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[Bug 29109] New: [xslt 3.0] New function available-system-properties()

From: <bugzilla@jessica.w3.org>
Date: Thu, 03 Sep 2015 19:22:39 +0000
To: public-qt-comments@w3.org
Message-ID: <bug-29109-523@http.www.w3.org/Bugs/Public/>
https://www.w3.org/Bugs/Public/show_bug.cgi?id=29109

            Bug ID: 29109
           Summary: [xslt 3.0] New function available-system-properties()
           Product: XPath / XQuery / XSLT
           Version: Last Call drafts
          Hardware: PC
                OS: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: XSLT 3.0
          Assignee: mike@saxonica.com
          Reporter: mike@saxonica.com
        QA Contact: public-qt-comments@w3.org
  Target Milestone: ---

A need has been identified for a function available-system-properties() to list
the property names recognized by the implementation, and the WG agreed in
principle to add such a function. Here is the first draft of the specification:

<fos:function name="available-system-properties">
      <fos:signatures>
         <fos:proto name="available-system-properties"
return-type="xs:QName*"/>
      </fos:signatures>
      <fos:properties>
         <fos:property>deterministic</fos:property>
         <fos:property>context-independent</fos:property>
         <fos:property>focus-independent</fos:property>
      </fos:properties>
      <fos:summary>
         <p>Returns a list of system property names that are suitable for
passing to
            the <function>system-property</function> function, as a (possibly
empty) sequence of QNames.</p>
      </fos:summary>
      <fos:rules>
         <p>The function returns a sequence of QNames, being the names of the
system properties
            recognized by the processor, in some <termref
def="implementation-dependent"
               >implementation-dependent</termref> order.</p>
         <p>The function is <termref
def="dt-deterministic">deterministic</termref>: that is, the
            set of available system properties does not vary during the course
of a transformation.</p>
      </fos:rules>
      <fos:notes>
         <p>The function returns a list of QNames, containing no
duplicates.</p>
         <p>It is intended that the QNames in this list should be suitable for
passing to
            <function>system-property</function>.</p>

      </fos:notes>
   </fos:function>

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Received on Thursday, 3 September 2015 19:22:47 UTC

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