2 <!DOCTYPE note PUBLIC
"-//OASIS//DTD DocBook XML V4.1.2//EN" "http://www.oasis-open.org/docbook/xml/4.1.2/docbookx.dtd">
3 <note><title>Upcoming Changes
</title><para>
4 Future versions of this feature may not be backward-compatible.
5 Consider implementing the revised interface now.