cascading python executions only if return code is 0

[Chris Angelico]

On Fri, Dec 27, 2013 at 4:05 PM, Roy Smith <roy at panix.com> wrote:
> There's lists like that for names and genders too.  As in, what do you
> mean there are people who don't have exactly two names and one gender?

And addresses, too. The only way to reliably query the user for an
address is with a single field in which s/he may type anything at
all... and that freedom includes the possibility of making a right
hash of it and having delivery fail.

ChrisA