Formatted the document according to the guidelines

swift.html.markdown

@@ -9,20 +9,11 @@ Swift is a programming language for iOS and OS X development created by Apple. D
 
 See also Apple's [getting started guide](https://developer.apple.com/library/prerelease/ios/referencelibrary/GettingStarted/LandingPage/index.html), which has a complete tutorial on Swift.
 
-# Overview
-- [Basics](#basics)
-- [Arrays and Dictionaries](#array)
-- [Control Flow](#control)
-- [Functions](#func)
-- [Closures](#closures)
-- [Classes](#classes)
-- [Enums](#enums)
-- [Other](#other)
-- [Links](#links)
-
-## <a name="basics"></a>Basics
-
 ```js
+//
+// Basics
+//
+
 println("Hello, world")
 var myVariable = 42
 let myConstant = 3.1415926
@@ -31,11 +22,12 @@ let label = "some text " + String(myVariable)     // Casting
 let piText = "Pi = \(myConstant)"                 // String interpolation
 var optionalString: String? = "optional"          // Can be nil
 optionalString = nil
-```
 
-## <a name="array"></a>Arrays and Dictionaries
 
-```js
+//
+// Arrays and Dictionaries
+//
+
 // Array
 var shoppingList = ["catfish", "water", "lemons"]
 shoppingList[1] = "bottle of water"
@@ -48,11 +40,12 @@ var occupations = [
 ]
 occupations["Jayne"] = "Public Relations"
 let emptyDictionary = Dictionary<String, Float>()
-```
 
-## <a name="control"></a>Control Flow
 
-```js
+//
+// Control Flow
+//
+
 // for loop (array)
 let myArray = [1, 1, 2, 3, 5]
 for value in myArray {
@@ -97,13 +90,15 @@ case let x where x.hasSuffix("pepper"):
 default: // required (in order to cover all possible input)
   let vegetableComment = "Everything tastes good in soup."
 }
-```
 
-## <a name="functions"></a>Functions
 
-Functions are a first-class type, meaning they can be nested in functions and can be passed around
+//
+// Functions
+//
+
+// Functions are a first-class type, meaning they can be nested
+// in functions and can be passed around
 
-```js
 // Function
 func greet(name: String, day: String) -> String {
   return "Hello \(name), today is \(day)."
@@ -127,13 +122,14 @@ func makeIncrementer() -> (Int -> Int) {
 }
 var increment = makeIncrementer()
 increment(7)
-```
 
-## <a name="closures"></a>Closures
 
-Functions are special case closures ({})
+//
+// Closures
+//
+
+// Functions are special case closures ({})
 
-```js
 // Closure example.
 // `->` separates the arguments and return type
 // `in` separates the closure header from the closure body
@@ -147,14 +143,16 @@ numbers.map({
 var numbers = [1, 2, 6]
 numbers = numbers.map({ number in 3 * number })
 print(numbers) // [3, 6, 18]
-```
 
-## <a name="classes"></a>Classes
 
-All methods and properties of a class are public. If you just need to store data
-in a structured object, you should use a `struct`
+//
+// Classes
+//
+
+// All methods and properties of a class are public.
+// If you just need to store data in a
+// structured object, you should use a `struct`
 
-```js
 // A simple class `Square` extends `Shape
 class Rect: Shape {
   var sideLength: Int = 1
@@ -189,15 +187,18 @@ print(mySquare.getArea()) // 25
 mySquare.shrink()
 print(mySquare.sideLength) // 4
 
-// If you don't need a custom getter and setter, but still want to run code
-// before an after getting or setting a property, you can use `willSet` and `didSet`
-```
+// If you don't need a custom getter and setter,
+// but still want to run code before an after getting or setting
+// a property, you can use `willSet` and `didSet`
 
-## <a name="enums"></a>Enums
 
-Enums can optionally be of a specific type or on their own. They can contain methods like classes.
+//
+// Enums
+//
+
+// Enums can optionally be of a specific type or on their own.
+// They can contain methods like classes.
 
-```js
 enum Suit {
   case Spades, Hearts, Diamonds, Clubs
   func getIcon() -> String {
@@ -209,16 +210,15 @@ enum Suit {
     }
   }
 }
-```
 
-## <a name="other"></a>Other
 
-- **`protocol`**: Similar to Java interfaces.
-- **`extension`s**: Add extra functionality to an already created type
-- **Generics**: Similar to Java. Use the `where` keyword to specify the requirements of the generics.
+//
+// Other
+//
 
-## <a name="links"></a>Links
+// `protocol`: Similar to Java interfaces.
+// `extension`s: Add extra functionality to an already created type
+// Generics: Similar to Java. Use the `where` keyword to specify the
+//   requirements of the generics.
 
-- [Homepage](https://developer.apple.com/swift/)
-- [Guide](https://developer.apple.com/library/prerelease/ios/referencelibrary/GettingStarted/LandingPage/index.html)
-- [Book](https://itunes.apple.com/us/book/the-swift-programming-language/id881256329?mt=11)
+```