Re: [xsl] Order of accumulator rules

["Michael Kay mike@xxxxxxxxxxxx" <xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx>]

Bug logged:

https://saxonica.plan.io/issues/4657

Michael Kay
Saxonica

> On 27 Jul 2020, at 18:11, Michael Kay mike@xxxxxxxxxxxx
<xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx> wrote:
>
> Added as test case accumulator-081 to XSLT3 test suite.
>
> Michael Kay
> Saxonica
>
>> On 27 Jul 2020, at 17:33, David Maus lists@xxxxxxxxxx
<mailto:lists@xxxxxxxxxx> <xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx
<mailto:xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx>> wrote:
>>
>> Hello everone,
>>
>> I started to play with XSLT 3 accumulators and am not sure I
>> understand the specifications correctly with regards to the order of
>> accumulator rules.
>>
>> Take the following example:
>>
>> <xsl:transform version="3.0"
>>               xmlns:xs="http://www.w3.org/2001/XMLSchema
<http://www.w3.org/2001/XMLSchema>"
>>               xmlns:xsl="http://www.w3.org/1999/XSL/Transform
<http://www.w3.org/1999/XSL/Transform>">
>>
>>  <xsl:output method="text"/>
>>
>>  <xsl:mode on-no-match="shallow-skip" use-accumulators="#all"/>
>>
>>  <xsl:accumulator name="accumulator" as="xs:integer" initial-value="0">
>>    <xsl:accumulator-rule match="element">
>>      <xsl:sequence select="1"/>
>>    </xsl:accumulator-rule>
>>    <xsl:accumulator-rule match="element">
>>      <xsl:sequence select="2"/>
>>    </xsl:accumulator-rule>
>>  </xsl:accumulator>
>>
>>  <xsl:template match="/">
>>    <xsl:apply-templates/>
>>    <xsl:sequence select="accumulator-after('accumulator')"/>
>>  </xsl:template>
>> </xsl:transform>
>>
>> And apply it to the following document:
>>
>> <element/>
>>
>> From my reading of the specs I would expect value of the accumulator
>> to be 2 because both rules match the element node and the rule
>> selecting 2 is last in document order. But this stylesheet returns 1
>> when I run it with Saxon EE 10.1.
>>
>> This seems to be a bug in Saxon, doesn't it?
>>
>> Best,
>>  -- David
>>
>> --
>> David Maus M.A.
>>
>> Www: http://dmaus.name <http://dmaus.name/>
>> Twitter: @_dmaus
>>
>
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