correct target attribute for postLinks

lib/Cake/Test/Case/View/Helper/FormHelperTest.php

@@ -6317,6 +6317,19 @@ class FormHelperTest extends CakeTestCase {
 
 		$result = $this->Form->postLink('Delete', '/posts/delete', array('data' => array('id' => 1)));
 		$this->assertContains('<input type="hidden" name="data[id]" value="1"/>', $result);
+
+		$result = $this->Form->postLink('Delete', '/posts/delete/1', array('target' => '_blank'));
+		$this->assertTags($result, array(
+			'form' => array(
+				'method' => 'post', 'target' => '_blank', 'action' => '/posts/delete/1',
+				'name' => 'preg:/post_\w+/', 'id' => 'preg:/post_\w+/', 'style' => 'display:none;'
+			),
+			'input' => array('type' => 'hidden', 'name' => '_method', 'value' => 'POST'),
+			'/form',
+			'a' => array('href' => '#', 'onclick' => 'preg:/document\.post_\w+\.submit\(\); event\.returnValue = false; return false;/'),
+			'Delete',
+			'/a'
+		));
 	}
 
 /**

lib/Cake/View/Helper/FormHelper.php

@@ -1720,12 +1720,18 @@ class FormHelper extends AppHelper {
 
 		$formName = uniqid('post_');
 		$formUrl = $this->url($url);
-		$out = $this->Html->useTag('form', $formUrl, array(
+		$formOptions = array(
 			'name' => $formName,
 			'id' => $formName,
 			'style' => 'display:none;',
-			'method' => 'post'
-		));
+			'method' => 'post',
+		);
+		if (isset($options['target'])) {
+			$formOptions['target'] = $options['target'];
+			unset($options['target']);
+		}
+
+		$out = $this->Html->useTag('form', $formUrl, $formOptions);
 		$out .= $this->Html->useTag('hidden', '_method', array(
 			'value' => $requestMethod
 		));