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[xsl] Recursive counting

2006-07-18 16:47:13
Well after success with my first recursive template I was all set to
make one of my own, but now shamefully am coming to the list for
advice over something that appears quite simple.

XML ------->

<options>
  <o type="A">who</o>
  <o type="A">what</o>
  <o type="A">when</o>
  <o type="B">how</o>
  <o type="B">nexus</o>
  <o type="B">triumph</o>
  <o type="C">alligator</o>
  <o type="C">spurn</o>
</option>

<people>
 <person pref="who" />
 <person pref="nexus" />
 <person pref="how" />
 <person pref="alligator" />
 <person pref="spurn" />
 <person pref="triumph" />
    .... etc ....
</people>


Desired output ------->

<!-- @count corresponds to number of times
the preference appeared among the list of <people> --->

 <out type="A" count="1" />
 <out type="B" count="3" />
 <out type="C" count="1" />


Stipulation: --------->

<out>'s must be sorted alphabetically, regardless of <option> order.

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