Well thanks fellas... that makes good sense.

> You have to use only one form of block, either do...end or {}. The
> convention seems to be to use do...end for multiline blocks, while {}
> is used for one-liners.

However, there's some lines of thought on the internet that have a 
different idea.  What do you think of the idea that it's not "one line 
vs. multiline" but "returns a value vs. doesn't return a value".

Here's the two posts I'm talking about:
http://objo.com/2007/6/28/ruby-style-ruby-do-end-versus
http://onestepback.org/index.cgi/Tech/Ruby/BraceVsDoEnd.rdoc

In the first post, one of the commenters asks:
> As for using {} only when returning a value, doesn???t every statement return a
> value (in your example, the array with it???s elements capitalised and reversed)?

And although he's wrong, the code in question:
i.capitalize!
is in-place changing the variable of course... but his point is still 
valid.  Anyone want to weigh in on this?
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