diff --git a/header.inc.php3 b/header.inc.php3
index 85d165793..911a34d84 100755
--- a/header.inc.php3
+++ b/header.inc.php3
@@ -34,9 +34,10 @@ header('Content-Type: text/html; charset=' . $charset);
  */
 // Gets the font sizes to use
 set_font_sizes();
+echo '<?xml version="1.0" encoding="' . strtoupper($charset) . '"?>' . "\n";
 ?>
 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "DTD/xhtml1-transitional.dtd">
-<html>
+<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="<?php echo $available_languages[$lang][2]; ?>" lang="<?php echo $available_languages[$lang][2]; ?>">
 
 <head>
 <title>phpMyAdmin</title>
diff --git a/index.php3 b/index.php3
index 4fb4bba1c..f1e60fd64 100755
--- a/index.php3
+++ b/index.php3
@@ -31,9 +31,10 @@ if (empty($HTTP_HOST)) {
 $url_query = 'lang=' . $lang
            . '&server=' . $server
            . (empty($db) ? '' : '&db=' . urlencode($db));
+echo '<?xml version="1.0" encoding="' . strtoupper($charset) . '"?>' . "\n";
 ?>
 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Frameset//EN" "DTD/xhtml1-frameset.dtd">
-<html>
+<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="<?php echo $available_languages[$lang][2]; ?>" lang="<?php echo $available_languages[$lang][2]; ?>">
 <head>
 <title>phpMyAdmin <?php echo PHPMYADMIN_VERSION; ?> - <?php echo $HTTP_HOST; ?></title>
 <style type="text/css">
@@ -49,7 +50,7 @@ body  {font-family: <?php echo $right_font_family; ?>; font-size: <?php echo $fo
 
     <noframes>
         <body bgcolor="#FFFFFF">
-            <p>phpMyAdmin requires a <b>frames-capable</b> browser.</p>
+            <p>phpMyAdmin is more friendly with a <b>frames-capable</b> browser.</p>
         </body>
     </noframes>
 </frameset>
diff --git a/left.php3 b/left.php3
index 28d859325..13009dd1a 100755
--- a/left.php3
+++ b/left.php3
@@ -73,9 +73,10 @@ header('Content-Type: text/html; charset=' . $charset);
  */
 // Gets the font sizes to use
 set_font_sizes();
+echo '<?xml version="1.0" encoding="' . strtoupper($charset) . '"?>' . "\n";
 ?>
 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "DTD/xhtml1-transitional.dtd">
-<html>
+<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="<?php echo $available_languages[$lang][2]; ?>" lang="<?php echo $available_languages[$lang][2]; ?>">
 
 <head>
     <title>phpMyAdmin</title>
diff --git a/libraries/common.lib.php3 b/libraries/common.lib.php3
index ac9d45370..efa87c08b 100644
--- a/libraries/common.lib.php3
+++ b/libraries/common.lib.php3
@@ -69,9 +69,11 @@ if (!defined('__LIB_COMMON__')){
         header('WWW-Authenticate: Basic realm="phpMyAdmin ' . trim($GLOBALS['strRunning']) . ' ' . $GLOBALS['cfgServer']['host'] . '"');
         header('HTTP/1.0 401 Unauthorized');
         header('status: 401 Unauthorized');
+
+        echo '<?xml version="1.0" encoding="' . strtoupper($charset) . '"?>' . "\n";
         ?>
 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "DTD/xhtml1-transitional.dtd">
-<html>
+<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="<?php echo $available_languages[$lang][2]; ?>" lang="<?php echo $available_languages[$lang][2]; ?>">
 
 <head>
 <title><?php echo $GLOBALS['strAccessDenied']; ?></title>
@@ -401,9 +403,8 @@ if (!defined('__LIB_COMMON__')){
                     // This maintenance is to fix code to work correctly for
                     // regular expressions.
                     if ($row['Select_priv'] != 'Y') {
-// User can be blank (anonymous user)
-                        $local_query = 'SELECT DISTINCT Db FROM mysql.db WHERE Select_priv = \'Y\' AND (User = \'' . $PHP_AUTH_USER . '\'
-			OR User = \'\') ';
+                        // lem9: User can be blank (anonymous user)
+                        $local_query = 'SELECT DISTINCT Db FROM mysql.db WHERE Select_priv = \'Y\' AND (User = \'' . $PHP_AUTH_USER . '\' OR User = \'\')';
                         $rs          = mysql_query($local_query) or mysql_die('', $local_query, FALSE, FALSE);
                         if (@mysql_numrows($rs) <= 0) {
                             $local_query = 'SELECT DISTINCT Db FROM mysql.tables_priv WHERE Table_priv LIKE \'%Select%\' AND User = \'' . $PHP_AUTH_USER . '\'';
@@ -534,10 +535,9 @@ if (!defined('__LIB_COMMON__')){
 
         // IE (<6)/Opera for win case: needs smaller fonts than anyone else
         if (USR_OS == 'Win'
-            && ((USR_BROWSER_AGENT == 'IE' && USR_BROWSER_VER < 6)
-                || USR_BROWSER_AGENT == 'OPERA')) {
+            && (USR_BROWSER_AGENT == 'IE' || USR_BROWSER_AGENT == 'OPERA')) {
             $font_size     = 'x-small';
-            $font_bigger   = 'large ';
+            $font_bigger   = 'large';
             $font_smaller  = (USR_BROWSER_AGENT == 'IE' && USR_BROWSER_VER < 5.5)
                            ? '80%'
                            : '90%';
@@ -547,7 +547,7 @@ if (!defined('__LIB_COMMON__')){
         else if (USR_OS == 'Win') {
             $font_size     = 'small';
             $font_bigger   = 'large ';
-            $font_smaller  = (USR_BROWSER_AGENT == 'IE') ? '90%' : 'x-small';
+            $font_smaller  = 'x-small';
             $font_smallest = 'x-small';
         }
         // Mac browsers: need bigger fonts
diff --git a/libraries/select_lang.lib.php3 b/libraries/select_lang.lib.php3
index 088e00ca3..67128037a 100644
--- a/libraries/select_lang.lib.php3
+++ b/libraries/select_lang.lib.php3
@@ -3,7 +3,7 @@
 
 
 /**
- * phpMyAdmin Language Loading File - lolo@phpheaven.net 01 may 2001
+ * phpMyAdmin Language Loading File
  */
 
 
@@ -31,7 +31,9 @@ $lang_path = 'lang/';
  *    - the '|' character (it means 'OR');
  *    - the full language name.
  * 3. The second values associated to the key is the name of the file to load
- *    without the 'inc.php3' extension. 
+ *    without the 'inc.php3' extension.
+ * 4. The last values associated to the key is the language code as defined by
+ *    the RFC1766.
  *
  * Beware that the sorting order (first values associated to keys by
  * alphabetical reverse order in the array) is important: 'zh-tw' (chinese
@@ -39,34 +41,34 @@ $lang_path = 'lang/';
  * example.
  */
 $available_languages = array(
-    'bg'         => array('bg|bulgarian', 'bulgarian-win1251'),
-    'ca'         => array('ca|catalan', 'catala'),
-    'cs-iso'     => array('cs|czech', 'czech-iso'),
-    'cs-win1250' => array('cs|czech', 'czech-win1250'),
-    'da'         => array('da|danish', 'danish'),
-    'de'         => array('de([-_][[:alpha:]]{2})?|german', 'german'),
-    'el'         => array('el|greek',  'greek'),
-    'en'         => array('en([-_][[:alpha:]]{2})?|english',  'english'),
-    'es'         => array('es([-_][[:alpha:]]{2})?|spanish', 'spanish'),
-    'fi'         => array('fi|finnish', 'finnish'),
-    'fr'         => array('fr([-_][[:alpha:]]{2})?|french', 'french'),
-    'gl'         => array('gl|galician', 'galician'),
-    'it'         => array('it|italian', 'italian'),
-    'ja'         => array('ja|japanese', 'japanese'),
-    'ko'         => array('ko|korean', 'korean'),
-    'nl'         => array('nl([-_][[:alpha:]]{2})?|dutch', 'dutch'),
-    'no'         => array('no|norwegian', 'norwegian'),
-    'pl'         => array('pl|polish', 'polish'),
-    'pt-br'      => array('pt[-_]br|brazilian portuguese', 'brazilian_portuguese'),
-    'pt'         => array('pt([-_][[:alpha:]]{2})?|portuguese', 'portuguese'),
-    'ro'         => array('ro|romanian', 'romanian'),
-    'ru-koi8r'   => array('ru|russian', 'russian-koi8'),
-    'ru-win1251' => array('ru|russian', 'russian-win1251'),
-    'se'         => array('se|swedish', 'swedish'),
-    'sk'         => array('sk|slovak', 'slovak-iso'),
-    'th'         => array('th|thai', 'thai'),
-    'zh-tw'      => array('zh[-_]tw|chinese traditional', 'chinese_big5'),
-    'zh'         => array('zh|chinese simplified', 'chinese_gb')
+    'bg'         => array('bg|bulgarian', 'bulgarian-win1251', 'bg'),
+    'ca'         => array('ca|catalan', 'catala', 'ca'),
+    'cs-iso'     => array('cs|czech', 'czech-iso', 'cs'),
+    'cs-win1250' => array('cs|czech', 'czech-win1250', 'cs'),
+    'da'         => array('da|danish', 'danish', 'da'),
+    'de'         => array('de([-_][[:alpha:]]{2})?|german', 'german', 'de'),
+    'el'         => array('el|greek',  'greek', 'el'),
+    'en'         => array('en([-_][[:alpha:]]{2})?|english',  'english', 'en'),
+    'es'         => array('es([-_][[:alpha:]]{2})?|spanish', 'spanish', 'es'),
+    'fi'         => array('fi|finnish', 'finnish', 'fi'),
+    'fr'         => array('fr([-_][[:alpha:]]{2})?|french', 'french', 'fr'),
+    'gl'         => array('gl|galician', 'galician', 'gl'),
+    'it'         => array('it|italian', 'italian', 'it'),
+    'ja'         => array('ja|japanese', 'japanese', 'ja'),
+    'ko'         => array('ko|korean', 'korean', 'ko'),
+    'nl'         => array('nl([-_][[:alpha:]]{2})?|dutch', 'dutch', 'nl'),
+    'no'         => array('no|norwegian', 'norwegian', 'no'),
+    'pl'         => array('pl|polish', 'polish', 'pl'),
+    'pt-br'      => array('pt[-_]br|brazilian portuguese', 'brazilian_portuguese', 'pt-BR'),
+    'pt'         => array('pt([-_][[:alpha:]]{2})?|portuguese', 'portuguese', 'pt'),
+    'ro'         => array('ro|romanian', 'romanian', 'ro'),
+    'ru-koi8r'   => array('ru|russian', 'russian-koi8', 'ru'),
+    'ru-win1251' => array('ru|russian', 'russian-win1251', 'ru'),
+    'se'         => array('se|swedish', 'swedish', 'se'),
+    'sk'         => array('sk|slovak', 'slovak-iso', 'sk'),
+    'th'         => array('th|thai', 'thai', 'th'),
+    'zh-tw'      => array('zh[-_]tw|chinese traditional', 'chinese_big5', 'zh-TW'),
+    'zh'         => array('zh|chinese simplified', 'chinese_gb', 'zh')
 );
 
 
