• To: "PHDB _" <phdb2000@h...>
• Subject: Re: Multiple include
• From: ht@c... (Henry S. Thompson)
• Date: 30 Jan 2003 11:49:55 +0000
• Cc: xml-dev@l...
• In-reply-to: <F48pgTFur2iz2Mb1s7n0000009f@h...>
• References: <F48pgTFur2iz2Mb1s7n0000009f@h...>
• Sender: ht@i...
• User-agent: Gnus/5.0808 (Gnus v5.8.8) XEmacs/21.4 (Portable Code)

"PHDB _" <phdb2000@h...> writes:

> Hi !
> 
> I have a little question about multiple "include" in XML Schema.
> Is it a problem if I have the following including schema ?
> 
>        |-B.xsd<--G.xsd
>        |
>        |-C.xsd<--G.xsd
>        |
> A.xsd<---D.xsd<--G.xsd
>        |
>        |-D.xsd<--G.xsd
> 
> i.e. if G.xsd is included several times indirectly in A.xsd,

The W3C XML Schema REC explicitly allows processors to optimise this
case and only process G.xsd once.


> does it cost time at parsing or is it well handled by Xerces ?

That's a question for Xerces implementors -- XSV only processes it
once.

ht
-- 
  Henry S. Thompson, HCRC Language Technology Group, University of Edinburgh
                      Half-time member of W3C Team
     2 Buccleuch Place, Edinburgh EH8 9LW, SCOTLAND -- (44) 131 650-4440
	    Fax: (44) 131 650-4587, e-mail: ht@c...
		     URL: http://www.ltg.ed.ac.uk/~ht/
 [mail really from me _always_ has this .sig -- mail without it is forged spam]

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    • From: "PHDB _" <phdb2000@h...>

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