     to add x and y values without a second point object.
 
     <code><pre>
-       point = Point(2, 3)
-
-       point.x
-    => 2
-
-       point.y
-    => 3
-
-       point.add$(Point(3, 4))
-
-       point.x
-    => 5
-
-       point.y
-    => 7
-
-       anotherPoint = Point(2, 3)
-       anotherPoint.add$(3, 4)
-
-       anotherPoint.x
-    => 5
-
-       anotherPoint.y
-    => 7
+    point = Point(2, 3)
+
+    point.x
+    # => 2
+
+    point.y
+    # => 3
+
+    point.add$(Point(3, 4))
+
+    point.x
+    # => 5
+
+    point.y
+    # => 7
+
+    anotherPoint = Point(2, 3)
+    anotherPoint.add$(3, 4)
+
+    anotherPoint.x
+    # => 5
+
+    anotherPoint.y
+    # => 7
     </pre></code>
 
     @name add$

    Subtracts a point to this one and returns the new point.

    <code><pre>
       point = Point(1, 2).subtract(Point(2, 0))

       point.x
    => -1

       point.y
    => 2

       anotherPoint = Point(1, 2).subtract(2, 0)

       anotherPoint.x
    => -1

       anotherPoint.y
    => 2
    </pre></code>

    @name subtract

    Subtracts a point to this one and returns the new point.

    <code><pre>
    point = Point(1, 2)

    point.x
    # => 1

    point.y
    # => 2

    point.subtract$(Point(2, 0))

    point.x
    # => -1

    point.y
    # => 2

    anotherPoint = Point(1, 2)
    anotherPoint.subtract$(2, 0)

    anotherPoint.x
    # => -1

    anotherPoint.y
    # => 2
    </pre></code>

    @name subtract$
