wp-plugins/all-in-one-seo-pack

<wpml-config>
    <custom-fields>
        <custom-field action="translate">_aioseop_title</custom-field>
        <custom-field action="translate">_aioseop_description</custom-field>
        <custom-field action="translate">_aioseop_keywords</custom-field>
    </custom-fields>
    <admin-texts>
        <key name="aioseop_options">
            <key name="aiosp_home_title" />
            <key name="aiosp_home_description" />
            <key name="aiosp_home_keywords" />
            <key name="aiosp_post_title_format" />
            <key name="aiosp_page_title_format" />
            <key name="aiosp_category_title_format" />
            <key name="aiosp_archive_title_format" />
            <key name="aiosp_tag_title_format" />
            <key name="aiosp_search_title_format" />
            <key name="aiosp_description_format" />
            <key name="aiosp_404_title_format" />
            <key name="aiosp_paged_format" />
        </key>
    </admin-texts>    
</wpml-config>