Not clear to me why curly brackets should be treated differently than pr...

@bschwartz @MaxPower15 @jamesfzhang @maryschmidt Anybody have thoughts on this?
.Slightly different than Brendan's but this is the format I follow:
```ruby
[1, 2, 3].map{ |e| e * 2 }.select{ |e| e % 3 == 0 }
```