+03C3 ISOgrk3 --&gt;
&lt;!ENTITY tau      CDATA "&amp;#964;" -- greek small letter tau, U+03C4 ISOgrk3 --&gt;
&lt;!ENTITY upsilon  CDATA "&amp;#965;" -- greek small letter upsilon,
                                    U+03C5 ISOgrk3 --&gt;
&lt;!ENTITY phi      CDATA "&amp;#966;" -- greek small letter phi, U+03C6 ISOgrk3 --&gt;
&lt;!ENTITY chi      CDATA "&amp;#967;" -- greek small letter chi, U+03C7 ISOgrk3 --&gt;
&lt;!ENTITY psi      CDATA "&amp;#968;" -- greek small letter psi, U+03C8 ISOgrk3 --&gt;
&lt;!E