[IPython-dev] IPEP 10:

[Stéfan van der Walt]

On Mon, Feb 25, 2013 at 9:21 AM, Min RK <benjaminrk at gmail.com> wrote:
> No, this proposal does not change the fact that the kernel is generally unaware of frontend capabilities.
> it only provides an avenue for limited cases, such as in-process IPython, to express their limitations and avoid wasted rendering, or for users / devs to limit which formats are displayed in general from the kernel side in an easy fashion.

Great.

To avoid the problem with separately registering active types, could
one use a subclass of dict that updates a keys list on every set?

Stéfan