while (a=b()) ... infinite sets digression

[Tim Peters]

[Chad Netzer]
> So, there are infinitely more strings which start with
> underscores than do not,

[Greg Ewing]
> Tricky and dangerous beasts, these infinities!

[Moshe "snipping pointless pseudo-paradoxical non truths" Zadka]
> OK, here it is: all infinite sets of strings are of power aleph null,

Is "a string" necessarily finite, or can it be infinite?  Usenet threads can
be viewed as strings, where the characters consist of entire msgs.  Take
"underscore" to mean "flame", and history suggests that a string is infinite
if and only if it contains an underscore <wink>.

not-a-character-ly y'rs  - tim