[Python-Dev] making weakref.ref objects subclassable

[Anthony Baxter]

Tim Peters wrote:
> For the reasons given before, that won't happen.  The analysis I gave was
> based on a complete understanding of every gory detail of how Python's gc
> works -- there's simply nothing risky about this change wrt gc performance.
> Empirical validation is unnecessary <wink>.
> 
> If people want to surprise us, better they spend time writing nasty new
> tests of weakref subclassing!

Why can I forsee the strings "garbage collector" and "subclasses of
weakrefs", along with "discovered in Zope3", appearing in the 2.4.1 
2.4.2 and 2.4.3 release announcements? <0.5 wink>

Anthony