General Layout


subexpressions
<mrow><mi>a</mi><mi>b</mi></mrow>
fraction
<mfrac><mi>a</mi><mi>b</mi></mfrac>
square root
<msqrt><mi>a</mi></msqrt>
radical
<mroot><mi>a</mi><mi>b</mi></mroot>
style change
<mstyle color="red"><mi>y</mi></mstyle>
adjust space
<mpadded width="150%"><mi>b</mi></mpadded>
make content invisible
<mphantom>
  <mo form="infix">+</mo><mi>y</mi>
</mphantom>
surround content
<mfenced open="[" separators=";">
  <mi>a</mi><mi>b</mi>
</mfenced>