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[Bug 1468] New: [FO] fn:remove: allow empty position

From: <bugzilla@wiggum.w3.org>
Date: Thu, 19 May 2005 20:06:27 +0000
To: public-qt-comments@w3.org
Cc:
Message-Id: <E1DYrHn-0002xd-7n@wiggum.w3.org>

http://www.w3.org/Bugs/Public/show_bug.cgi?id=1468

           Summary: [FO] fn:remove: allow empty position
           Product: XPath / XQuery / XSLT
           Version: Last Call drafts
          Platform: PC
        OS/Version: Windows XP
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Functions and Operators
        AssignedTo: ashok.malhotra@oracle.com
        ReportedBy: mrys@microsoft.com
         QAContact: public-qt-comments@w3.org
 BugsThisDependsOn: 1467


position should be allowed to be empty. Often this value is  
being calculated and the static type of the calculation will result in an 
optionally empty type. Proposed rewording:

15.1.8 fn:remove
fn:remove($target as item()*, $position as xs:integer?) as item()*
Summary: Returns a new sequence constructed from the value of $target with the 
item at the position specified by the value of $position removed.

If $position is the empty sequence, the error FORG--99 is raised.

If $position is less than 1 or greater than the number of items in $target, 
$target is returned. Otherwise, the value returned by the function consists of 
all items of $target whose index is less than $position, followed by all items 
of $target whose index is greater than $position. If $target is the empty 
sequence, the empty sequence is returned.
Received on Thursday, 19 May 2005 20:06:35 UTC

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