[issue18986] Add a case-insensitive case-preserving dict

[Antoine Pitrou]

Antoine Pitrou added the comment:

> With the current patch __repr__() will fail if the untransformed key
> is unhashable:

Yeah, the __repr__() implementation will be a bit annoying to get right :-)

----------

_______________________________________
Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue18986>
_______________________________________