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Fixes issue https://github.com/mathjax/MathJax/issues/3120 #1028

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merged 2 commits into from
Feb 1, 2024
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Fixes issue https://github.com/mathjax/MathJax/issues/3120 #1028

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4c48fd8
Fixes issue https://github.com/mathjax/MathJax/issues/3120
zorkow Dec 4, 2023
9781b6c
Adds the caret case.
zorkow Jan 19, 2024
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6 changes: 4 additions & 2 deletions ts/input/tex/TexParser.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -558,7 +558,8 @@ export default class TexParser {
str = '\\' + str;
}
// These are the cases to handle sub and superscripts.
if (node.attributes.get(TexConstant.Attr.LATEX) === '^' && str !== '^') {
if (node.attributes.get(TexConstant.Attr.LATEX) === '^' &&
str !== '^' && str !== '\\^') {
if (str === '}') {
this.composeBraces(node.childNodes[2]);
} else {
Expand All @@ -572,7 +573,8 @@ export default class TexParser {
}
return;
}
if (node.attributes.get(TexConstant.Attr.LATEX) === '_' && str !== '_') {
if (node.attributes.get(TexConstant.Attr.LATEX) === '_' &&
str !== '_' && str !== '\\_') {
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I think you need a similar fix for ^ in line 561 above, in case anyone creates a macro \^ similar to the \_ one.

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At the moment that can't really happen as latex computation happens after the macro replacement.
But I am not really happy with that anyway, so I've added the case.
PTAL.

if (str === '}') {
this.composeBraces(node.childNodes[1]);
} else {
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