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Re: isXPath1 / isXPath2 -- not(/..)

• From: "Hermann Stamm-Wilbrandt" <STAMMW@de.ibm.com>
• To: David Carlisle <d.p.carlisle@gmail.com>
• Date: Sat, 19 Dec 2015 18:22:46 +0100

You are right on "/..", but "(4=5)=/.."  does work as "isXPath1".
DataPower XSLT 1.0 processor agrees with Saxon 6.5.5 XSLT 1.0 processor.
So it seems my understanding that   not(/...)   is equivalent to   (4=5)=/..
is wrong ...
What is the difference?
Or maybe both, Saxon 6.5.5 and DataPower processor have a bug?

$ java -jar ~/Desktop/saxon9-0-0-8/saxon9.jar dummy.xml xpv.xsl; echo
true
false

$ java -jar ~/Desktop/saxon6-5-5/saxon.jar dummy.xml xpv.xsl; echo
true
true

$ xj xpv.xsl dummy.xml
true
true
$
$ cat xpv.xsl
<xsl:stylesheet version="2.0"
  xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
>
  <xsl:output omit-xml-declaration="yes" />
   
  <xsl:template match="/">
    <xsl:value-of select="not(/..)"/><xsl:text>&#10;</xsl:text>
    <xsl:value-of select="(4=5)=/.."/><xsl:text>&#10;</xsl:text>
  </xsl:template>
 
</xsl:stylesheet>
$


Mit besten Gruessen / Best wishes,

Hermann Stamm-Wilbrandt
Compiler Level 3 support & Fixpack team lead
IBM DataPower Gateways (⬚ᵈᵃᵗᵃ / ⣏⠆⡮⡆⢹⠁⡮⡆⡯⠂⢎⠆⡧⡇⣟⡃⡿⡃)
https://www.ibm.com/developerworks/mydeveloperworks/blogs/HermannSW/
https://twitter.com/HermannSW/ https://stamm-wilbrandt.de/GraphvizFiddle/
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David Carlisle ---19.12.2015 15:32:07---> not(/..) > This expression is true for XPath 2.0 and false for XPath 1.0.

From: David Carlisle <d.p.carlisle@gmail.com>
To: Hermann Stamm-Wilbrandt/Germany/IBM@IBMDE
Cc: "xml-dev@l..." <xml-dev@l...>
Date: 19.12.2015 15:32
Subject: Re: isXPath1 / isXPath2 -- not(/..)

• Follow-Ups:
  • Re: isXPath1 / isXPath2 -- not(/..)
    • From: Dimitre Novatchev <dnovatchev@gmail.com>
  • Re: isXPath1 / isXPath2 -- not(/..)
    • From: David Carlisle <d.p.carlisle@gmail.com>

• References:
  • isXPath1 / isXPath2 -- not(/..)
    • From: "Hermann Stamm-Wilbrandt" <STAMMW@de.ibm.com>
  • Re: isXPath1 / isXPath2 -- not(/..)
    • From: David Carlisle <d.p.carlisle@gmail.com>