[Spambayes] Strip Subject of Non-alpha

[Tony Meyer]

[Skip]
> I never got
> overwhelming encouragement for my ideas about how to add 
> experimental extensions to the CVS repository.

[me]
> I'm not sure it's possible at the moment to get overwhelming 
> encouragement for any ideas <0.5 wink>.

Whoops.  I just realised that my own message in favour of this is still
sitting in my Drafts folder awaiting completion...

In general, +1 from me ;)

=Tony Meyer