Vishal Pankaj Chandratreya

> from the original implementation with no reason given That is unfortunate.😐 At a glance, it appears that this space was added so that the lines of two consecutive fractions...

From a quick look at the book, node 748 seems to suggest that the `Hlist` itself does not contain any extra space. Perhaps a space is added only if there...

> Do you have any idea of what TeX does to avoid the same problem? I think I've got it. Per node 764 of the book, all possible inter-noad space...

> just specifically encode an inter-fraction noad As far as I can tell, Mathtext's spacing algorithm is not the same as that of TeX. Mathtext adds spaces to `Hlist` objects....

> Then perhaps squash this together @anntzer Does this mean: add the subscript and superscript changes here? This would result in one less change for some images, because there are...

Of the 537 Mathtext image comparison tests failed, there were some that failed for Computer Modern, but not for the other fonts. I moved all the failing tests to `svgastext_math_tests`,...

> Of the 537 Mathtext image comparison tests failed, there were some that failed for Computer Modern, but not for the other fonts. I moved all the failing tests to...

Sure, I will update it.

Will rebase since https://github.com/matplotlib/matplotlib/pull/23270 has been merged.

`test_operator_space` has me stumped! --- ### `test_operator_space[png].png`  --- ### `test_operator_space[png]-expected.png`  --- ### `test_operator_space[png]-failed-diff.png`  --- The only difference between the figures is that...