diff --git a/framework/yii/helpers/base/Html.php b/framework/yii/helpers/base/Html.php
index 8d1a384..043fc42 100644
--- a/framework/yii/helpers/base/Html.php
+++ b/framework/yii/helpers/base/Html.php
@@ -21,13 +21,7 @@ use yii\base\Model;
 class Html
 {
 	/**
-	 * @var boolean whether to close void (empty) elements. Defaults to true.
-	 * @see voidElements
-	 */
-	public static $closeVoidElements = true;
-	/**
 	 * @var array list of void elements (element name => 1)
-	 * @see closeVoidElements
 	 * @see http://www.w3.org/TR/html-markup/syntax.html#void-element
 	 */
 	public static $voidElements = array(
@@ -49,15 +43,8 @@ class Html
 		'wbr' => 1,
 	);
 	/**
-	 * @var boolean whether to show the values of boolean attributes in element tags.
-	 * If false, only the attribute names will be generated.
-	 * @see booleanAttributes
-	 */
-	public static $showBooleanAttributeValues = true;
-	/**
 	 * @var array list of boolean attributes. The presence of a boolean attribute on
 	 * an element represents the true value, and the absence of the attribute represents the false value.
-	 * @see showBooleanAttributeValues
 	 * @see http://www.w3.org/TR/html5/infrastructure.html#boolean-attributes
 	 */
 	public static $booleanAttributes = array(
@@ -165,12 +152,8 @@ class Html
 	 */
 	public static function tag($name, $content = '', $options = array())
 	{
-		$html = '<' . $name . static::renderTagAttributes($options);
-		if (isset(static::$voidElements[strtolower($name)])) {
-			return $html . (static::$closeVoidElements ? ' />' : '>');
-		} else {
-			return $html . ">$content</$name>";
-		}
+		$html = "<$name" . static::renderTagAttributes($options) . '>';
+		return isset(static::$voidElements[strtolower($name)]) ? $html : "$html$content</$name>";
 	}
 
 	/**
@@ -185,7 +168,7 @@ class Html
 	 */
 	public static function beginTag($name, $options = array())
 	{
-		return '<' . $name . static::renderTagAttributes($options) . '>';
+		return "<$name" . static::renderTagAttributes($options) . '>';
 	}
 
 	/**
@@ -201,16 +184,6 @@ class Html
 	}
 
 	/**
-	 * Encloses the given content within a CDATA tag.
-	 * @param string $content the content to be enclosed within the CDATA tag
-	 * @return string the CDATA tag with the enclosed content.
-	 */
-	public static function cdata($content)
-	{
-		return '<![CDATA[' . $content . ']]>';
-	}
-
-	/**
 	 * Generates a style tag.
 	 * @param string $content the style content
 	 * @param array $options the tag options in terms of name-value pairs. These will be rendered as
@@ -221,10 +194,7 @@ class Html
 	 */
 	public static function style($content, $options = array())
 	{
-		if (!isset($options['type'])) {
-			$options['type'] = 'text/css';
-		}
-		return static::tag('style', "/*<![CDATA[*/\n{$content}\n/*]]>*/", $options);
+		return static::tag('style', $content, $options);
 	}
 
 	/**
@@ -238,10 +208,7 @@ class Html
 	 */
 	public static function script($content, $options = array())
 	{
-		if (!isset($options['type'])) {
-			$options['type'] = 'text/javascript';
-		}
-		return static::tag('script', "/*<![CDATA[*/\n{$content}\n/*]]>*/", $options);
+		return static::tag('script', $content, $options);
 	}
 
 	/**
@@ -256,7 +223,6 @@ class Html
 	public static function cssFile($url, $options = array())
 	{
 		$options['rel'] = 'stylesheet';
-		$options['type'] = 'text/css';
 		$options['href'] = static::url($url);
 		return static::tag('link', '', $options);
 	}
@@ -272,7 +238,6 @@ class Html
 	 */
 	public static function jsFile($url, $options = array())
 	{
-		$options['type'] = 'text/javascript';
 		$options['src'] = static::url($url);
 		return static::tag('script', '', $options);
 	}
@@ -313,7 +278,10 @@ class Html
 			// we use hidden fields to add them back
 			foreach (explode('&', substr($action, $pos + 1)) as $pair) {
 				if (($pos1 = strpos($pair, '=')) !== false) {
-					$hiddenInputs[] = static::hiddenInput(urldecode(substr($pair, 0, $pos1)), urldecode(substr($pair, $pos1 + 1)));
+					$hiddenInputs[] = static::hiddenInput(
+						urldecode(substr($pair, 0, $pos1)),
+						urldecode(substr($pair, $pos1 + 1))
+					);
 				} else {
 					$hiddenInputs[] = static::hiddenInput(urldecode($pair), '');
 				}
@@ -395,7 +363,7 @@ class Html
 		if (!isset($options['alt'])) {
 			$options['alt'] = '';
 		}
-		return static::tag('img', null, $options);
+		return static::tag('img', '', $options);
 	}
 
 	/**
@@ -424,14 +392,10 @@ class Html
 	 * @param array $options the tag options in terms of name-value pairs. These will be rendered as
 	 * the attributes of the resulting tag. The values will be HTML-encoded using [[encode()]].
 	 * If a value is null, the corresponding attribute will not be rendered.
-	 * If the options does not contain "type", a "type" attribute with value "button" will be rendered.
 	 * @return string the generated button tag
 	 */
 	public static function button($content = 'Button', $options = array())
 	{
-		if (!isset($options['type'])) {
-			$options['type'] = 'button';
-		}
 		return static::tag('button', $content, $options);
 	}
 
@@ -482,7 +446,7 @@ class Html
 		$options['type'] = $type;
 		$options['name'] = $name;
 		$options['value'] = $value;
-		return static::tag('input', null, $options);
+		return static::tag('input', '', $options);
 	}
 
 	/**
@@ -497,7 +461,7 @@ class Html
 	{
 		$options['type'] = 'button';
 		$options['value'] = $label;
-		return static::tag('input', null, $options);
+		return static::tag('input', '', $options);
 	}
 
 	/**
@@ -512,7 +476,7 @@ class Html
 	{
 		$options['type'] = 'submit';
 		$options['value'] = $label;
-		return static::tag('input', null, $options);
+		return static::tag('input', '', $options);
 	}
 
 	/**
@@ -526,7 +490,7 @@ class Html
 	{
 		$options['type'] = 'reset';
 		$options['value'] = $label;
-		return static::tag('input', null, $options);
+		return static::tag('input', '', $options);
 	}
 
 	/**
@@ -1315,7 +1279,7 @@ class Html
 		foreach ($attributes as $name => $value) {
 			if (isset(static::$booleanAttributes[strtolower($name)])) {
 				if ($value || strcasecmp($name, $value) === 0) {
-					$html .= static::$showBooleanAttributeValues ? " $name=\"$name\"" : " $name";
+					$html .= " $name";
 				}
 			} elseif ($value !== null) {
 				$html .= " $name=\"" . static::encode($value) . '"';
diff --git a/tests/unit/framework/base/FormatterTest.php b/tests/unit/framework/base/FormatterTest.php
index e9a909f..87a41c9 100644
--- a/tests/unit/framework/base/FormatterTest.php
+++ b/tests/unit/framework/base/FormatterTest.php
@@ -96,7 +96,7 @@ class FormatterTest extends TestCase
 	public function testAsImage()
 	{
 		$value = 'http://sample.com/img.jpg';
-		$this->assertSame("<img src=\"$value\" alt=\"\" />", $this->formatter->asImage($value));
+		$this->assertSame("<img src=\"$value\" alt=\"\">", $this->formatter->asImage($value));
 	}
 
 	public function testAsBoolean()
diff --git a/tests/unit/framework/helpers/HtmlTest.php b/tests/unit/framework/helpers/HtmlTest.php
index 28cc86f..14f7fc3 100644
--- a/tests/unit/framework/helpers/HtmlTest.php
+++ b/tests/unit/framework/helpers/HtmlTest.php
@@ -44,24 +44,11 @@ class HtmlTest extends TestCase
 
 	public function testTag()
 	{
-		$this->assertEquals('<br />', Html::tag('br'));
-		$this->assertEquals('<span></span>', Html::tag('span'));
-		$this->assertEquals('<div>content</div>', Html::tag('div', 'content'));
-		$this->assertEquals('<input type="text" name="test" value="&lt;&gt;" />', Html::tag('input', '', array('type' => 'text', 'name' => 'test', 'value' => '<>')));
-
-		Html::$closeVoidElements = false;
-
 		$this->assertEquals('<br>', Html::tag('br'));
 		$this->assertEquals('<span></span>', Html::tag('span'));
 		$this->assertEquals('<div>content</div>', Html::tag('div', 'content'));
 		$this->assertEquals('<input type="text" name="test" value="&lt;&gt;">', Html::tag('input', '', array('type' => 'text', 'name' => 'test', 'value' => '<>')));
-
-		Html::$closeVoidElements = true;
-
-		$this->assertEquals('<span disabled="disabled"></span>', Html::tag('span', '', array('disabled' => true)));
-		Html::$showBooleanAttributeValues = false;
 		$this->assertEquals('<span disabled></span>', Html::tag('span', '', array('disabled' => true)));
-		Html::$showBooleanAttributeValues = true;
 	}
 
 	public function testBeginTag()
@@ -76,36 +63,30 @@ class HtmlTest extends TestCase
 		$this->assertEquals('</span>', Html::endTag('span'));
 	}
 
-	public function testCdata()
-	{
-		$data = 'test<>';
-		$this->assertEquals('<![CDATA[' . $data . ']]>', Html::cdata($data));
-	}
-
 	public function testStyle()
 	{
 		$content = 'a <>';
-		$this->assertEquals("<style type=\"text/css\">/*<![CDATA[*/\n{$content}\n/*]]>*/</style>", Html::style($content));
-		$this->assertEquals("<style type=\"text/less\">/*<![CDATA[*/\n{$content}\n/*]]>*/</style>", Html::style($content, array('type' => 'text/less')));
+		$this->assertEquals("<style>$content</style>", Html::style($content));
+		$this->assertEquals("<style type=\"text/less\">$content</style>", Html::style($content, array('type' => 'text/less')));
 	}
 
 	public function testScript()
 	{
 		$content = 'a <>';
-		$this->assertEquals("<script type=\"text/javascript\">/*<![CDATA[*/\n{$content}\n/*]]>*/</script>", Html::script($content));
-		$this->assertEquals("<script type=\"text/js\">/*<![CDATA[*/\n{$content}\n/*]]>*/</script>", Html::script($content, array('type' => 'text/js')));
+		$this->assertEquals("<script>$content</script>", Html::script($content));
+		$this->assertEquals("<script type=\"text/js\">$content</script>", Html::script($content, array('type' => 'text/js')));
 	}
 
 	public function testCssFile()
 	{
-		$this->assertEquals('<link type="text/css" href="http://example.com" rel="stylesheet" />', Html::cssFile('http://example.com'));
-		$this->assertEquals('<link type="text/css" href="/test" rel="stylesheet" />', Html::cssFile(''));
+		$this->assertEquals('<link href="http://example.com" rel="stylesheet">', Html::cssFile('http://example.com'));
+		$this->assertEquals('<link href="/test" rel="stylesheet">', Html::cssFile(''));
 	}
 
 	public function testJsFile()
 	{
-		$this->assertEquals('<script type="text/javascript" src="http://example.com"></script>', Html::jsFile('http://example.com'));
-		$this->assertEquals('<script type="text/javascript" src="/test"></script>', Html::jsFile(''));
+		$this->assertEquals('<script src="http://example.com"></script>', Html::jsFile('http://example.com'));
+		$this->assertEquals('<script src="/test"></script>', Html::jsFile(''));
 	}
 
 	public function testBeginForm()
@@ -113,8 +94,8 @@ class HtmlTest extends TestCase
 		$this->assertEquals('<form action="/test" method="post">', Html::beginForm());
 		$this->assertEquals('<form action="/example" method="get">', Html::beginForm('/example', 'get'));
 		$hiddens = array(
-			'<input type="hidden" name="id" value="1" />',
-			'<input type="hidden" name="title" value="&lt;" />',
+			'<input type="hidden" name="id" value="1">',
+			'<input type="hidden" name="title" value="&lt;">',
 		);
 		$this->assertEquals('<form action="/example" method="get">' . "\n" . implode("\n", $hiddens), Html::beginForm('/example?id=1&title=%3C', 'get'));
 	}
@@ -139,9 +120,9 @@ class HtmlTest extends TestCase
 
 	public function testImg()
 	{
-		$this->assertEquals('<img src="/example" alt="" />', Html::img('/example'));
-		$this->assertEquals('<img src="/test" alt="" />', Html::img(''));
-		$this->assertEquals('<img src="/example" width="10" alt="something" />', Html::img('/example', array('alt' => 'something', 'width' => 10)));
+		$this->assertEquals('<img src="/example" alt="">', Html::img('/example'));
+		$this->assertEquals('<img src="/test" alt="">', Html::img(''));
+		$this->assertEquals('<img src="/example" width="10" alt="something">', Html::img('/example', array('alt' => 'something', 'width' => 10)));
 	}
 
 	public function testLabel()
@@ -153,8 +134,8 @@ class HtmlTest extends TestCase
 
 	public function testButton()
 	{
-		$this->assertEquals('<button type="button">Button</button>', Html::button());
-		$this->assertEquals('<button type="button" name="test" value="value">content<></button>', Html::button('content<>', array('name' => 'test', 'value' => 'value')));
+		$this->assertEquals('<button>Button</button>', Html::button());
+		$this->assertEquals('<button name="test" value="value">content<></button>', Html::button('content<>', array('name' => 'test', 'value' => 'value')));
 		$this->assertEquals('<button type="submit" class="t" name="test" value="value">content<></button>', Html::button('content<>', array('type' => 'submit', 'name' => 'test', 'value' => 'value', 'class' => "t")));
 	}
 
@@ -172,50 +153,50 @@ class HtmlTest extends TestCase
 
 	public function testInput()
 	{
-		$this->assertEquals('<input type="text" />', Html::input('text'));
-		$this->assertEquals('<input type="text" class="t" name="test" value="value" />', Html::input('text', 'test', 'value', array('class' => 't')));
+		$this->assertEquals('<input type="text">', Html::input('text'));
+		$this->assertEquals('<input type="text" class="t" name="test" value="value">', Html::input('text', 'test', 'value', array('class' => 't')));
 	}
 
 	public function testButtonInput()
 	{
-		$this->assertEquals('<input type="button" value="Button" />', Html::buttonInput());
-		$this->assertEquals('<input type="button" class="a" name="test" value="text" />', Html::buttonInput('text', array('name' => 'test', 'class' => 'a')));
+		$this->assertEquals('<input type="button" value="Button">', Html::buttonInput());
+		$this->assertEquals('<input type="button" class="a" name="test" value="text">', Html::buttonInput('text', array('name' => 'test', 'class' => 'a')));
 	}
 
 	public function testSubmitInput()
 	{
-		$this->assertEquals('<input type="submit" value="Submit" />', Html::submitInput());
-		$this->assertEquals('<input type="submit" class="a" name="test" value="text" />', Html::submitInput('text', array('name' => 'test', 'class' => 'a')));
+		$this->assertEquals('<input type="submit" value="Submit">', Html::submitInput());
+		$this->assertEquals('<input type="submit" class="a" name="test" value="text">', Html::submitInput('text', array('name' => 'test', 'class' => 'a')));
 	}
 
 	public function testResetInput()
 	{
-		$this->assertEquals('<input type="reset" value="Reset" />', Html::resetInput());
-		$this->assertEquals('<input type="reset" class="a" name="test" value="text" />', Html::resetInput('text', array('name' => 'test', 'class' => 'a')));
+		$this->assertEquals('<input type="reset" value="Reset">', Html::resetInput());
+		$this->assertEquals('<input type="reset" class="a" name="test" value="text">', Html::resetInput('text', array('name' => 'test', 'class' => 'a')));
 	}
 
 	public function testTextInput()
 	{
-		$this->assertEquals('<input type="text" name="test" />', Html::textInput('test'));
-		$this->assertEquals('<input type="text" class="t" name="test" value="value" />', Html::textInput('test', 'value', array('class' => 't')));
+		$this->assertEquals('<input type="text" name="test">', Html::textInput('test'));
+		$this->assertEquals('<input type="text" class="t" name="test" value="value">', Html::textInput('test', 'value', array('class' => 't')));
 	}
 
 	public function testHiddenInput()
 	{
-		$this->assertEquals('<input type="hidden" name="test" />', Html::hiddenInput('test'));
-		$this->assertEquals('<input type="hidden" class="t" name="test" value="value" />', Html::hiddenInput('test', 'value', array('class' => 't')));
+		$this->assertEquals('<input type="hidden" name="test">', Html::hiddenInput('test'));
+		$this->assertEquals('<input type="hidden" class="t" name="test" value="value">', Html::hiddenInput('test', 'value', array('class' => 't')));
 	}
 
 	public function testPasswordInput()
 	{
-		$this->assertEquals('<input type="password" name="test" />', Html::passwordInput('test'));
-		$this->assertEquals('<input type="password" class="t" name="test" value="value" />', Html::passwordInput('test', 'value', array('class' => 't')));
+		$this->assertEquals('<input type="password" name="test">', Html::passwordInput('test'));
+		$this->assertEquals('<input type="password" class="t" name="test" value="value">', Html::passwordInput('test', 'value', array('class' => 't')));
 	}
 
 	public function testFileInput()
 	{
-		$this->assertEquals('<input type="file" name="test" />', Html::fileInput('test'));
-		$this->assertEquals('<input type="file" class="t" name="test" value="value" />', Html::fileInput('test', 'value', array('class' => 't')));
+		$this->assertEquals('<input type="file" name="test">', Html::fileInput('test'));
+		$this->assertEquals('<input type="file" class="t" name="test" value="value">', Html::fileInput('test', 'value', array('class' => 't')));
 	}
 
 	public function testTextarea()
@@ -226,16 +207,16 @@ class HtmlTest extends TestCase
 
 	public function testRadio()
 	{
-		$this->assertEquals('<input type="radio" name="test" value="1" />', Html::radio('test'));
-		$this->assertEquals('<input type="radio" class="a" name="test" checked="checked" />', Html::radio('test', true, array('class' => 'a', 'value' => null)));
-		$this->assertEquals('<input type="hidden" name="test" value="0" /><input type="radio" class="a" name="test" value="2" checked="checked" />', Html::radio('test', true, array('class' => 'a' , 'uncheck' => '0', 'value' => 2)));
+		$this->assertEquals('<input type="radio" name="test" value="1">', Html::radio('test'));
+		$this->assertEquals('<input type="radio" class="a" name="test" checked>', Html::radio('test', true, array('class' => 'a', 'value' => null)));
+		$this->assertEquals('<input type="hidden" name="test" value="0"><input type="radio" class="a" name="test" value="2" checked>', Html::radio('test', true, array('class' => 'a' , 'uncheck' => '0', 'value' => 2)));
 	}
 
 	public function testCheckbox()
 	{
-		$this->assertEquals('<input type="checkbox" name="test" value="1" />', Html::checkbox('test'));
-		$this->assertEquals('<input type="checkbox" class="a" name="test" checked="checked" />', Html::checkbox('test', true, array('class' => 'a', 'value' => null)));
-		$this->assertEquals('<input type="hidden" name="test" value="0" /><input type="checkbox" class="a" name="test" value="2" checked="checked" />', Html::checkbox('test', true, array('class' => 'a', 'uncheck' => '0', 'value' => 2)));
+		$this->assertEquals('<input type="checkbox" name="test" value="1">', Html::checkbox('test'));
+		$this->assertEquals('<input type="checkbox" class="a" name="test" checked>', Html::checkbox('test', true, array('class' => 'a', 'value' => null)));
+		$this->assertEquals('<input type="hidden" name="test" value="0"><input type="checkbox" class="a" name="test" value="2" checked>', Html::checkbox('test', true, array('class' => 'a', 'uncheck' => '0', 'value' => 2)));
 	}
 
 	public function testDropDownList()
@@ -256,7 +237,7 @@ EOD;
 		$expected = <<<EOD
 <select name="test">
 <option value="value1">text1</option>
-<option value="value2" selected="selected">text2</option>
+<option value="value2" selected>text2</option>
 </select>
 EOD;
 		$this->assertEqualsWithoutLE($expected, Html::dropDownList('test', 'value2', $this->getDataItems()));
@@ -287,26 +268,26 @@ EOD;
 		$expected = <<<EOD
 <select name="test" size="4">
 <option value="value1">text1</option>
-<option value="value2" selected="selected">text2</option>
+<option value="value2" selected>text2</option>
 </select>
 EOD;
 		$this->assertEqualsWithoutLE($expected, Html::listBox('test', 'value2', $this->getDataItems()));
 		$expected = <<<EOD
 <select name="test" size="4">
-<option value="value1" selected="selected">text1</option>
-<option value="value2" selected="selected">text2</option>
+<option value="value1" selected>text1</option>
+<option value="value2" selected>text2</option>
 </select>
 EOD;
 		$this->assertEqualsWithoutLE($expected, Html::listBox('test', array('value1', 'value2'), $this->getDataItems()));
 
 		$expected = <<<EOD
-<select name="test[]" multiple="multiple" size="4">
+<select name="test[]" multiple size="4">
 
 </select>
 EOD;
 		$this->assertEqualsWithoutLE($expected, Html::listBox('test', null, array(), array('multiple' => true)));
 		$expected = <<<EOD
-<input type="hidden" name="test" value="0" /><select name="test" size="4">
+<input type="hidden" name="test" value="0"><select name="test" size="4">
 
 </select>
 EOD;
@@ -318,29 +299,29 @@ EOD;
 		$this->assertEquals('', Html::checkboxList('test'));
 
 		$expected = <<<EOD
-<label><input type="checkbox" name="test[]" value="value1" /> text1</label>
-<label><input type="checkbox" name="test[]" value="value2" checked="checked" /> text2</label>
+<label><input type="checkbox" name="test[]" value="value1"> text1</label>
+<label><input type="checkbox" name="test[]" value="value2" checked> text2</label>
 EOD;
 		$this->assertEqualsWithoutLE($expected, Html::checkboxList('test', array('value2'), $this->getDataItems()));
 
 		$expected = <<<EOD
-<label><input type="checkbox" name="test[]" value="value1&lt;&gt;" /> text1<></label>
-<label><input type="checkbox" name="test[]" value="value  2" /> text  2</label>
+<label><input type="checkbox" name="test[]" value="value1&lt;&gt;"> text1<></label>
+<label><input type="checkbox" name="test[]" value="value  2"> text  2</label>
 EOD;
 		$this->assertEqualsWithoutLE($expected, Html::checkboxList('test', array('value2'), $this->getDataItems2()));
 
 		$expected = <<<EOD
-<input type="hidden" name="test" value="0" /><label><input type="checkbox" name="test[]" value="value1" /> text1</label><br />
-<label><input type="checkbox" name="test[]" value="value2" checked="checked" /> text2</label>
+<input type="hidden" name="test" value="0"><label><input type="checkbox" name="test[]" value="value1"> text1</label><br>
+<label><input type="checkbox" name="test[]" value="value2" checked> text2</label>
 EOD;
 		$this->assertEqualsWithoutLE($expected, Html::checkboxList('test', array('value2'), $this->getDataItems(), array(
-			'separator' => "<br />\n",
+			'separator' => "<br>\n",
 			'unselect' => '0',
 		)));
 
 		$expected = <<<EOD
-0<label>text1 <input type="checkbox" name="test[]" value="value1" /></label>
-1<label>text2 <input type="checkbox" name="test[]" value="value2" checked="checked" /></label>
+0<label>text1 <input type="checkbox" name="test[]" value="value1"></label>
+1<label>text2 <input type="checkbox" name="test[]" value="value2" checked></label>
 EOD;
 		$this->assertEqualsWithoutLE($expected, Html::checkboxList('test', array('value2'), $this->getDataItems(), array(
 			'item' => function ($index, $label, $name, $checked, $value) {
@@ -354,29 +335,29 @@ EOD;
 		$this->assertEquals('', Html::radioList('test'));
 
 		$expected = <<<EOD
-<label><input type="radio" name="test" value="value1" /> text1</label>
-<label><input type="radio" name="test" value="value2" checked="checked" /> text2</label>
+<label><input type="radio" name="test" value="value1"> text1</label>
+<label><input type="radio" name="test" value="value2" checked> text2</label>
 EOD;
 		$this->assertEqualsWithoutLE($expected, Html::radioList('test', array('value2'), $this->getDataItems()));
 
 		$expected = <<<EOD
-<label><input type="radio" name="test" value="value1&lt;&gt;" /> text1<></label>
-<label><input type="radio" name="test" value="value  2" /> text  2</label>
+<label><input type="radio" name="test" value="value1&lt;&gt;"> text1<></label>
+<label><input type="radio" name="test" value="value  2"> text  2</label>
 EOD;
 		$this->assertEqualsWithoutLE($expected, Html::radioList('test',  array('value2'), $this->getDataItems2()));
 
 		$expected = <<<EOD
-<input type="hidden" name="test" value="0" /><label><input type="radio" name="test" value="value1" /> text1</label><br />
-<label><input type="radio" name="test" value="value2" checked="checked" /> text2</label>
+<input type="hidden" name="test" value="0"><label><input type="radio" name="test" value="value1"> text1</label><br>
+<label><input type="radio" name="test" value="value2" checked> text2</label>
 EOD;
 		$this->assertEqualsWithoutLE($expected, Html::radioList('test', array('value2'), $this->getDataItems(), array(
-			'separator' => "<br />\n",
+			'separator' => "<br>\n",
 			'unselect' => '0',
 		)));
 
 		$expected = <<<EOD
-0<label>text1 <input type="radio" name="test" value="value1" /></label>
-1<label>text2 <input type="radio" name="test" value="value2" checked="checked" /></label>
+0<label>text1 <input type="radio" name="test" value="value1"></label>
+1<label>text2 <input type="radio" name="test" value="value2" checked></label>
 EOD;
 		$this->assertEqualsWithoutLE($expected, Html::radioList('test', array('value2'), $this->getDataItems(), array(
 			'item' => function ($index, $label, $name, $checked, $value) {
@@ -401,11 +382,11 @@ EOD;
 		);
 		$expected = <<<EOD
 <option value="">please&nbsp;select&lt;&gt;</option>
-<option value="value1" selected="selected">label1</option>
+<option value="value1" selected>label1</option>
 <optgroup label="group1">
 <option value="value11">label11</option>
 <optgroup label="group11">
-<option class="option" value="value111" selected="selected">label111</option>
+<option class="option" value="value111" selected>label111</option>
 </optgroup>
 <optgroup class="group" label="group12">
 
@@ -432,9 +413,7 @@ EOD;
 	{
 		$this->assertEquals('', Html::renderTagAttributes(array()));
 		$this->assertEquals(' name="test" value="1&lt;&gt;"', Html::renderTagAttributes(array('name' => 'test', 'empty' => null, 'value' => '1<>')));
-		Html::$showBooleanAttributeValues = false;
 		$this->assertEquals(' checked disabled', Html::renderTagAttributes(array('checked' => 'checked', 'disabled' => true, 'hidden' => false)));
-		Html::$showBooleanAttributeValues = true;
 	}
 
 	public function testAddCssClass()