mpSubjectScheme.ditamap

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE subjectScheme PUBLIC "-//OASIS//DTD DITA Subject Scheme Map//EN" "subjectScheme.dtd"> 
<subjectScheme>
    <subjectHead>
        <subjectHeadMeta>
            <navtitle>
                <!-- Enter a description of the subject scheme. -->
            </navtitle>
        </subjectHeadMeta>
    </subjectHead>
    <hasInstance>
        <subjectdef keys="phoneTypesKey">
            <!-- A tree of related values -->
            <subjectdef keys="smartphone">
                <topicmeta>
                    <navtitle>Smartphones</navtitle>
                </topicmeta>

                <subjectdef keys="X2000">
                    <topicmeta>
                        <navtitle>X2000</navtitle>
                    </topicmeta>
                </subjectdef>
                <subjectdef keys="X3000">
                    <topicmeta>
                        <navtitle>X3000</navtitle>
                    </topicmeta>
                </subjectdef>
            </subjectdef>
            <subjectdef keys="feature">
                <topicmeta>
                    <navtitle>Feature phones</navtitle>
                </topicmeta>
                
                <subjectdef keys="X1000">
                    <topicmeta>
                        <navtitle>X1000</navtitle>
                    </topicmeta>
                </subjectdef>
            </subjectdef>

        </subjectdef>
    </hasInstance>
    <enumerationdef>
        <!-- Give the possible values for product. -->
        <attributedef name="product"/>
        <subjectdef keyref="phoneTypesKey"/>
    </enumerationdef>
    <enumerationdef>
        <!-- We don't allow the platform profiling attribute to be used. -->
        <attributedef name="platform"/>
        <subjectdef/>
    </enumerationdef>
</subjectScheme>