language contains its textual representation.
* $language->dir contains the language direction. It will either be 'ltr' or 'rtl'.
* - $head_title: A modified version of the page title, for use in the TITLE tag.
* - $head: Markup for the HEAD section (including meta tags, keyword tags, and
* so on).
* - $styles: Style tags necessary to import all CSS files for the page.
* - $scripts: Script tags necessary to load the JavaScript files and settings
* for the page.
*
* Site identity:
* - $site_name: The name of the site, empty when display has been disabled
* in theme settings.
*
* Page content (in order of occurrance in the default page.tpl.php):
* - $breadcrumb: The breadcrumb trail for the current page.
* - $title: The page title, for use in the actual HTML content.
* - $help: Dynamic help text, mostly for admin pages.
* - $messages: HTML for status and error messages. Should be displayed prominently.
* - $tabs: Tabs linking to any sub-pages beneath the current page (e.g., the view
* and edit tabs when displaying a node).
*
* - $content: The main content of the current Drupal page.
*
* Footer/closing data:
* - $footer : The footer region.
* - $closure: Final closing markup from any modules that have altered the page.
* This variable should always be output last, after all other dynamic content.
*
* @see template_preprocess()
* @see template_preprocess_wysiwyg_dialog_page()
*/
?>
<?php print $head_title; ?>