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 may contain text.
            
            This element may contain the following children: m:malignmark and 
               m:mglyph
               
            
            Content model
            
               optional attributes: 
@accent, 
                  
@dir, 
                  
@fence, 
                  
@form, 
                  
@indentalign, 
                  
@indentalignfirst, 
                  
@indentalignlast, 
                  
@indentshift, 
                  
@indentshiftfirst, 
                  
@indentshiftlast, 
                  
@indenttarget, 
                  
@largeop, 
                  
@linebreak, 
                  
@linebreakmultchar, 
                  
@linebreakstyle, 
                  
@lineleading, 
                  
@lspace, 
                  
@mathbackground, 
                  
@mathcolor, 
                  
@mathsize, 
                  
@mathvariant, 
                  
@maxsize, 
                  
@minsize, 
                  
@movablelimits, 
                  
@rspace, 
                  
@separator, 
                  
@stretchy, 
                  
@symmetric, 
                  
@xml:base and 
                  
@xml:space 
               zero or more of 
                  
                  a choice of 
                     or text
end of choice 
                  
                
             
            Namespace
            http://www.w3.org/1998/Math/MathML