Clarify how to mark up binomials

nlbdev / mathml-guidelines

A collaboration on the MathML guidelines for marking up accessible math

1 stars 1 forks source link

Clarify how to mark up binomials #25

Open samimaattaCelia opened 5 months ago

samimaattaCelia commented 5 months ago

Binomials are marked up using <mfrac> and with the attribute linethickness='0'. Example:

<math>
  <mrow>
    <mo>(</mo>
    <mfrac linethickness="0">
      <mi>n</mi>
      <mi>k</mi>
    </mfrac>
    <mo>)</mo>
  </mrow>
</math>

Results in $\binom{n}{k}$.

Edit: typo in mark up.

Lisahartun commented 3 months ago

Isn't this clarified? I'm looking at: https://w3c.github.io/mathml-core/docs/explainer.html Where it states: Layout/Relationship elements mrow(for grouping sub-expressions), mfrac (for fractions and fraction-like objects such as binomial coefficients and Legendre symbols), msqrt and mroot for radicals

samimaattaCelia commented 3 months ago

True. Do you think it could be a challenge for the suppliers to get it right? This is the main reason I thought that this could be included in the guidelines.