install.xml

    <file name="$sourcedir/MoveTopic.php">
        <operation>
            <search position="before"><![CDATA[global $txt, $board, $topic, $user_info, $context, $language, $scripturl, $settings, $smcFunc, $modSettings]]></search>
            <add><![CDATA[, $subforum_tree]]></add>
        </operation>
        <operation>
            <search position="before"><![CDATA[SELECT b.id_board, b.name, b.child_level, c.name AS cat_name, c.id_cat]]></search>
            <add><![CDATA[, c.forumid]]></add>
        </operation>
    <operation>
            <search position="replace">
                <![CDATA['name' => strip_tags($row['cat_name']),]]>
            </search>
            <add>
                <![CDATA['name' => strip_tags($subforum_tree[$row['forumid']]['boardname']." >> ".$row['cat_name']),]]>
            </add>
        </operation>
    </file>