Fixes #3325: fixed generated markup for conditional comments

framework/helpers/BaseHtml.php

@@ -216,7 +216,7 @@ class BaseHtml
         if (isset($options['condition'])) {
             $condition = $options['condition'];
             unset($options['condition']);
-            return "<!--[if $condition]-->\n" . static::tag('link', '', $options) . "\n<![endif]-->";
+            return "<!--[if $condition]>\n" . static::tag('link', '', $options) . "\n<![endif]-->";
         } else {
             return static::tag('link', '', $options);
         }
@@ -243,7 +243,7 @@ class BaseHtml
         if (isset($options['condition'])) {
             $condition = $options['condition'];
             unset($options['condition']);
-            return "<!--[if $condition]-->\n" . static::tag('script', '', $options) . "\n<![endif]-->";
+            return "<!--[if $condition]>\n" . static::tag('script', '', $options) . "\n<![endif]-->";
         } else {
             return static::tag('script', '', $options);
         }

tests/unit/framework/helpers/HtmlTest.php

@@ -85,14 +85,14 @@ class HtmlTest extends TestCase
     {
         $this->assertEquals('<link href="http://example.com" rel="stylesheet">', Html::cssFile('http://example.com'));
         $this->assertEquals('<link href="/test" rel="stylesheet">', Html::cssFile(''));
-        $this->assertEquals("<!--[if IE 9]-->\n" . '<link href="http://example.com" rel="stylesheet">' . "\n<![endif]-->", Html::cssFile('http://example.com', ['condition' => 'IE 9']));
+        $this->assertEquals("<!--[if IE 9]>\n" . '<link href="http://example.com" rel="stylesheet">' . "\n<![endif]-->", Html::cssFile('http://example.com', ['condition' => 'IE 9']));
     }
 
     public function testJsFile()
     {
         $this->assertEquals('<script src="http://example.com"></script>', Html::jsFile('http://example.com'));
         $this->assertEquals('<script src="/test"></script>', Html::jsFile(''));
-        $this->assertEquals("<!--[if IE 9]-->\n" . '<script src="http://example.com"></script>' . "\n<![endif]-->", Html::jsFile('http://example.com', ['condition' => 'IE 9']));
+        $this->assertEquals("<!--[if IE 9]>\n" . '<script src="http://example.com"></script>' . "\n<![endif]-->", Html::jsFile('http://example.com', ['condition' => 'IE 9']));
     }
 
     public function testBeginForm()