about meucheun method (using multiple keys)

[林 子芯 <mi...@hotmail.com>]

hi 
 i guess this is a very common question, but i was wondering, whether the 
muenchian method (to be more precise, the xsl:key method) supports multiple 
keys, i.e. having more than one element in the use attribute 

in my case, i have an xml file like this:

...
<book>
<author>author1</author>
<name>x box</name>
<type>sc-fi</type>
</book>
<book>
<author>author2</author>
<name>elf story</name>
<type>adventure</type>
</book>
<book>
<author>author1</author>
<name>the return of Dr who</name>
<type>sc-fi</type>
</book>
<book>
<author>author2</author>
<name>something2</name>
<type>sc-fi</type>
</book>
...

i would like to have group the output using both author and type for 
instance the ideal result should be....

<group name="author1" type="sc-fi">
<name>x box</name>
<name>return of Dr who</name>
</group>
<group name="author1" type="adventure">
<name>elf story</name>
</group>
<group name="author2" type="sc-fi">
<name>something2</name>
</group>

with mucheun mehtod i can only group them with one condition (either name 
or type) but i think there must be a way to archive such. any feedback with 
be a great help

Many thanks

regards

Kit



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