[Doc-SIG] Does the "is" operator only matter for mutable object?

[Laura Creighton]

In a message of Mon, 07 Mar 2011 00:08:38 +0100, Laura Creighton writes:
<snip>

oops, that one escaped before I was done. 

The other point was that I wondered about the section title itself.
5.8. Comparing Sequences and Other Types

This reads as if we are comparing types, when that is not what this
section is about at all.

Laura