2 responses
It is called


Why should we live in the past?



Yawn.  That tired campaign again, eh?  First of all, who says func:function is "the past"?  You?  Oh well, never mind, then.  And who says XSLT 2.0 is the inevitable future?  It looks as if most developers are voting with their feet not to follow you there.  And finally, Aristotle can use func:funtion today without making any significant changes.  To go with your suggestion, he'd have to switch from libxslt.