paperjs/paper.js — pull request #84 by obeattie (2012-03-17 17:13:49+00:00)
Title: _length cache in Curve is not updated when the Path is transformed

When a `Path` is changed, the internal `_length` cache of its `Curve`s should be invalidated (ie. the change operation should propagate down to the `Curve`s but doesn't because they aren't children)