Index: branches/RC/core/units/languages/languages_config.php
===================================================================
diff -u -N -r11623 -r11635
--- branches/RC/core/units/languages/languages_config.php	(.../languages_config.php)	(revision 11623)
+++ branches/RC/core/units/languages/languages_config.php	(.../languages_config.php)	(revision 11635)
@@ -207,7 +207,7 @@
 										'ThousandSep' => Array('type' => 'string','not_null' => 1, 'default' => ''),
 										'Charset' => Array('type' => 'string','not_null' => '1','default' => '','required'=>1),
 										'UnitSystem' => Array('type' => 'int','not_null' => 1, 'default' => 1, 'formatter' => 'kOptionsFormatter','options' => Array(1 => 'la_Metric', 2 => 'la_US_UK'),'use_phrases' => 1),
-										'FilenameReplacements' => Array('type' => 'string'),
+										'FilenameReplacements' => Array ('type' => 'string', 'default' => NULL),
 										'Locale' => Array('type' => 'string','not_null' => 1, 'default' => 'en-US', 'formatter' => 'kOptionsFormatter',
 														  'options' => Array('' => ''),
 														  'options_sql' => "SELECT CONCAT(LocaleName, ' ' ,'\/',Locale,'\/') AS name, Locale FROM ".TABLE_PREFIX."LocalesList ORDER BY LocaleId", 'option_title_field' => "name", 'option_key_field' => 'Locale',