Index: core/config_api.php
===================================================================
--- core/config_api.php	(revision 1002)
+++ core/config_api.php	(working copy)
@@ -146,6 +146,7 @@
 				break;
 
 			case 'array':
+			case 'multi_string':
 			case 'boolean':
 			case 'directory_string':
 			case 'integer':
@@ -184,6 +185,14 @@
 <?php
 						break;
 
+					case 'multi_string':
+?>
+	<td class="center" width="40%" colspan="2">
+		<textarea cols="40" rows="6" name="<?php echo $p_name ?>"><?php echo $t_value; ?></textarea>
+	</td>
+<?php
+						break;
+
 					case 'boolean':
 ?>
 	<td class="center" width="20%">
Index: pages/manage_config.php
===================================================================
--- pages/manage_config.php	(revision 1002)
+++ pages/manage_config.php	(working copy)
@@ -76,7 +76,7 @@
 ERP_output_config_option( 'mail_nosubject', 'string', -2 );
 ERP_output_config_option( 'mail_nodescription', 'string', -2 );
 ERP_output_config_option( 'mail_removed_reply_text', 'string', -2 );
-ERP_output_config_option( 'mail_remove_replies_after', 'string', -2 );
+ERP_output_config_option( 'mail_remove_replies_after', 'multi_string', -2 );
 
 ERP_output_config_option( NULL, 'empty' );
 ERP_output_config_option( 'debug_options', 'header' );