<!DOCTYPE html>
<html>
  <head>
    <title>menclose equivalence of notation values</title>
  </head>
  <body>
    <!-- Order does not matter -->
    <math><mrow><menclose notation="top circle horizontalstrike"><mspace width="100px" height="50px" mathbackground="red"/></menclose></mrow></math>

    <!-- Duplicate does not matter -->
    <math><mrow><menclose notation="top longdiv circle actuarial top circle left longdiv circle top left"><mspace width="100px" height="50px" mathbackground="red"/></menclose></mrow></math>

    <!-- Invalid values are ignored -->
    <math><mrow><menclose notation="circle triangle box"><mspace width="100px" height="50px" mathbackground="red"/></menclose></mrow></math>

    <!-- box is like left right top bottom -->
    <math><mrow><menclose notation="box"><mspace width="100px" height="50px" mathbackground="red"/></menclose></mrow></math>

    <!-- actuarial is like right top -->
    <math><mrow><menclose notation="actuarial"><mspace width="100px" height="50px" mathbackground="red"/></menclose></mrow></math>

    <!-- madruwb is like right bottom -->
    <math><mrow><menclose notation="madruwb"><mspace width="100px" height="50px" mathbackground="red"/></menclose></mrow></math>

    <!-- menclose notations are independent of overall directionality -->
    <math dir="rtl"><mrow><menclose notation="left updiagonalstrike"><mspace width="100px" height="50px" mathbackground="red"/></menclose></mrow></math>

    <!-- menclose notations can be separated by any sequence of whitespace. -->
    <p>
      <math><mrow><menclose notation="&#x20;&#x9;&#xA;&#xD;&#x20;&#x9;&#xA;&#xD;"><mspace width="100px" height="50px" mathbackground="red"/></menclose></mrow></math>
      <math><mrow><menclose notation="&#x20;&#x9;&#xA;&#xD;&#x20;&#x9;&#xA;&#xD;top&#x20;&#x9;&#xA;&#xD;&#x20;&#x9;&#xA;&#xD;"><mspace width="100px" height="50px" mathbackground="red"/></menclose></mrow></math>
      <math><mrow><menclose notation="&#x20;&#x9;&#xA;&#xD;&#x20;&#x9;&#xA;&#xD;top&#x20;&#x9;&#xA;&#xD;&#x20;&#x9;&#xA;&#xD;circle&#x20;&#x9;&#xA;&#xD;&#x20;&#x9;&#xA;&#xD;"><mspace width="100px" height="50px" mathbackground="red"/></menclose></mrow></math>
      <math><mrow><menclose notation="&#x20;&#x9;&#xA;&#xD;&#x20;&#x9;&#xA;&#xD;top&#x20;&#x9;&#xA;&#xD;&#x20;&#x9;&#xA;&#xD;circle&#x20;&#x9;&#xA;&#xD;&#x20;&#x9;&#xA;&#xD;horizontalstrike&#x20;&#x9;&#xA;&#xD;&#x20;&#x9;&#xA;&#xD;"><mspace width="100px" height="50px" mathbackground="red"/></menclose></mrow></math>
    </p>

  </body>
</html>
