10 e("ms:stuff()") #=> ms:stuff() (unquote)
12 %("count: %d", 1+2) #=> "count: 3"
31 fadein(@color, amount)
32 fadeout(@color, amount)
38 .image when (luma(@color) > 50%) { }
39 .image when (not(...)) { }
40 .image when (default()) {}
41 .image when (e(@shape) = 'circle') { }