Andrew, I've tried to comment on the changes. Overall, it was essentially what I was envisioning. My comments on a few methods are mostly specific quibbles about the implementation. One reflects that I think the original implementation contains an error.

Thanks for doing this!

On Sun, Oct 1, 2017 at 7:10 AM, Prof. Andrew P. Black <black@cs.pdx.edu> wrote:

Richard (and others):

Marcus and I committed methods to implement these category tests on Friday.�� If any of you have time to review the code, it would be appreciated.�� The commit can be found here:

��https://github.com/pharo-project/pharo/pull/326/commits/933b1dcba05b837ab292e19aab413f67b3f9eec5

I noticed that there is one test failing �� which seems to be entirely unrelated�� The test passes in my image.

�� Andrew