modules/custom/eml/templates/eml.tpl.php
<?php
/**
* @file
* Default template to use when an entity is rendered using the 'eml' view mode.
*
* This file can be overridden by creating a new template file in your theme
* named eml--ENTITY-TYPE--SUB-TYPE.tpl.php.
*/
?>
<?php print render($content); ?>