Removed geyacc command-line option '--old_typing'.
Fixed typo.
Made the scanners generated by gelex compilable in void-safe mode with ISE 7.3.
Made the parsers generated by geyacc compilable in void-safe mode with ISE 7.3.
Made the utility library compilable in void-safe mode with ISE 7.3.
Made the pattern library compilable in void-safe mode with ISE 7.3.
Made the parse library compilable in void-safe mode with ISE 7.3.
Made the regexp library compilable in void-safe mode with ISE 7.3.
Made the lexical library compilable in void-safe mode with ISE 7.3.
Fixed bug when processing exclude clauses in ECF files.
Improved geyacc: no need to generate type information of the generic parameters of other types.