[MathJax] = 后面有 mo 设置了 lspace 就自动添加 rspace 属性

hbghlyj

1. \(=1\mmlToken{mo}[lspace=.2 rspace=.1]{d}x\)

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\(=1\mmlToken{mo}[lspace=.2 rspace=.1]{d}x\)
生成的MathML为

1. <math xmlns="http://www.w3.org/1998/Math/MathML">
2.   <mo>=</mo>
3.   <mn>1</mn>
4.   <mo lspace=".2" rspace=".1">d</mo>
5.   <mi>x</mi>
6. </math>

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把1去掉:

1. \(=\mmlToken{mo}[lspace=.2 rspace=.1]{d}x\)

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\(=\mmlToken{mo}[lspace=.2 rspace=.1]{d}x\)
生成的MathML为

1. <math xmlns="http://www.w3.org/1998/Math/MathML">
2.   <mo rspace="0pt">=</mo>
3.   <mo lspace=".2" rspace=".1">d</mo>
4.   <mi>x</mi>
5. </math>

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可见, 这里的 = 被自动加上了 rspace="0pt" 属性

hbghlyj

是否和MathJax closed issue 2392有关?

I also implemented your Max(rspace,lspace) idea. So I think that should resolve the issues here.