--- mantisbt-1.2.3-orig/core/relationship_api.php	2010-09-14 20:40:10.000000000 +0200
+++ mantisbt-1.2.3/core/relationship_api.php	2010-10-21 17:20:09.000000000 +0200
@@ -631,6 +631,8 @@
 	$t_relationship_info_html = $t_td . string_no_break( $t_relationship_descr ) . '&nbsp;</td>';
 	if( $p_html_preview == false ) {
 		$t_relationship_info_html .= '<td><a href="' . string_get_bug_view_url( $t_related_bug_id ) . '">' . bug_format_id( $t_related_bug_id ) . '</a></td>';
+		# Add the customer_id
+		$t_relationship_info_html .= '<td>' . custom_field_get_value( custom_field_get_id_from_name( 'id_customer' ), $t_related_bug_id ) . '</td>';
 		$t_relationship_info_html .= '<td><span class="issue-status" title="' . $t_resolution . '">' . $t_status . '</span></td>';
 	} else {
 		$t_relationship_info_html .= $t_td . bug_format_id( $t_related_bug_id ) . '</td>';