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Re: Can XML documents have loops (cycles)?

• From: Chris Burdess <dog@bluezoo.org>
• To: "Costello, Roger L." <costello@mitre.org>
• Date: Mon, 10 Oct 2011 13:52:38 +0100

Costello, Roger L. wrote:
> So would it be accurate to say that: 
> 
> 1. XML documents may have loops (cycles).
> 
> 2. XML parsers just report the loops; XML parsers do not traverse them.


No. It would be accurate to say that XML can be used to represent languages that describe cyclic graphs (using id/idref or whatever custom semantics they want).

As I said before, you can do the same thing with ASN.1 notation, this does not imply that ASN.1 streams have loops.
-- 
Chris Burdess

• References:
  • Can XML documents have loops (cycles)?
    • From: "Costello, Roger L." <costello@mitre.org>
  • Re: Can XML documents have loops (cycles)?
    • From: David Carlisle <davidc@nag.co.uk>
  • RE: Can XML documents have loops (cycles)?
    • From: "Costello, Roger L." <costello@mitre.org>