+ 7.6.2001 Goetz
+ ifdef'ed all uses of gmp in tv.c away. Optimizations for
+ mode_Z no more supported, as well as constants of that mode.
+
+ 7.6.2001 Goetz
+ Dokumentation in ir_dump
+ Habe Routinen fuer einzelne Knoten/Kanten aus header entfernt:
+ Benutzen globale Variable die nicht oeffentlich zugaenglich ist.
+
+ 28.5.2001 Goetz
+ We need an entity for the array elements for the Sel nodes. This
+ entity should be stored in the array type. Changed constructor
+ parameters: include array element type. Entity for elements is built
+ automatically now.
+
+ 28.5.2001 Goetz
+ Removed bug in tv.c.
+ Faulty use of va_arg, became visible with new, stricter gcc 2.96.
+
23.5.2001 Goetz
Added list of member entites to union. unioned_types and delimiters
are superfluous now -- removed.