Hi Andy, 

it sure is the most comfortable approach, I myself use the functx library via our repository extension. 
REPO INSTALL http://files.basex.org/xar/functx-1.0.xar
Hope this helps :-)

 Michael
Am 31.10.2011 um 18:19 schrieb Andy Bunce:

Is just using the functx library via the repo likely to be the most efficient approach for BaseX?