badAttribsGlyph4

Basic test of <mglyph> This test fonts that are likely to exist on the user's system, as well as fonts that won't exist. Also tests what occurs if the required 'alt' attribute is missing.

W3C sample	WIRIS

<math xmlns="http://www.w3.org/1998/Math/MathML">
  <mn>
    <mglyph fontfamily="Arial" index="97" alt="lowercase 'a'"/>
  </mn>
  <mspace width="10px"/>
  <mi>
    <mglyph fontfamily="Arial" index="105"/>
  </mi>
  <mspace width="10px"/>
  <mn>
    <mglyph fontfamily="fake-font" index="105"/>
  </mn>
  <mspace width="10px"/>
  <mi>
    <mglyph index="97" alt="lowercase 'a'"/>
  </mi>
</math>

Author: Dave Doyle, Design Science