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Update font-size macros to correct LaTeX values and make fontsizev3 package for backward compatibility
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-18
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7 files changed

+82
-18
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‎components/mjs/input/tex/extensions/fontsizev3/config.json‎

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{
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"build": {
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"id": "[tex]/fontsizev3",
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"component": "input/tex/extensions/fontsizev3",
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"targets": ["input/tex/fontsizev3"]
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},
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"webpack": {
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"name": "input/tex/extensions/fontsizev3",
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"libs": [
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"components/src/input/tex-base/lib",
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"components/src/core/lib"
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]
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}
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}

‎components/mjs/input/tex/extensions/fontsizev3/fontsizev3.js‎

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import './lib/fontsizev3.js';

‎components/mjs/source.js‎

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@@ -49,6 +49,7 @@ export const source = {
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'[tex]/empheq': `${src}/input/tex/extensions/empheq/empheq.js`,
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'[tex]/enclose': `${src}/input/tex/extensions/enclose/enclose.js`,
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'[tex]/extpfeil': `${src}/input/tex/extensions/extpfeil/extpfeil.js`,
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'[tex]/fontsizev3': `${src}/input/tex/extensions/fontsizev3/fontsizev3.js`,
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'[tex]/gensymb': `${src}/input/tex/extensions/gensymb/gensymb.js`,
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'[tex]/html': `${src}/input/tex/extensions/html/html.js`,
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'[tex]/mathtools': `${src}/input/tex/extensions/mathtools/mathtools.js`,

‎testsuite/tests/input/tex/__snapshots__/Base.test.ts.snap‎

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@@ -7657,53 +7657,53 @@ exports[`Roots Tweaked Root 1`] = `
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exports[`Setting sizes Empty 1`] = `
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"<math xmlns="http://www.w3.org/1998/Math/MathML" data-latex="\\Huge" display="block">
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<mstyle mathsize="2.49em" data-latex="\\Huge"></mstyle>
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<mstyle mathsize="2.074em" data-latex="\\Huge"></mstyle>
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</math>"
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`;
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exports[`Setting sizes Huge 1`] = `
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"<math xmlns="http://www.w3.org/1998/Math/MathML" data-latex="\\Huge a" display="block">
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<mstyle mathsize="2.49em" data-latex="\\Huge a">
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<mstyle mathsize="2.074em" data-latex="\\Huge a">
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<mi data-latex="a">a</mi>
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</mstyle>
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</math>"
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`;
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exports[`Setting sizes LARGE 1`] = `
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"<math xmlns="http://www.w3.org/1998/Math/MathML" data-latex="\\LARGE a" display="block">
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<mstyle mathsize="1.73em" data-latex="\\LARGE a">
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<mstyle mathsize="1.44em" data-latex="\\LARGE a">
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<mi data-latex="a">a</mi>
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</mstyle>
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</math>"
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`;
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exports[`Setting sizes Large 1`] = `
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"<math xmlns="http://www.w3.org/1998/Math/MathML" data-latex="\\Large a" display="block">
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<mstyle mathsize="1.44em" data-latex="\\Large a">
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<mstyle mathsize="1.2em" data-latex="\\Large a">
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<mi data-latex="a">a</mi>
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</mstyle>
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</math>"
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`;
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exports[`Setting sizes Tiny 1`] = `
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"<math xmlns="http://www.w3.org/1998/Math/MathML" data-latex="\\Tiny a" display="block">
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<mstyle mathsize="0.6em" data-latex="\\Tiny a">
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<mstyle mathsize="0.5em" data-latex="\\Tiny a">
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<mi data-latex="a">a</mi>
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</mstyle>
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</math>"
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`;
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exports[`Setting sizes huge 1`] = `
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"<math xmlns="http://www.w3.org/1998/Math/MathML" data-latex="\\huge a" display="block">
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<mstyle mathsize="2.07em" data-latex="\\huge a">
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<mstyle mathsize="1.728em" data-latex="\\huge a">
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<mi data-latex="a">a</mi>
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</mstyle>
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</math>"
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`;
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exports[`Setting sizes large 1`] = `
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"<math xmlns="http://www.w3.org/1998/Math/MathML" data-latex="\\large a" display="block">
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<mstyle mathsize="1.2em" data-latex="\\large a">
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<mstyle mathsize="1.095em" data-latex="\\large a">
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<mi data-latex="a">a</mi>
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</mstyle>
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</math>"
@@ -7727,15 +7727,15 @@ exports[`Setting sizes scriptsize 1`] = `
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exports[`Setting sizes small 1`] = `
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"<math xmlns="http://www.w3.org/1998/Math/MathML" data-latex="\\small a" display="block">
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<mstyle mathsize="0.85em" data-latex="\\small a">
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<mstyle mathsize="0.9em" data-latex="\\small a">
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<mi data-latex="a">a</mi>
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</mstyle>
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</math>"
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`;
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exports[`Setting sizes tiny 1`] = `
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"<math xmlns="http://www.w3.org/1998/Math/MathML" data-latex="\\tiny a" display="block">
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<mstyle mathsize="0.5em" data-latex="\\tiny a">
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<mstyle mathsize="0.6em" data-latex="\\tiny a">
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<mi data-latex="a">a</mi>
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</mstyle>
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</math>"

‎testsuite/tests/input/tex/__snapshots__/Mathtools.test.ts.snap‎

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@@ -3901,7 +3901,7 @@ exports[`Mathtools Symbols Other 1`] = `
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</mrow>
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<munder data-latex="\\mathop{\\Large\\kern-.1em\\boldsymbol{\\times}\\kern-.1em}_n">
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<mrow data-mjx-texclass="OP" data-latex="\\mathop{\\Large\\kern-.1em\\boldsymbol{\\times}\\kern-.1em}">
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<mstyle mathsize="1.44em" data-latex="\\Large\\kern-.1em\\boldsymbol{\\times}\\kern-.1em">
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<mstyle mathsize="1.2em" data-latex="\\Large\\kern-.1em\\boldsymbol{\\times}\\kern-.1em">
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<mspace width="-.1em" linebreak="nobreak" data-latex="\\kern-.1em"></mspace>
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<mo data-latex="\\boldsymbol{\\times}" mathvariant="bold">&#xD7;</mo>
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<mspace width="-.1em" linebreak="nobreak" data-latex="\\kern-.1em"></mspace>

‎ts/input/tex/base/BaseMappings.ts‎

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@@ -452,16 +452,20 @@ new sm.CommandMap('macros', {
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textsf: [BaseMethods.HBox, null, VARIANT.SANSSERIF],
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texttt: [BaseMethods.HBox, null, VARIANT.MONOSPACE],
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tiny: [BaseMethods.SetSize, 0.5],
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Tiny: [BaseMethods.SetSize, 0.6], // non-standard
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Tiny: [BaseMethods.SetSize, 0.5],
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tiny: [BaseMethods.SetSize, 0.6],
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scriptsize: [BaseMethods.SetSize, 0.7],
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small: [BaseMethods.SetSize, 0.85],
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SMALL: [BaseMethods.SetSize, 0.7],
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Small: [BaseMethods.SetSize, 0.8],
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footnotesize: [BaseMethods.SetSize, 0.8],
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small: [BaseMethods.SetSize, 0.9],
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normalsize: [BaseMethods.SetSize, 1.0],
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large: [BaseMethods.SetSize, 1.2],
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Large: [BaseMethods.SetSize, 1.44],
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LARGE: [BaseMethods.SetSize, 1.73],
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huge: [BaseMethods.SetSize, 2.07],
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Huge: [BaseMethods.SetSize, 2.49],
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large: [BaseMethods.SetSize, 1.095],
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Large: [BaseMethods.SetSize, 1.2],
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LARGE: [BaseMethods.SetSize, 1.44],
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huge: [BaseMethods.SetSize, 1.728],
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Huge: [BaseMethods.SetSize, 2.074],
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HUGE: [BaseMethods.SetSize, 2.49],
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arcsin: BaseMethods.NamedFn,
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arccos: BaseMethods.NamedFn,

‎ts/input/tex/fontsizev3/FontSizeV3Configuration.ts‎

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/*************************************************************
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*
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* Copyright (c) 2026 The MathJax Consortium
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/**
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* @file Configuration file for the v3-compatible font size macros (\large, etc.)
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*
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* @author dpvc@mathjax.org (Davide P. Cervone)
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*/
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import { HandlerType, ConfigurationType } from '../HandlerTypes.js';
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import { CommandMap } from '../TokenMap.js';
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import { Configuration } from '../Configuration.js';
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import BaseMethods from '../base/BaseMethods.js';
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new CommandMap('fontsizev3-macros', {
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tiny: [BaseMethods.SetSize, 0.5], // // should have been .6
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Tiny: [BaseMethods.SetSize, 0.6], // // should have been .5
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scriptsize: [BaseMethods.SetSize, 0.7],
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small: [BaseMethods.SetSize, 0.85], // // should have been .9
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normalsize: [BaseMethods.SetSize, 1.0],
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large: [BaseMethods.SetSize, 1.2], // // should have been 1.095
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Large: [BaseMethods.SetSize, 1.44], // // should have been 1.2
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LARGE: [BaseMethods.SetSize, 1.73], // // should have been 1.44
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huge: [BaseMethods.SetSize, 2.07], // // should have been 1.728
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Huge: [BaseMethods.SetSize, 2.49], // // should have been 2.074
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});
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export const FontSizeV3Configuration = Configuration.create('fontsizev3', {
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[ConfigurationType.HANDLER]: { [HandlerType.MACRO]: ['fontsizev3-macros'] },
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});

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