... with a possibility of a lexical gap (a null value) 3 Thus, for instance, a morphological analyzer for Turkish uses information that does not have to be expressed parametrically, such as data ... the source language which may be translated into English with this item in this sense), with the complete morphological and syn- tactic information on each such translation. Because there are, ... parameters and values constitutes a universal grammar (UG) see also Culikover (1997), Lightfoot (1991) an( Webelhuth (1992). Unfortunately, work within this approach has no~ stressed the descriptive...