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[mile] [Issue #2] Better citation to RecordPattern@type=regex

"Roman D. Danyliw" <rdd@cert.org> Mon, 29 July 2013 05:49 UTC

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From: "Roman D. Danyliw" <rdd@cert.org>
To: "mile@ietf.org" <mile@ietf.org>
Thread-Topic: [Issue #2] Better citation to RecordPattern@type=regex
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Date: Mon, 29 Jul 2013 05:49:18 +0000
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Subject: [mile] [Issue #2] Better citation to RecordPattern@type=regex
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Per, http://trac.tools.ietf.org/wg/mile/trac/ticket/2

RecordPattern@type="regex" is currently cited as Appendix F of

   [3]   World Wide Web Consortium, "XML Schema Part 2: Datatypes Second
         Edition", W3C Recommendation , October 2004,
         <http://www.w3.org/TR/xmlschema-2/>.

Third hand feedback received from an implementer is that the W3C definition of regular expressions isn't sufficiently expressive.  For background, a comparison of features differences across regex implementations is summarized at http://www.regular-expressions.info/refflavors.html.

Do others implementers agree that the XML Schema citation should not be used?  If so, which definition would you like to use instead?  POSIX ERE (1003.2)? PERL 5? PCRE? Python?

Roman

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