Fixed code highlighting in tutorial

docs/tutorial.md

@@ -43,7 +43,8 @@ In this spirit, we'll start "from the outside in", and
 write our features before implementing them. A first draft might look
 something like the following:
 
-	Feature: Report Abuse
+```cucumber
+Feature: Report Abuse
 
 	As a website user
 	I want to report inappropriate content
@@ -55,6 +56,7 @@ something like the following:
 		When I select "Outdated"
 		And I press the button
 		Then I should see "Thanks for your submission"
+```
 
 The "syntax" conventions used here are called the 
 ["Gherkin" language](https://github.com/cucumber/cucumber/wiki/Gherkin).
@@ -76,12 +78,14 @@ so our next move is to review what's already available:
 The step definitions include form interactions, so we only
 need to adjust our steps a bit to make them executable.
 
-	Scenario: Report abuse through preselected options
+```cucumber
+Scenario: Report abuse through preselected options
 	Given I go to a page
 	Then I should see "Report this page"
 	When I select "Outdated" from "Reason"
 	And I press "Submit Report"
 	Then I should see "Thanks for your submission"
+```
 
 This type of refactoring is quite common, since step definitions
 are ideally abstracted and shared between features. In this case,
@@ -97,10 +101,12 @@ Each test run starts with a clean database, meaning there's no pages
 to open in a browser either. Let's fix this by defining one,
 and asking Behat to open it:
 
-	Scenario: Report abuse through preselected options
+```cucumber
+Scenario: Report abuse through preselected options
 	Given a "page" "My Page"
 	Given I go to the "page" "My Page"
 	...
+```
 
 ## SilverStripe Code
 
@@ -110,12 +116,12 @@ but overall we're creating a new `PageAbuseReport` class with
 a `has_one` relationship to `Page`. This new object gets written
 by a form generated through `Page_Controller->ReportForm()`.
 
-	```php
-	// mysite/code/Page.php
-	class Page extends SiteTree {
+```php
+// mysite/code/Page.php
+class Page extends SiteTree {
 	private static $has_many = array('PageAbuseReports' => 'PageAbuseReport');
-	}
-	class Page_Controller extends ContentController {
+}
+class Page_Controller extends ContentController {
 
 	// ...
 
@@ -150,29 +156,29 @@ by a form generated through `Page_Controller->ReportForm()`.
 		return $this->redirectBack();
 	}
 
-	}
-	```
+}
+```
 
-	```php
-	// mysite/code/PageAbuseReport.php
-	class PageAbuseReport extends DataObject {
+```php
+// mysite/code/PageAbuseReport.php
+class PageAbuseReport extends DataObject {
 	private static $db = array('Reason' => 'Text');
 	private static $has_one = array('Page' => 'Page');
-	}
-	```
+}
+```
 
 Now we just need to render the form on every page,
 by placing it at the bottom of `themes/simple/templates/Layout/Page.ss`:
 
-	```html
-	<div class="content-container unit size3of4 lastUnit">
+```html
+<div class="content-container unit size3of4 lastUnit">
 	<article>
 		<h1>$Title</h1>
 		<div class="content">$Content</div>
 	</article>
 	$ReportForm
-	</div>
-	```
+</div>
+```
 
 You can try out this feature in your browser without Behat.
 Don't forget to rebuild the database (`dev/build`) and flush the
@@ -193,23 +199,25 @@ and a clean slate on each run.
 
 At the end of our `report-abuse.feature` file, add the following:
 
-	Scenario: Report abuse through preselected options
+```cucumber
+Scenario: Report abuse through preselected options
 	...
 	Then I should see "Thanks for your submission"
 	And there should be an abuse report for "My Page" with reason "Outdated"
+```
 
 Running behat again will produce an undefined step, with a helpful PHP boilerplate
 to get us started:
 
-	```php
-	/**
+```php
+/**
  * @Given /^there should be an abuse report for "([^"]*)" with reason "([^"]*)"$/
  */
-    public function thereShouldBeAnAbuseReportForWithReason($arg1, $arg2)
-    {
+public function thereShouldBeAnAbuseReportForWithReason($arg1, $arg2)
+{
     throw new PendingException();
-    }
-	```
+}
+```
 
 This code can be placed in a "context" class which was created during our
 module initialization. Its located in 
@@ -231,16 +239,16 @@ so if you have done unit testing before the `assertEquals()` call might
 look familiar. Either way, it will throw an exception if there's
 not exactly one record found in the relation, and hence fail that step for Behat.
 
-	```php
-	/**
+```php
+/**
  * @Given /^there should be an abuse report for "([^"]*)" with reason "([^"]*)"$/
  */
-    public function thereShouldBeAnAbuseReportForWithReason($id, $reason)
-    {
+public function thereShouldBeAnAbuseReportForWithReason($id, $reason)
+{
     $page = $this->fixtureFactory->get('Page', $id);
     assertEquals(1, $page->PageAbuseReports()->filter('Reason', $reason)->Count());
-    }
-	```
+}
+```
 
 Re-run the Behat test one last time, and you should see it pass with
 a more solid feature definition. Success! If you want to get your hands dirty,