xpath: expression type?

Hi Paul,

Just rad your excellent blog post at:
http://radio.weblogs.com/0116506/2005/10/05.html#a351

...and it made me wonder: what if ZPT had an xpath: expression type?

Your examples could become:

<li tal:repeat="i xpath:item/title/text()"
     tal:content="i">Item ID</li>

<li tal:repeat="i xpath:item[@paid]/title/text()"
     tal:content="i">Item ID</li>

I don't reckon this is gonna be that hard to implement...

comments anyone?

Chris

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