H yper text functionalities r epr es ent a for m of the distilled wisdom of the hyper m edia comm unity. G iven the peculiar natur e of the W or ld W ide W eb, it is very difficult to s ucces s fully propos e functionalities that becom e widely accepted. XM LC is a pr ototype of an XML br ows er that, given its m odular ar chitectur e and gener al s cope, can be pr oposed as the bas is for im p...