'==' vs. 'is' behavior

[eff-bot]

François Pinard <pinard at iro.umontreal.ca> wrote:
> What is "the eff-bot"?  I've read about "eff-bot" and "tim-bot" a few
> times by now, and thought it was some kind of internal joke in the group,
> but begin to think there might be some substance behind the expression! :-)

http://www.deja.com/getdoc.xp?AN=238330113

    ... Think about it -- when's the last time you spent 20 hours
    straight debugging your son/wife/friend/neighbor/dog/fer-
    ret/snake?  And they *still* fell over anyway? ...

http://www.deja.com/getdoc.xp?AN=336718323

    ... So how many of you have ever actually met "Tim Peters"?
    I know Guido claims to have, but I've seen no proof. ...

http://www.deja.com/getdoc.xp?AN=358532977

    ... the last person to try it was found strangled by
    his phone cord with his PC's screen saver flashing
    "I'm sorry Dave, I can't let you do that" ...