In the theme "html5-editor.org-theme" (in apps/themes/)
I go tu URL apps/themes/html5-editor.org/silex_server/?/html5-editor.org-theme-2/&format=html
And have the haXe error bellow
There are only these components: label buttons, geometry, image, text

uncaught exception: Xml parse error (Mismatched tag) line #1

in file: C:\Users\lexa\Documents\repositories\silex-apps\themes\html5-editor.org\silex_server\plugins\htmlGenerator\generator\lib\Xml.class.php line 261

0 C:\Users\lexa\Documents\repositories\silex-apps\themes\html5-editor.org\silex_server\plugins\silexComponents\html5\org\silex\ui\components\buttons\LabelButtonBase.class.php(35): Xml::parse('returnHTML()

2 C:\Users\lexa\Documents\repositories\silex-apps\themes\html5-editor.org\silex_server\plugins\htmlGenerator\generator\lib\org\silex\htmlGenerator\SubLayer.class.php(21): org_silex_ui_UiBase->getHTML()

3 C:\Users\lexa\Documents\repositories\silex-apps\themes\html5-editor.org\silex_server\plugins\htmlGenerator\generator\lib\org\silex\htmlGenerator\Main.class.php(179): org_silex_htmlGenerator_SubLayer->returnHTML()

4 C:\Users\lexa\Documents\repositories\silex-apps\themes\html5-editor.org\silex_server\plugins\htmlGenerator\index.php(39): org_silex_htmlGenerator_Main::main()

5 [internal function]: htmlGenerator->htmlGeneratorStart(Object(_hx_anonymous))

6 C:\Users\lexa\Documents\repositories\silex-apps\themes\html5-editor.org\silex_server\cgi\includes\HookManager.php(71): call_user_func_array(Array, Array)

7 C:\Users\lexa\Documents\repositories\silex-apps\themes\html5-editor.org\silex_server\framework\hx\org\silex\serverApi\HookManager.class.php(8): HookManager->callHooks('pre-index-head', Array)

8 C:\Users\lexa\Documents\repositories\silex-apps\themes\html5-editor.org\silex_server\framework\hx\org\silex\html\SilexIndex.class.php(183): org_silex_serverApi_HookManager->callHooks('pre-index-head', Object(_hx_array))

9 C:\Users\lexa\Documents\repositories\silex-apps\themes\html5-editor.org\silex_server\index.php(9): org_silex_html_SilexIndex::main()

10 {main}