<glob pattern="*.mdtext"/>
    <glob pattern="*.mkd"/>
    <glob pattern="*.markdown"/>
    <sub-class-of type="text/plain"/>
  </mime-type>

  <mime-type type="text/x-yacc">
    <_comment>Yacc/Bison source code</_comment>
    <glob pattern="*.y"/>
    <sub-class-of type="text/plain"/>
  </mime-type>

  <mime-type type="text/x-yaml">
    <_comment>YAML source code</_comment>