Merge pull request #29 from TuringLang/devmotion-patch-1

Fix docstring

Author: torfjelde

src/varname.jl

@@ -424,7 +424,6 @@ _issubrange(i::Colon, j::ConcreteIndex) = true
 
 Return `l` instantiated on `x`, i.e. any runtime information evaluated using `x`.
 """
-
 concretize(I::Lens, x) = I
 concretize(I::DynamicIndexLens, x) = IndexLens(I.f(x))
 function concretize(I::ComposedLens, x)