<enumeration value="black" />
<enumeration value="white" />
<enumeration value="red" />
<enumeration value="green" />
<enumeration value="blue" />
<enumeration value="yellow" />
<enumeration value="magenta" />
<enumeration value="cyan" />
<enumeration value="gray" />
<enumeration value="lgray" />
<enumeration value="dkred" />
<enumeration value="dkgreen" />
<enumeration value="dkblue" />
<enumeration value="olive" />
<enumeration value="purple" />
<enumeration value="drab" />
</restriction>