     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
+    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$

    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
    </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
