Allowed parents
            m:annotation-xml, 
               m:ci, 
               m:cn, 
               m:csymbol, 
               m:maction, 
               m:math, 
               m:menclose, 
               m:merror, 
               m:mfenced, 
               m:mfrac, 
               m:mlongdiv, 
               m:mmultiscripts, 
               m:mover, 
               m:mpadded, 
               m:mphantom, 
               m:mroot, 
               m:mrow, 
               m:mscarries, 
               m:mscarry, 
               m:msgroup, 
               m:msqrt, 
               m:msrow, 
               m:mstack, 
               m:mstyle, 
               m:msub, 
               m:msubsup, 
               m:msup, 
               m:mtd, 
               m:munder, 
               m:munderover and 
               m:semantics
               
            
            Allowed children
            This element must not contain text.
            
            This element may contain the following children: m:maction, 
               m:maligngroup, 
               m:malignmark, 
               m:menclose, 
               m:merror, 
               m:mfenced, 
               m:mfrac, 
               m:mi, 
               m:mlongdiv, 
               m:mmultiscripts, 
               m:mn, 
               m:mo, 
               m:mover, 
               m:mpadded, 
               m:mphantom, 
               m:mroot, 
               m:mrow, 
               m:ms, 
               m:mscarries, 
               m:msgroup, 
               m:msline, 
               m:mspace, 
               m:msqrt, 
               m:msrow, 
               m:mstack, 
               m:mstyle, 
               m:msub, 
               m:msubsup, 
               m:msup, 
               m:mtable, 
               m:mtext, 
               m:munder, 
               m:munderover and 
               m:semantics
               
            
            Content model
            
               
               any of the 34 elements: 
m:maction, 
m:maligngroup, 
m:malignmark, 
m:menclose, 
m:merror, 
m:mfenced, 
m:mfrac, 
m:mi, 
m:mlongdiv, 
m:mmultiscripts, 
m:mn, 
m:mo, 
m:mover, 
m:mpadded, 
m:mphantom, 
m:mroot, 
m:mrow, 
m:ms, 
m:mscarries, 
m:msgroup, 
m:msline, 
m:mspace, 
m:msqrt, 
m:msrow, 
m:mstack, 
m:mstyle, 
m:msub, 
m:msubsup, 
m:msup, 
m:mtable, 
m:mtext, 
m:munder, 
m:munderover and 
m:semantics 
               any of the 34 elements: 
m:maction, 
m:maligngroup, 
m:malignmark, 
m:menclose, 
m:merror, 
m:mfenced, 
m:mfrac, 
m:mi, 
m:mlongdiv, 
m:mmultiscripts, 
m:mn, 
m:mo, 
m:mover, 
m:mpadded, 
m:mphantom, 
m:mroot, 
m:mrow, 
m:ms, 
m:mscarries, 
m:msgroup, 
m:msline, 
m:mspace, 
m:msqrt, 
m:msrow, 
m:mstack, 
m:mstyle, 
m:msub, 
m:msubsup, 
m:msup, 
m:mtable, 
m:mtext, 
m:munder, 
m:munderover and 
m:semantics 
               one or more of 
                  
                  any of the 34 elements: 
m:maction, 
m:maligngroup, 
m:malignmark, 
m:menclose, 
m:merror, 
m:mfenced, 
m:mfrac, 
m:mi, 
m:mlongdiv, 
m:mmultiscripts, 
m:mn, 
m:mo, 
m:mover, 
m:mpadded, 
m:mphantom, 
m:mroot, 
m:mrow, 
m:ms, 
m:mscarries, 
m:msgroup, 
m:msline, 
m:mspace, 
m:msqrt, 
m:msrow, 
m:mstack, 
m:mstyle, 
m:msub, 
m:msubsup, 
m:msup, 
m:mtable, 
m:mtext, 
m:munder, 
m:munderover and 
m:semantics 
                  
                
             
            Namespace
            http://www.w3.org/1998/Math/MathML