JumpstartLab/curriculum — pull request #317 by kytrinyx (2012-11-12 16:58:47+00:00)
Title: Introduce 1.9 hash syntax (100 minutes)

I added a small section that explains the 1.9 syntax after the
traditional style is introduced, rather than starting with it.

This is because the whole "It's a symbol, even though it doesn't have a
colon in front of it" is a bit easier to explain when it isn't mixed
into the actual explanation for hash.