006 19:40:44 -0400
• Cc: xml-dev@l...
• In-reply-to: <20060501190704.31798.qmail@w...>
• References: <20060501190704.31798.qmail@w...>
• User-agent: Thunderbird 1.5.0.2 (Macintosh/20060308)

Tatu Saloranta wrote:

> I'm curious: are you thinking in general terms of XML
> processing applications, or strictly about XML
> processing tools (parsers, xslt/xquery tools)? I
> thought that latter must handle PIs (whereas support
> for comments was more optional), and at least
> regarding parsers, they must be passed to handling
> app/tool.
> 

XML doesn't really define a processing model. This is arguably a flaw in 
the spec. What must be passed is pretty haphazard. For instance, XML 
processors must provide default attribute values when no specified 
attribute is present. However there's no rule that says they have to 
provide specified attribute values.

For what's required to be reported and not, you really have to look at 
the specific API: SAX, DOM, etc. and they aren't always clear either.

-- 
Elliotte Rusty Harold  elharo@m...
XML in a Nutshell 3rd Edition Just Published!
http://www.cafeconleche.org/books/xian3/
http://www.amazon.com/exec/obidos/ISBN=0596007647/cafeaulaitA/ref=nosim

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