As for the bit vector problems, there is no interface to give a set of
blocks over with to resolve the iteration. In general, restarting a
dataflow iteration is difficult and expensive. Again, the best way to
-keep the dataflow infomation up to data (if this is really what is
+keep the dataflow information up to data (if this is really what is
needed) it to formulate a problem specific solution.
There are fine grained calls for creating and deleting references from