yap-6.3/packages/sgml/Test/wchar.xml

<?xml version="1.0"?>
<!DOCTYPE test [
  <!ENTITY ok CDATA "&#10003">
]>
<test>
  <li>Some cyrillic chars: &#1080;&#1081;</li>
  <li>This a an sizzors symbol: &#9988;</li>
  <li>OK, entered via entity: &ok;</li>
  <a att="Cirle with 1: &#10112;" ok="&ok;"/>
</test>