fixing spacing

Author: aza

lib/stl/face.rb

@@ -18,8 +18,8 @@ def initialize(normal, *vertices)
 
 	#   @return [Float]  The signed volume
 	def signed_volume
-      # math voodoo acording to:
-      # http://stackoverflow.com/questions/1406029/how-to-calculate-the-volume-of-a-3d-mesh-object-the-surface-of-which-is-made-up
+ 	    # math voodoo acording to:
+ 	    # http://stackoverflow.com/questions/1406029/how-to-calculate-the-volume-of-a-3d-mesh-object-the-surface-of-which-is-made-up
 	    v321 = @points[2][0] * @points[1][1] * @points[0][2]
 	    v231 = @points[1][0] * @points[2][1] * @points[0][2]
 	    v312 = @points[2][0] * @points[0][1] * @points[1][2]

test/stl.rb

@@ -75,7 +75,7 @@
 
 	it 'must have a volume' do
 	    subject.volume.must_equal 12000.0
-      subject.scale(2).volume.must_equal 96000.0
+ 	    subject.scale(2).volume.must_equal 96000.0
 	end
     end