[xsl] Generate Site index

[Robert Sösemann <robert.soesemann@xxxxxx>]

Hello,

I have problems to transform a list of keywords from a database into an html
site index.

Maybe somebody can help.

XML INPUT FROM DB: (already alphabetically sorted)
--------------------------

<ENTRY>
    <KEYWORD>Abacus</KEYOWORD>
    <APPEARSIN>item1.html</APPEARSIN>
    <APPEARSIN>item8.html</APPEARSIN>
    ...
</ENTRY>
...
<ENTRY>
    <KEYWORD>Bilbao</KEYOWORD>
    <APPEARSIN>item12.html</APPEARSIN>
    <APPEARSIN>item3.html</APPEARSIN>
    ...
</ENTRY>
...

WHAT I WANT:
------------------

A list with all apearing letters as links to jump directly to that section
of the page
on top of the page.
....
<A href="#allAs">A</A> | <A href="#allBs">B</A> ....
....
and sections for all letters with its keywords:
...
A:

    Abacus           <A href="item1.html">item1</A>, <A
href="item8.html">item8</A>,...
    ....

B:

    Bilbao            <A href="item12.html">item12</A>, <A
href="item3.html">item3</A>, ..

IS THAT POSSIBLE WITH XSL. Maybe wiht xsl:number?


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