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Beautiful math in all browsers

React Component Library for MathJax

Readium: open source library for handling EPUB documents

Build and release tools for the MathJax project

A library of WeBWorK problem contributed by the OpenWeBWorK community

Parse mathematical text into an abstract syntax tree

An extension for Arabic math support in MathJax.

🌍 The best FOSS web front-end resource CDN

A work-a-like for the CSSStyleDeclaration in https://github.com/NV/CSSOM, but with CSS2Properties interface

issue commentmathjax/MathJax

As you say, trying to decide whether {GL}_2 should be separate mi elements for G and L or a single one containing both is not easy. Note, however, that your example \rm{GL}_2 is not correct (or at least not what I think you intend), as \rm doesn't take an argument; it is a switch that turns the font to roman from then on (so in your example, it applies to the 2 as well as anything else that follows, and the braces are redundant). You may have meant {\rm GL}_2, but I don't consider this to be semantic as the \rm is changing the font style, not providing a meaning.

Did you mean \mathrm{GL}_2 instead? As it turns out, MathJax does code \mathrm{GL}_2 using a single mi for both letters. This was the result of a discussion in issue #2595 where \mathbf, \mathrm, and similar macros are handled specially so that letter groups in their arguments are combined into a single mi, as will occur in your example. Personally, I still don't consider the use of \mathrm, etc., to be semantic, but apparently some do.

There is also \operatorname{GL}_2 that actually is semantic, and does produce a single mi, when possible. Finally, \mathop{\rm GL}\nolimits_2 also produces a single mi (as a special case), since this also suggests a semantic interpretation.

The \mathrm handling is new in v3.1, but the \operatorname and \mathop treatment is also in v2.

NSoiffer

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pull request commentmathjax/MathJax-src

@EricDunsworth, yes, thanks. I've corrected the statement.

dpvc

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issue commentmathjax/MathJax

@apolanco115, yes. I have the data files ready for Gyre Pagella read to go for the next release (and will have the other Gyre fonts as well). The tools for creating the needed MathJax data files will be made available, so you could create your own font for Fira Sans, or a font extension to override some of an existing font.

gbala2412

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PR opened mathjax/MathJax-src

This PR corrects the location for the empheq and cases extensions, which were being put into the wrong place.

Resolves issue mathjax/MathJax#2762.

+8 -8

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create barnchmathjax/MathJax-src

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issue commentmathjax/MathJax-docs

See mathjax/MathJax#2762 for a workaround. Thanks for reporting the issue.

ickc

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issue commentmathjax/MathJax

Thanks for your report. It turns out that the build file for empheq and cases put the packed file into the wrong location. I will make a pull request to fix it, but in the meantime, you can use

MathJax = {
source: {
'[tex]/empheq': 'https://cdn.jsdelivr.net/npm/mathjax-full@3/components/es5/empheq.js',
'[tex]/cases': 'https://cdn.jsdelivr.net/npm/mathjax-full@3/components/es5/cases.js',
}
},
};


to access these components.

ickc

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commit sha 1335230503dddfeb0e07687308a55795d9c005e8

Update issue templates

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Merge branch 'develop'

commit sha 7146ffa47956e7dae05739cfe905d8aaf1e4780a

Release version 3.2.0

CONTRIBUTING: Fix broken CSS-Tricks link The "reduced test case" link in the bug reports section was pointing to a 404 error page. This brings it back to life. Port of mathjax/MathJax-src#740

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CONTRIBUTING: Fix broken CSS-Tricks link The "reduced test case" link in the bug reports section was pointing to a 404 error page. This brings it back to life. Port of mathjax/MathJax-src#740

commit sha bea9e1a6e6433d6eef739f3df1f449d49285d0cd

Merge pull request #2763 from EricDunsworth/contributing-css-tricks-fix CONTRIBUTING: Fix broken CSS-Tricks link

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PR merged mathjax/MathJax

The "reduced test case" link in the bug reports section was pointing to a 404 error page.

This brings it back to life.

Port of mathjax/MathJax-src#740

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EricDunsworth

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pull request commentmathjax/MathJax

Thanks again.

EricDunsworth

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Bump ini from 1.3.5 to 1.3.7 Bumps [ini](https://github.com/isaacs/ini) from 1.3.5 to 1.3.7. - [Release notes](https://github.com/isaacs/ini/releases) - [Commits](https://github.com/isaacs/ini/compare/v1.3.5...v1.3.7) Signed-off-by: dependabot[bot] <support@github.com>

commit sha aa41c0b9362de07c29dcef6de474941385386293

Merge pull request #567 from mathjax/dependabot/npm_and_yarn/ini-1.3.7 Bump ini from 1.3.5 to 1.3.7

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fix typo: adding the missing colon

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Bump elliptic from 6.5.3 to 6.5.4 Bumps [elliptic](https://github.com/indutny/elliptic) from 6.5.3 to 6.5.4. - [Release notes](https://github.com/indutny/elliptic/releases) - [Commits](https://github.com/indutny/elliptic/compare/v6.5.3...v6.5.4) Signed-off-by: dependabot[bot] <support@github.com>

commit sha c41585debaed8a73f0f90b451c1c2be047bb875e

Merge pull request #613 from mathjax/dependabot/npm_and_yarn/elliptic-6.5.4 Bump elliptic from 6.5.3 to 6.5.4

Bump y18n from 4.0.0 to 4.0.1 Bumps [y18n](https://github.com/yargs/y18n) from 4.0.0 to 4.0.1. - [Release notes](https://github.com/yargs/y18n/releases) - [Changelog](https://github.com/yargs/y18n/blob/master/CHANGELOG.md) - [Commits](https://github.com/yargs/y18n/commits) Signed-off-by: dependabot[bot] <support@github.com>

commit sha ec3415931aeb5237bb365fc6c8ef248c9703228e

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Merge branch 'develop' into master (version 3.1.3)

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Merge branch 'develop'

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Merge branch 'develop'

Merge pull request #693 from mathjax/issue2678 Clear the stylesheet when used in a new MathDocument. (mathjax/MathJax#2678)

commit sha 08f05968d564da9eaae2a85be74d48cf9eda25db

Revert "Clear the stylesheet when used in a new MathDocument. (mathjax/MathJax#2678)"

Merge pull request #711 from mathjax/revert-693-issue2678 Revert "Clear the stylesheet when used in a new MathDocument. (mathjax/MathJax#2678)"

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Release version 3.2.0.

commit sha d53fb1e4ae7478ec1a1a4f99ecb06c8f3fb9a85d

CONTRIBUTING: Fix broken CSS-Tricks link The "reduced test case" link in the bug reports section was pointing to a 404 error page. This brings it back to life.

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CONTRIBUTING: Fix broken CSS-Tricks link The "reduced test case" link in the bug reports section was pointing to a 404 error page. This brings it back to life.

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Merge pull request #740 from EricDunsworth/contributing-css-tricks-fix CONTRIBUTING: Fix broken CSS-Tricks link

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PR merged mathjax/MathJax-src

The "reduced test case" link in the bug reports section was pointing to a 404 error page.

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EricDunsworth

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pull request commentmathjax/MathJax-src

EricDunsworth

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issue commentmathjax/MathJax

I'm trying to work through a backlog of questions, and have been working from recent backwards. Due to personal reasons, I have not been able to respond to nearly anyone for the past month or more, and now my teaching schedule limits by availability. There is also a funding issue that is also limiting my hours for MathJax; perhaps the ACS would be willing to become a MathJax sponsor?

Do you think you or someone else could please take a look at these some time soon too?

There really is no one else to do it. There are two developers for MathJax, and your questions fall into my area of expertise, so I am the one who has to answer them. The line breaking questions are a bit more complicated than this one, and will take more time to answer, so gave you a response here first, since it would get you something more quickly. I will get to the others as soon as I am able.

jmitsdarfer

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Don't export V and H, which seem to cause problems in components/src/svg.js when loaded by System.js in browser

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Get V and H from Direction.js, since it is no longer exported from FontData.js

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Move output font option to fontData and use font to specify font component to load

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Properly handle missing configuration, and fix jax name in chtml

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commit sha 24d1d0e78fc0fd15aa6a7d755e1de93fefecfa77

Don't export V and H, which seem to cause problems in components/src/svg.js when loaded by System.js in browser

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Get V and H from Direction.js, since it is no longer exported from FontData.js

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Add html element's opening tag Some demos had it, but others didn't. Since all of them contain closing tags, the lack of opening ones was probably unintentional.

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Merge pull request #36 from EricDunsworth/html-opening-tag Add html element's opening tag

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PR merged mathjax/MathJax-demos-web

Some demos had it, but others didn't.

Since all of them contain closing tags, the lack of opening ones was probably unintentional.

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EricDunsworth

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pull request commentmathjax/MathJax-demos-web

Thanks for the fix. I must have accidentally deleted it in one file, and it propagated when I duplicated that file to create the others.

EricDunsworth

comment created time in 7 days

issue commentmathjax/MathJax

MathJax needs to have data about how to stretch each stretchy character, and not every potentially stretchy character has that data (most of it was taken from the font's OpenType MATH table, which lists the stretchy characters). But you can add more characters to the delimiter table as needed. For example, adding

MathJax.Hub.Register.StartupHook("HTML-CSS Jax Ready", function () {
var HTMLCSS = MathJax.OutputJax['HTML-CSS'];
var DELIMITERS = HTMLCSS.FONTDATA.DELIMITERS;
DELIMITERS[0x0305] = {dir: "H", alias: 0x00AF};
DELIMITERS[0x033F] = {dir: "H", alias: 0x003D};
DELIMITERS[0x20E1] = {dir: "H", alias: 0x2194};
});


to your configuration would define the stretchy data for the three missing (by making them act like the ones that you mentioned, for which stretchy data is available). Is that good enough?

jmitsdarfer

comment created time in 8 days

issue commentmathjax/MathJax

There are several reasons these are not included. First, MathJax concentrates on math-mode macros, not text-mode ones. Even though you can use \text{}, by default very few text macros are processed. Second, MathJax doesn't usually define macros for characters that aren't in its default fonts, and most of the ones on your list are not in the MathJax fonts. That means MathJax would need to call on local fonts on your system, and the results would vary from user to user, depending on the fonts they have installed.

You can, of course, define these macros yourself in your MathJax configuration, if you are willing to accept the variation that users may see. You will need to include the textmacros package in your configuration, and you may want to set mtextInheritFont to true so that the unknown characters will match the rest of your text better. For example:

MathJax = {
tex: {
packages: {'[+]': ['textmacros']},
macros: {
oe: '\u0153',
OE: '\u0152',
ae: '\u00E6',
AE: '\u00C6',
aa: '\u00E5',
AA: '\u00C5',
o:  '\u00F8',
O:  '\u00D8',
l:  '\u0142',
L:  '\u0141',
ss: '\u00DF',
SS: '\u1E9E',
dag: '\u2020',
ddag: '\u2021',
P:  '\u00B6',
pounds: '\u00A3'
}
},
chtml: {
mtextInheritFont: true
},
sag: {
mtextInheritFont: true
}
};


should do the trick.

bdtc

comment created time in 8 days

issue commentmathjax/MathJax

woody-li

comment created time in 8 days

issue commentmathjax/MathJax

I'm not able to reproduce the issue in DuckDuckGo 5.95.0 on Android 11 on a Samsung A32 phone. I don't have access to a Galaxy Tab to try it there. Can you try updating DuckDuckGo and see if that helps?

shaughanlavine

comment created time in 8 days

issue commentmathjax/MathJax

I thought it sounded familiar. It looks like that was after we had started on v3 already, and so the patch was done to v2 without it making it into v3. I can see about adding it in.

pkra

comment created time in 8 days

issue commentmathjax/MathJax

Right now, ignoreClass and the related options only affect TeX and AsciiMath processing, not MathML. The mechanism for finding MathML tags is different, and doesn't require walking the DOM tree, as is required for TeX and AsciiMath. I've considered doing the same for MathML, but it hasn't been a priority.

On the other hand, you could override the current FindMathML object in the MathML input jax's options and have it filter out certain math nodes, say ones that are marked with class="mathjax_ignore". Here is a configuration that does that:

MathJax = {
startup: {
const {combineDefaults} = MathJax._.components.global;
const {FindMathML} = MathJax._.input.mathml.FindMathML;

class myFindMathML extends FindMathML {
processMath(set) {
for (const node of set.values()) {
set.delete(node);
}
}
return super.processMath(set);
}
}

combineDefaults(MathJax.config, 'mml', {FindMathML: new myFindMathML()});

}
}
};

xworld21

comment created time in 8 days

issue commentmathjax/MathJax

It is on my list of things to do. I worked a bit on the rowspan and colspan options for tables, and was planning to consider this as part of a larger table update next year.

pkra

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Done export V and H, which seem to cause problems in components/src/svg.js when loaded by System.js in browser

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Move output font option to fontData and use font to specify font component to load

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Properly handle missing configuration, and fix jax name in chtml

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