Inconsistent spacing before and after fractions in CHTML

[Audrey Krawec]

Hello, MathJax team.

I am advising that I have noted an inconsistency with the spacing before and after inline and within displayed MathJax fractions using the following configuration, so am including the MathML code and a screen capture of the equation for your viewing reference.

My MathJax configuration:

<script type="text/javascript" async
 src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-MML-AM_CHTML">
</script>

My HTML5/MathML code:

<p><math xmlns='http://www.w3.org/1998/Math/MathML'>
 <mrow>
  <munder>
   <mrow>
    <mi>lim</mi></mrow>
   <mrow>
    <mi>x</mi><mo>&#x2192;</mo><mi>c</mi></mrow>
  </munder>
  <mstyle displaystyle='true'>
  <mfrac>
   <mrow>
    <mi>f</mi><mo stretchy='false'>(</mo><mi>x</mi><mo stretchy='false'>)</mo></mrow>
   <mrow>
    <mi>g</mi><mo stretchy='false'>(</mo><mi>x</mi><mo stretchy='false'>)</mo></mrow>
  </mfrac>
  </mstyle>
  <mo>=</mo><mstyle displaystyle='true'>
  <mfrac>
   <mrow>
    <munder>
     <mrow>
      <mi>lim</mi></mrow>
     <mrow>
      <mi>x</mi><mo>&#x2192;</mo><mi>c</mi></mrow>
    </munder>
    <mi>f</mi><mo stretchy='false'>(</mo><mi>x</mi><mo stretchy='false'>)</mo></mrow>
   <mrow>
    <munder>
     <mrow>
      <mi>lim</mi></mrow>
     <mrow>
      <mi>x</mi><mo>&#x2192;</mo><mi>c</mi></mrow>
    </munder>
    <mi>g</mi><mo stretchy='false'>(</mo><mi>x</mi><mo stretchy='false'>)</mo></mrow>
  </mfrac>
  </mstyle>
  <mo>=</mo><mstyle displaystyle='true'>
  <mfrac>
   <mrow>
    <mi>f</mi><mo stretchy='false'>(</mo><mi>c</mi><mo stretchy='false'>)</mo></mrow>
   <mrow>
    <mi>g</mi><mo stretchy='false'>(</mo><mi>c</mi><mo stretchy='false'>)</mo></mrow>
  </mfrac>
  </mstyle>
  <mi>g</mi><mo stretchy='false'>(</mo><mi>c</mi><mo stretchy='false'>)</mo><mo>&#x2260;</mo><mn>0</mn></mrow>
</math>;<br>

thus, the function <math xmlns='http://www.w3.org/1998/Math/MathML'>
 <mrow>
  <mstyle displaystyle='true'>
  <mfrac>
   <mi>f</mi>
   <mi>g</mi>
  </mfrac>
  </mstyle>
  </mrow>
</math> is continuous on its domain.</p>

Looking forward to your update on this bug.

Thanks,
Audrey

[Davide P. Cervone]

Are you using Boostrap on your website?  It turns out that some of it CSS interferes with the CommonHTML fractions.  See

https://github.com/mathjax/MathJax/issues/1393

Your examples render properly for me.  If you aren't using bootstrap, can you back a codebin or jsfiddle example that illustrates your situation?  And indicate which browser and OS you are using?  Thanks.

Davide

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<mathjax-fraction.PNG>

[Audrey Krawec]

Yes, I am using Bootstrap.