MathML generated by MathToWeb
A MathML example displaying Fraktur letters by way of the AMS Latex   \mathfrak{N} command.

$d𝔑={𝔉}_{1\sigma }d{\Omega }^{\prime }$ $d\mathfrak{N} = \mathfrak{F}_{1\sigma} \; d\Omega^\prime$

<math xmlns="http://www.w3.org/1998/Math/MathML">
<mrow>
	<mi>d</mi>
	<mi>&Nfr;</mi>
	<mo>=</mo>
	<msub>
		<mi>&Ffr;</mi>
		<mrow>
			<mn>1</mn>
			<mi>&sigma;</mi>
		</mrow>
	</msub>
	<mspace width="0.278 em" />
	<mi>d</mi>
	<msup>
		<mi>&Omega;</mi>
		<mo>&prime;</mo>
	</msup>
</mrow>
</math>