Legitimate use of the "is" comparison operator?

[Fredrik Lundh]

Mike Duffy wrote:

> Ahh, thank you. That explains why Fredrick's and Jean-Paul's example
> did not work, but mine did (I was using *small* integers).

"small integers" is what the phrase "small integers" in the "small 
integers" and "small integers" parts of my reply referred too, of course.

</F>