diagrams/diagrams-core — pull request #37 by byorgey (2013-04-17 23:24:34+00:00)
Title: New IsPrim class for supporting ScaleInv

The idea is that primitives can now decide what to do with both normal and frozen transformations. For most primitives the default implementation suffices; ScaleInv has a special instance since frozen transformations must be applied to the underlying object directly.