From: stephan at pcrm.win.tue.nl (Stephan Houben)
Date: 23 Apr 1999 16:25:48 +0200
Subject: Bug or Feature?
References: <37208E69.4B022E0C@mediaone.net>
Message-ID: <m3u2u7l8gj.fsf@pcrm.win.tue.nl>
X-UID: 1202                                                  

Fuming Wang <fmwang at mediaone.net> writes:

> Is this a bug or a feature that I don't know about?

It is a feature. If you do something like [[]]*10, then
you should realize that this gives you a list containing ten
times the *same* list. So mutation to one changes them all.

Greetings,

Stephan




