Python and generic programming

[Terry Reedy]

"Richie Hindle" <richie at entrian.com> wrote in message 
news:g5a3q057grtlbbt8je1pevvchofuiud9n8 at 4ax.com...
>
> [Isaac]
>> [...] my post didn't make
>> sense even to myself.  So I cancel that post a minute after making it,
>> although apparently my cancel posting didn't go as far as my response.
>
> The comp.lang.python newsgroup is mirrored by the python-list at python.org
> mailing list, so canceling a message often won't work for the mailing 
> list
> subscribers.  Your original message will already have been sent out by
> email by the time your cancel message gets through.

and python-list, along with 1000s of other technical mailing lists, is 
mirrored as a news.gname.org newsgroup -- gmane.comp.python.

I cancel about half the messages I start to write -- by hitting delete 
instead of send ;-0.

Terry J. Reedy