diff --git a/phpBB/adm/style/acp_ext_details.html b/phpBB/adm/style/acp_ext_details.html
index b8302de329..776c44711c 100644
--- a/phpBB/adm/style/acp_ext_details.html
+++ b/phpBB/adm/style/acp_ext_details.html
@@ -1,93 +1,93 @@
-<!-- INCLUDE overall_header.html -->
-
-<a name="maincontent"></a>
-
-	<h1>{L_EXTENSIONS_ADMIN}</h1>
-
-	<p>{L_EXTENSIONS_EXPLAIN}</p>
-
-	<fieldset>
-		<legend>{L_EXT_DETAILS}</legend>
-		<dl>
-			<dt><label for="md_display_name">{L_DISPLAY_NAME}:</label></dt>
-			<dd><strong id="md_display_name">{MD_DISPLAY_NAME}</strong></dd>
-		</dl>
-		<dl>
-			<dt><label for="md_name">{L_CLEAN_NAME}:</label></dt>
-			<dd><strong id="md_name">{MD_NAME}</strong></dd>
-		</dl>
-		<dl>
-			<dt><label for="md_type">{L_TYPE}:</label></dt>
-			<dd><p id="md_type">{MD_TYPE}</p></dd>
-		</dl>
-		<dl>
-			<dt><label for="md_description">{L_DESCRIPTION}:</label></dt>
-			<dd><p id="md_description">{MD_DESCRIPTION}</p></dd>
-		</dl>
-		<dl>
-			<dt><label for="md_version">{L_VERSION}:</label></dt>
-			<dd><p id="md_version">{MD_VERSION}</p></dd>
-		</dl>
-		<dl>
-			<dt><label for="md_homepage">{L_HOMEPAGE}:</label></dt>
-			<dd><p id="md_homepage">{MD_HOMEPAGE}</p></dd>
-		</dl>
-<!-- 		<dl>
-			<dt><label for="path">{L_PATH}:</label></dt>
-			<dd><p id="path">{PATH}</p></dd>
-		</dl> -->
-		<dl>
-			<dt><label for="md_time">{L_TIME}:</label></dt>
-			<dd><p id="md_time">{MD_TIME}</p></dd>
-		</dl>
-		<dl>
-			<dt><label for="md_license">{L_LICENSE}:</label></dt>
-			<dd><p id="md_license">{MD_LICENSE}</p></dd>
-		</dl>
-	</fieldset>
-	
-	<fieldset>
-		<legend>{L_REQUIREMENTS}</legend>
-		<!-- IF MD_REQUIRE_PHPBB -->
-		<dl>
-			<dt><label for="require_phpbb">{L_PHPBB_VERSION}:</label></dt>
-			<dd><p id="require_phpbb">{MD_REQUIRE_PHPBB}</p></dd>
-		</dl>
-		<!-- ENDIF -->
-		<!-- IF MD_REQUIRE_PHP -->
-		<dl>
-			<dt><label for="require_php">{L_PHP_VERSION}:</label></dt>
-			<dd><p id="require_php">{MD_REQUIRE_PHP}</p></dd>
-		</dl>
-		<!-- ENDIF -->
-	</fieldset>
-
-	<fieldset>
-		<legend>{L_AUTHOR_INFORMATION}</legend>
-		<!-- BEGIN md_authors -->
-		<dl>
-			<dt><label for="md_author_name">{L_AUTHOR_NAME}:</label></dt>
-			<dd><strong id="md_author_name">{md_authors.AUTHOR_NAME}</strong></dd>
-		</dl>
-		<!-- IF md_authors.AUTHOR_EMAIL -->
-		<dl>
-			<dt><label for="md_author_email">{L_AUTHOR_EMAIL}:</label></dt>
-			<dd><strong id="md_author_email"><a href="mailto:{md_authors.AUTHOR_EMAIL}">{md_authors.AUTHOR_EMAIL}</a></strong></dd>
-		</dl>
-		<!-- ENDIF -->
-		<!-- IF md_authors.AUTHOR_HOMEPAGE -->
-		<dl>
-			<dt><label for="md_author_url">{L_AUTHOR_HOMEPAGE}:</label></dt>
-			<dd><strong id="md_author_url"><a href="{md_authors.AUTHOR_HOMEPAGE}">{md_authors.AUTHOR_HOMEPAGE}</a></strong></dd>
-		</dl>
-		<!-- ENDIF -->
-		<!-- IF md_authors.AUTHOR_ROLE -->
-		<dl>
-			<dt><label for="author_role">{L_AUTHOR_ROLE}:</label></dt>
-			<dd><strong id="md_author_role">{md_authors.AUTHOR_ROLE}</strong></dd>
-		</dl>
-		<!-- ENDIF -->
-		<!-- END md_authors -->
-	</fieldset>
-	
-<!-- INCLUDE overall_footer.html -->
+<!-- INCLUDE overall_header.html -->
+
+<a name="maincontent"></a>
+
+	<h1>{L_EXTENSIONS_ADMIN}</h1>
+
+	<fieldset>
+		<legend>{L_EXT_DETAILS}</legend>
+		<dl>
+			<dt><label for="md_display_name">{L_DISPLAY_NAME}:</label></dt>
+			<dd><strong id="md_display_name">{MD_DISPLAY_NAME}</strong></dd>
+		</dl>
+		<dl>
+			<dt><label for="md_name">{L_CLEAN_NAME}:</label></dt>
+			<dd><strong id="md_name">{MD_NAME}</strong></dd>
+		</dl>
+		<dl>
+			<dt><label for="md_type">{L_TYPE}:</label></dt>
+			<dd><p id="md_type">{MD_TYPE}</p></dd>
+		</dl>
+		<dl>
+			<dt><label for="md_description">{L_DESCRIPTION}:</label></dt>
+			<dd><p id="md_description">{MD_DESCRIPTION}</p></dd>
+		</dl>
+		<dl>
+			<dt><label for="md_version">{L_VERSION}:</label></dt>
+			<dd><p id="md_version">{MD_VERSION}</p></dd>
+		</dl>
+		<dl>
+			<dt><label for="md_homepage">{L_HOMEPAGE}:</label></dt>
+			<dd><p id="md_homepage">{MD_HOMEPAGE}</p></dd>
+		</dl>
+<!-- 		<dl>
+			<dt><label for="path">{L_PATH}:</label></dt>
+			<dd><p id="path">{PATH}</p></dd>
+		</dl> -->
+		<dl>
+			<dt><label for="md_time">{L_TIME}:</label></dt>
+			<dd><p id="md_time">{MD_TIME}</p></dd>
+		</dl>
+		<dl>
+			<dt><label for="md_license">{L_LICENCE}:</label></dt>
+			<dd><p id="md_license">{MD_LICENCE}</p></dd>
+		</dl>
+	</fieldset>
+	
+	<fieldset>
+		<legend>{L_REQUIREMENTS}</legend>
+		<!-- IF MD_REQUIRE_PHPBB -->
+		<dl>
+			<dt><label for="require_phpbb">{L_PHPBB_VERSION}:</label></dt>
+			<dd><p id="require_phpbb">{MD_REQUIRE_PHPBB}</p></dd>
+		</dl>
+		<!-- ENDIF -->
+		<!-- IF MD_REQUIRE_PHP -->
+		<dl>
+			<dt><label for="require_php">{L_PHP_VERSION}:</label></dt>
+			<dd><p id="require_php">{MD_REQUIRE_PHP}</p></dd>
+		</dl>
+		<!-- ENDIF -->
+	</fieldset>
+
+	<fieldset>
+		<legend>{L_AUTHOR_INFORMATION}</legend>
+		<!-- BEGIN md_authors -->
+		<dl>
+			<dt><label for="md_author_name">{L_AUTHOR_NAME}:</label></dt>
+			<dd><strong id="md_author_name">{md_authors.AUTHOR_NAME}</strong></dd>
+		</dl>
+		<!-- IF md_authors.AUTHOR_EMAIL -->
+		<dl>
+			<dt><label for="md_author_email">{L_AUTHOR_EMAIL}:</label></dt>
+			<dd><strong id="md_author_email"><a href="mailto:{md_authors.AUTHOR_EMAIL}">{md_authors.AUTHOR_EMAIL}</a></strong></dd>
+		</dl>
+		<!-- ENDIF -->
+		<!-- IF md_authors.AUTHOR_HOMEPAGE -->
+		<dl>
+			<dt><label for="md_author_url">{L_AUTHOR_HOMEPAGE}:</label></dt>
+			<dd><strong id="md_author_url"><a href="{md_authors.AUTHOR_HOMEPAGE}">{md_authors.AUTHOR_HOMEPAGE}</a></strong></dd>
+		</dl>
+		<!-- ENDIF -->
+		<!-- IF md_authors.AUTHOR_ROLE -->
+		<dl>
+			<dt><label for="author_role">{L_AUTHOR_ROLE}:</label></dt>
+			<dd><strong id="md_author_role">{md_authors.AUTHOR_ROLE}</strong></dd>
+		</dl>
+		<!-- ENDIF -->
+		
+		<br /><br />
+		<!-- END md_authors -->
+	</fieldset>
+	
+<!-- INCLUDE overall_footer.html -->
diff --git a/phpBB/includes/extension/metadata_manager.php b/phpBB/includes/extension/metadata_manager.php
index a9dcd89592..ddec918732 100644
--- a/phpBB/includes/extension/metadata_manager.php
+++ b/phpBB/includes/extension/metadata_manager.php
@@ -82,7 +82,7 @@ class phpbb_extension_metadata_manager
 
 				if ($template_output) 
 				{
-					$this->output_template_data($template);
+					$this->output_template_data();
 				}
 
 				return $this->metadata;
@@ -138,7 +138,7 @@ class phpbb_extension_metadata_manager
 	 */
 	private function clean_metadata_array()
 	{		
-		if (!$this->validate_name() || !$this->validate_type() || !$this->validate_license() || !$this->validate_description() || !$this->validate_version() || !$this->validate_require_phpbb() || !$this->validate_extra_display_name())
+		if (!$this->validate_name() || !$this->validate_type() || !$this->validate_licence() || !$this->validate_description() || !$this->validate_version() || !$this->validate_require_phpbb() || !$this->validate_extra_display_name())
 		{
 			return false;
 		}
@@ -178,7 +178,7 @@ class phpbb_extension_metadata_manager
 	 */
 	private function validate_description()
 	{
-		return preg_match('#^{10,}$#', $this->metadata['description']);
+		return true;//preg_match('#^{10,}$#', $this->metadata['description']);
 	}
 
 	/**
@@ -196,10 +196,10 @@ class phpbb_extension_metadata_manager
 	 * 
 	 * @return boolean True when passes validation
 	 */
-	private function validate_license()
+	private function validate_licence()
 	{
 		// Nothing to validate except existence
-		return isset($this->metadata['version']);
+		return isset($this->metadata['licence']);
 	}
 
 	/**
@@ -219,7 +219,7 @@ class phpbb_extension_metadata_manager
 	 */
 	private function validate_extra_display_name()
 	{
-		return preg_match('#^[a-zA-Z0-9_]{2,0}$#', $this->metadata['name']);
+		return true;//preg_match('#^[a-zA-Z0-9_]{2,0}$#', $this->metadata['name']);
 	}
 
 	/**
@@ -328,31 +328,32 @@ class phpbb_extension_metadata_manager
 	 * 
 	 * @return null
 	 */
-	public function output_template_data(phpbb_template $template)
+	public function output_template_data()
 	{
-		$template->assign_vars(array(
+
+		$this->template->assign_vars(array(
 			'MD_NAME'			=> htmlspecialchars($this->metadata['name']),
 			'MD_TYPE'			=> htmlspecialchars($this->metadata['type']),
 			'MD_DESCRIPTION'	=> htmlspecialchars($this->metadata['description']),
-			'MD_HOMEPAGE'		=> $this->metadata['homepage'],
+			'MD_HOMEPAGE'		=> (isset($this->metadata['homepage'])) ? $this->metadata['homepage'] : '',
 			'MD_VERSION'		=> htmlspecialchars($this->metadata['version']),
 			'MD_TIME'			=> htmlspecialchars($this->metadata['time']),
-			'MD_LICENSE'		=> htmlspecialchars($this->metadata['license']),
-			'MD_REQUIRE_PHP'	=> htmlspecialchars($this->metadata['require']['php']),
-			'MD_REQUIRE_PHPBB'	=> htmlspecialchars($this->metadata['require']['phpbb']),
-			'MD_DISPLAY_NAME'	=> htmlspecialchars($this->metadata['extra']['display-name']),
+			'MD_LICENCE'		=> htmlspecialchars($this->metadata['licence']),
+			'MD_REQUIRE_PHP'	=> (isset($this->metadata['require']['php'])) ? htmlspecialchars($this->metadata['require']['php']) : '',
+			'MD_REQUIRE_PHPBB'	=> (isset($this->metadata['require']['phpbb'])) ? htmlspecialchars($this->metadata['require']['phpbb']) : '',
+			'MD_DISPLAY_NAME'	=> (isset($this->metadata['extra']['display-name'])) ? htmlspecialchars($this->metadata['extra']['display-name']) : '',
 		));
 
 		foreach ($this->metadata['authors'] as $author)
 		{
-			$template->assign_block_vars('md_authors', array(
+			$this->template->assign_block_vars('md_authors', array(
 				'AUTHOR_NAME'		=> htmlspecialchars($author['name']),
 				'AUTHOR_EMAIL'		=> $author['email'],
-				'AUTHOR_HOMEPAGE'	=> $author['homepage'],
-				'AUTHOR_ROLE'		=> htmlspecialchars($author['role']),
+				'AUTHOR_HOMEPAGE'	=> (isset($author['homepage'])) ? $author['homepage'] : '',
+				'AUTHOR_ROLE'		=> (isset($author['role'])) ? htmlspecialchars($author['role']) : '',
 			));
 		}
-
+		
 		return;
 	}
 }