[cauthon]

Whoa that's awesome, are there any other languages that allow that?

[lg]

lots: http://rosettacode.org/wiki/Unicode_variable_names

[bglazer]

Javascript too. D3 uses it quite extensively.

See here: https://github.com/mbostock/d3/blob/master/src/geo/centroid....

[bcg1]

Java

[purpleparakeet]

Swift.

[martinflack]

Common Lisp