Warning: Kimwitu V4_1 and newer contain incompatible changes wrt
Kimwitu V4_0 and older.

 - the print_<phylum> functions contain an additional (first) parameter
   (for a file pointer (or 0, for stdout)

 - the rewrite_<phylum> funcitons contain an additional second parameter
   for a (rewrite-) view. The default rewrite-view is 'base_rview'.

 - the 'view' type has been 'renamed' to 'uview' (short for Unparse-view),
   the default 'base_view' has been renamed to 'base_uview'.
   the '%view' keyword has been renamed to '%uview'.
   The old names can still be used, but you are encouraged to use the new
   ones.

 - there is an extended syntax for rewrite rules:
	 pattern ->  < view1 view2 view... : term >;
   and you can declare rewrite views as
   '%rview view1 view2 ...;

See also the CHANGES file in the kc-distr source (src) directory.