Re: breaking sorted material into subsections

[Nick Browne <NickBrowne@xxxxxxxxxxxxxxx>]

For interest, this does not appear to work in Oracle XSLT 2.0.2.8 or 2.0.2.9.
Having played around with a similar variation on this solution the problem seems
to be when the expression in the 'use' attribute of the key declaration
references a function, i.e. it is OK if a simple element or attribute reference
is used. As soon as the key is referenced in the template an 'XSL-1036 : Cannot
convert string to node set' message is given. A shame, as this method allows the
'index' to be built without concern to the source data order. Is there another
way ?

Regards
--
Nick Browne
Slipstone Ltd
P.S. (Will be) Reported to Oracle

Oliver Becker wrote:

> ..... Adapted to Eric's problem I get
>
> <xsl:key name="letters" match="index" use="substring(@entry,1,1)" />
> <xsl:template match="IndexEntryData">
>    <xsl:for-each
>         select="index[count(. | key('letters',
>                                     substring(@entry,1,1))[1]) = 1]">
>       <xsl:sort select="@entry" />
>       <xsl:variable name="initial" select="substring(@entry,1,1)" />
>       <h2> <xsl:value-of select="$initial" /> </h2>
>       <xsl:for-each select="key('letters', $initial)">
>          <xsl:sort select="@entry" />
>          <p> <xsl:value-of select="@entry" /> </p>
>       </xsl:for-each>
>    </xsl:for-each>
> </xsl:template>


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