Index: trunk/core/kernel/db/dbitem.php
===================================================================
diff -u -N -r8061 -r8065
--- trunk/core/kernel/db/dbitem.php	(.../dbitem.php)	(revision 8061)
+++ trunk/core/kernel/db/dbitem.php	(.../dbitem.php)	(revision 8065)
@@ -763,6 +763,7 @@
 				if (preg_match('/^l([0-9]+)_(.*)/', $field, $regs)) {
 					$l = $regs[1];
 					$name = $regs[2];
+					unset($options['required']); // all non-primary language field set to non-required
 					for ($i=1; $i<=$lang_count; $i++) {
 						if ($i == $l) continue;
 						$this->Fields['l'.$i.'_'.$name] = $options;