lamblin/Theano — comment on commit 4174718313b797f41d87e7dbe69a5d822c18a297
File: theano/tensor/elemwise.py line 1651
By lamblin:

Done.
For __str__, the thing is that we want a different behavior for the child classes (Sum, Prod, All, Any, ...) than for the parent classes (CAReduce, CAReduceDtype), so I'll leave it at that.