                      = squared, U+00B2 ISOnum --&gt;
&lt;!ENTITY sup3   CDATA "&amp;#179;" -- superscript three = superscript digit three
                                  = cubed, U+00B3 ISOnum --&gt;
&lt;!ENTITY acute  CDATA "&amp;#180;" -- acute accent = spacing acute,
                                  U+00B4 ISOdia --&gt;
&lt;!ENTITY micro  CDATA "&amp;#181;" -- micro sign, U+00B5 ISOnum --&gt;
&lt;!ENTITY para   CDATA "&amp;#182;" -- pilcrow sign = paragraph sign,
                                  U+0