Better error message when config file can not be parsed

- shorter text
- directly show errors in iframe instead saying user to load other page

libraries/common.inc.php

@@ -584,14 +584,11 @@ require './libraries/select_lang.lib.php';
  * this check is done here after loading language files to present errors in locale
  */
 if ($GLOBALS['PMA_Config']->error_config_file) {
-    $error = __('phpMyAdmin was unable to read your configuration file!<br />This might happen if PHP finds a parse error in it or PHP cannot find the file.<br />Please call the configuration file directly using the link below and read the PHP error message(s) that you receive. In most cases a quote or a semicolon is missing somewhere.<br />If you receive a blank page, everything is fine.')
-        . '<br /><br />'
-        . ($GLOBALS['PMA_Config']->getSource() == CONFIG_FILE ?
-        '<a href="show_config_errors.php"'
-        .' target="_blank">' . $GLOBALS['PMA_Config']->getSource() . '</a>'
-        :
-        '<a href="' . $GLOBALS['PMA_Config']->getSource() . '"'
-        .' target="_blank">' . $GLOBALS['PMA_Config']->getSource() . '</a>');
+    $error = '<h1>' . __('Failed to to read configuration file') . '</h1>'
+        . _('This usually means there is a syntax error in it, please check any errors shown bellow.')
+        . '<br />'
+        . '<br />'
+        . '<iframe src="show_config_errors.php" />';
     trigger_error($error, E_USER_ERROR);
 }
 if ($GLOBALS['PMA_Config']->error_config_default_file) {

show_config_errors.php

@@ -8,8 +8,6 @@
 
 require './libraries/vendor_config.php';
 
-echo "Starting to parse config file...\n";
-
 error_reporting(E_ALL);
 /**
  * Read config file.