> I am currently trying to sort something which cannot be done numerically or
> textually. I need to sort things in a specific order i.e. b comes before d
> comes before a. Does XSL have the functionality to do this?

have a document say sort.xml that looks like
<sort>
 <x order="1">b</x>
 <x order="2">d</x>
 <x order="3">a</x>
</sort>

then in your stylesheet you can go

<xsl:sort data-type="number" select="document('sort.xml')/sort/x[.=current()]/@order"/>

Or if your real case really is one letter sort keys you don't need the
file you can go
<xsl:sort data-type="text" select="translate(.,'bda',abc')"/>


David

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