Invisible wrote:
> How about "-"? That's not on your list. I'm pretty sure I saw some 
> examples mentioning ":" as well. How many others are there?

Those are both shortcuts for typing that aren't part of the formalism. You 
can take any regexp with that and expand it into one without in a trivial 
way.   Basically, 0-9 means 0123456789.

> So how do you tell the difference between literal whitespace and 
> whitespace that's just for readability?

You use a different symbol for the regular whitespace, like "\ " or like 
:space: or something like that.

-- 
Darren New, San Diego CA, USA (PST)
   Serving Suggestion:
     "Don't serve this any more. It's awful."

Post a reply to this message