group   token.content  
diagram
version  
namespace http://www.w3.org/1998/Math/MathML
children m:mglyph   m:malignmark
used by
element   {http://www.w3.org/1998/Math/MathML}:mi   {http://www.w3.org/1998/Math/MathML}:mn   {http://www.w3.org/1998/Math/MathML}:mo   {http://www.w3.org/1998/Math/MathML}:ms   {http://www.w3.org/1998/Math/MathML}:mtext