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[Bug 4610] K2-ReplaceFunc-3

From: <bugzilla@wiggum.w3.org>
Date: Fri, 08 Jun 2007 17:42:29 +0000
To: public-qt-comments@w3.org
Message-Id: <E1HwiTl-00038X-UW@wiggum.w3.org>


           Summary: K2-ReplaceFunc-3
           Product: XML Query Test Suite
           Version: unspecified
          Platform: PC
        OS/Version: Windows XP
            Status: NEW
          Severity: normal
          Priority: P2
         Component: XML Query Test Suite
        AssignedTo: frans.englich@telia.com
        ReportedBy: andrew.eisenberg@us.ibm.com
         QAContact: public-qt-comments@w3.org

The query for K2-ReplaceFunc-3 is:

replace("abcd", "(a)\2(b)", "")

I believe that this test case should raise error FORX0002. A sentence in 7.6.3
fn:replace says:

"An error is raised [err:FORX0002] if the value of $pattern is invalid
according to the rules described in section 7.6.1 Regular Expression Syntax."

The bullet that defines back-reference in 7.6.1 Regular Expression Syntax says:

"A back-reference matches the string that was matched by the nth capturing
subexpression within the regular expression, that is, the parenthesized
subexpression whose opening left parenthesis is the nth unescaped left
parenthesis within the regular expression. The closing right parenthesis of
this subexpression must occur before the back-reference."

The closing right parenthesis of the 2nd capturing subexpression occurs after
the back-reference.
Received on Friday, 8 June 2007 17:42:35 UTC

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