Unicode handling comparison

[Adam D. Ruppe]

On Wednesday, 27 November 2013 at 15:03:37 UTC, Jacob Carlborg 
wrote:
> std/uni.d(6301): Error: undefined identifier tuple

Yeah, I saw it too. The fix is simple:

https://github.com/D-Programming-Language/phobos/pull/1728

tbh this makes me think version(unittest) might just be 
considered harmful. I'm sure that code passed the tests, but only 
because a vital import was in a version(unittest) secion!