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Issue created by Administrator@rootContributor

Operators closed up in mfrac in inline-formula

Created by: jmitsdarfer

Issue Summary

I noticed that operators like plus and minus signs are closed up when located in mfrac within an inline-formula (i.e., m:math with display="inline"). I am used to some changes occurring between display="block" and "inline", e.g., the limits of summations either being under/over or sub/sup, but I've not seen operator spacing affected like this before. Is this normal, expected behavior? We don't see the same behavior in our PDFs.

MathJax (plus and minus signs closed up): image

PDF (plus and minus signs are spaced): image

MathML:

<m:math altimg="jz1c00702_m042.gif" display="inline"
other="C:\DOCUME~1\jem00\LOCALS~1\Temp\MMLIMG4420269.png"
xmlns:dsi="http://www.dessci.com/uri/2003/MathML">
<m:msub><m:mrow><m:mi>E</m:mi></m:mrow><m:mrow><m:mi>ct</m:mi></m:mrow>
</m:msub><m:mo>&#x2243;</m:mo><m:mfrac><m:mrow><m:msup><m:mrow><m:mo
stretchy="false">(</m:mo><m:mi>&#x3b7;</m:mi><m:msub><m:mrow><m:mi
mathvariant="italic">eQ</m:mi></m:mrow><m:mrow><m:mi
mathvariant="normal">d</m:mi></m:mrow></m:msub><m:mo stretchy="false"
>)</m:mo></m:mrow><m:mrow><m:mn>2</m:mn></m:mrow></m:msup><m:msub>
<m:mrow><m:mi>l</m:mi></m:mrow><m:mrow><m:mi>ct</m:mi></m:mrow></m:msub>
</m:mrow><m:mrow><m:mn>2</m:mn><m:mi>A</m:mi><m:msub><m:mrow><m:mi
>&#x3b5;</m:mi></m:mrow><m:mrow><m:mn>0</m:mn></m:mrow></m:msub>
</m:mrow></m:mfrac><m:mo>&#x2212;</m:mo><m:mrow><m:mo stretchy="false"
>|</m:mo><m:msub><m:mrow><m:mi>Q</m:mi></m:mrow><m:mrow><m:mi
mathvariant="normal">d</m:mi></m:mrow></m:msub><m:mo stretchy="false"
>|</m:mo></m:mrow><m:mi>&#x3b7;</m:mi><m:mi mathvariant="normal">&#x394;</m:mi>
<m:mi>W</m:mi><m:mfrac><m:mrow><m:msub><m:mrow><m:mi>&#x3b5;</m:mi>
</m:mrow><m:mrow><m:mi mathvariant="normal">r</m:mi></m:mrow></m:msub>
<m:msub><m:mrow><m:mi>l</m:mi></m:mrow><m:mrow><m:mi>ct</m:mi></m:mrow>
</m:msub></m:mrow><m:mrow><m:mi>l</m:mi><m:mo>+</m:mo><m:mrow><m:mo
stretchy="false">(</m:mo><m:msub><m:mrow><m:mi>&#x3b5;</m:mi></m:mrow>
<m:mrow><m:mi mathvariant="normal">r</m:mi></m:mrow></m:msub><m:mo
>&#x2212;</m:mo><m:mn>1</m:mn><m:mo stretchy="false">)</m:mo></m:mrow>
<m:msub><m:mrow><m:mi>l</m:mi></m:mrow><m:mrow><m:mi>ct</m:mi></m:mrow>
</m:msub></m:mrow></m:mfrac>
</m:math>

Technical details:

MathJax Version: master - latest commit: MathJax.js v2.7.5 Client OS: Windows Browser: Chrome Version 91.0.4472.114 (Official Build) (64-bit) Renderer: HTML-CSS