Merge pull request #777 from brson/ex

Fix spaces in example

Author: brson

_includes/example.rs

@@ -2,7 +2,7 @@ fn main() {
     let greetings = ["Hello", "Hola", "Bonjour",
                      "こんにちは", "您好"];
 
-    for (num,greeting) in greetings.iter().enumerate() {
+    for (num, greeting) in greetings.iter().enumerate() {
         println!("{}", greeting);
         match num {
             0 =>  println!("This code is editable and runnable!"),

_includes/example.rs.html

@@ -3,7 +3,7 @@
     <span class='kw'>let</span> greetings = [<span class='string'>"Hello"</span>, <span class='string'>"Hola"<span>, <span class='string'>"Bonjour"</span>,
                      <span class='string'>"こんにちは"</span>, <span class='string'>"您好"</span>];
 
-    <span class='kw'>for</span> (num,greeting) in greetings.iter().enumerate() {
+    <span class='kw'>for</span> (num, greeting) in greetings.iter().enumerate() {
         <span class='prelude-val'>println!</span>(<span class='string'>"{}"</span>, greeting);
         <span class='kw'>match</span> num {
             0 =>  <span class='prelude-val'>println!</span>(<span class='string'>"This code is editable and runnable!"</span>),