reference sheet for XSLT 2.0?

  i was just perusing o'reilly's "XSLT cookbook", and had my memory 
refreshed on what a pain it was to simply reverse a string, for example.
so i was checking to see whether simple string operations like this
were designed into XSLT 2.0.

  i checked http://www.w3.org/TR/xpath-functions/ and, in the list
of functions on strings, i saw a number of string functions but
not one to simply reverse a string, which i would have thought 
would be fairly obvious.

  am i just looking in the wrong place?

rday


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