inverse.rb in facets-2.9.0.pre.1

- old
+ new

@@ -2,13 +2,16 @@
 
   # Create a "true" inverse hash by storing mutliple values in Arrays.
   #
   #   h = {"a"=>3, "b"=>3, "c"=>3, "d"=>2, "e"=>9, "f"=>3, "g"=>9}
   #
-  #   h.invert                #=> {2=>"d", 3=>"f", 9=>"g"}
-  #   h.inverse               #=> {2=>"d", 3=>["f", "c", "b", "a"], 9=>["g", "e"]}
-  #   h.inverse.inverse       #=> {"a"=>3, "b"=>3, "c"=>3, "d"=>2, "e"=>9, "f"=>3, "g"=>9}
-  #   h.inverse.inverse == h  #=> true
+  #   h.invert           #=> {2=>"d", 3=>"f", 9=>"g"}
+  #   h.inverse          #=> {2=>"d", 3=>["f", "c", "b", "a"], 9=>["g", "e"]}
+  #   h.inverse.inverse  #=> {"a"=>3, "b"=>3, "c"=>3, "d"=>2, "e"=>9, "f"=>3, "g"=>9}
+  #
+  # Of course the inverse of the inverse should be the same.
+  #
+  #   (h.inverse.inverse == h)  #=> true
   #
   # CREDIT: Tilo Sloboda
 
   def inverse
     i = Hash.new