[Koha-devel] does anyone have any updates to the XSLT stylesheets in Koha, to the latest MARC21 specs?

hi Folks has anyone made any start on updating the XSLT stylesheets in Koha to the latest MARC21 specs i am about to start on this task and i do not want to duplicate any existing effort :) i guess i should look at the Kobli code, to see if they have made some updates… thanks, Mason