NTITY omega    CDATA "&amp;#969;" -- greek small letter omega,
                                    U+03C9 ISOgrk3 --&gt;
&lt;!ENTITY thetasym CDATA "&amp;#977;" -- greek small letter theta symbol,
                                    U+03D1 NEW --&gt;
&lt;!ENTITY upsih    CDATA "&amp;#978;" -- greek upsilon with hook symbol,
                                    U+03D2 NEW --&gt;
&lt;!ENTITY piv      CDATA "&amp;#982;" -- greek pi symbol, U+03D6 ISOgrk3 --&gt;

&lt;!-- General Punctuation --&gt;
&lt;!ENTITY bu