invalid    correct     surrogate
&#128;     &#8364;     EUR
&#129;
&#130;     &#8218;     '
&#131;     &#402;      f
&#132;     &#8222;     "
&#133;     &#8230;     ...
&#134;     &#8224;     +
&#135;     &#8225;     ++
&#136;     &#710;      ^
&#137;     &#8240;     o/oo
&#138;     &#352;      S
&#139;     &#8249;     &laquo;
&#140;     &#338;      OE
&#141;
&#142;     &#381;      Z
&#143;
&#144;
&#145;     &#8216;     '
&#146;     &#8217;     '
&#147;     &#8220;     "
&#148;     &#8221;     "
&#149;     &#8226;     *
&#150;     &#8211;     -
&#151;     &#8212;     --
&#152;     &#732;      ~
&#153;     &#8482;     TM
&#154;     &#353;      s
&#155;     &#8250;     &raquo;
&#156;     &#339;      oe
&#157;
&#158;     &#382;      z
&#159;     &#376;      Y