This is too easily conflicting with a shorthand for `bit` from computer science or `bar` from GNU Units. Still keep the addition of metric prefixes.
@@ -10,7 +10,7 @@ unit bar: Pressure = 100 kPa
unit angstrom: Length = 1e-10 meter
@metric_prefixes
-@aliases(barns, b: short)
+@aliases(barns)
unit barn: Area = 1e-28 meter^2
Tom Eichlersmith