Build with mathjax 3.2.0

Newer mathjax has problem with batch mode

Author: linev

build/jsroot.js

@@ -12,7 +12,7 @@ const version_id = 'dev',
 
 /** @summary version date
   * @desc Release date in format day/month/year like '14/04/2022' */
-version_date = '11/09/2025',
+version_date = '16/09/2025',
 
 /** @summary version id and date
   * @desc Produced by concatenation of {@link version_id} and {@link version_date}
@@ -10843,7 +10843,8 @@ async function loadMathjax() {
        displayIndent: '0',            // default for indentshift when set to 'auto'
        fontCache: 'local',            // or 'global' or 'none'
        localID: null,                 // ID to use for local font cache (for single equation processing)
-       blacker: 3                     // the stroke-width to use for SVG character paths
+       internalSpeechTitles: true,    // insert <title> tags with speech content
+       titleID: 0                     // initial id number to use for aria-labeledby titles
    };
 
    if (!isNodeJs()) {
@@ -10868,12 +10869,12 @@ async function loadMathjax() {
          }
       };
 
-      let mj_dir = '../mathjax/4.0.0';
+      let mj_dir = '../mathjax/3.2.0';
       if (browser.webwindow && exports.source_dir.indexOf('https://root.cern/js') < 0 && exports.source_dir.indexOf('https://jsroot.gsi.de') < 0)
          mj_dir = 'mathjax';
 
-      return loadScript(exports.source_dir + mj_dir + '/tex-svg.js')
-               .catch(() => loadScript('https://cdn.jsdelivr.net/npm/mathjax@4/tex-svg.js'))
+      return loadScript(exports.source_dir + mj_dir + '/es5/tex-svg.js')
+               .catch(() => loadScript('https://cdn.jsdelivr.net/npm/mathjax@3.2.0/es5/tex-svg.js'))
                .then(() => promise);
    }
 
@@ -11292,7 +11293,7 @@ function applyAttributesToMathJax(painter, mj_node, svg, arg, font_size, svg_fac
   * @private */
 async function produceMathjax(painter, mj_node, arg) {
    const mtext = translateMath(arg.text, arg.latex, arg.color, painter),
-         options = { em: arg.font.size, ex: arg.font.size/2, family: arg.font.name, scale: 1, containerWidth: -1 };
+         options = { em: arg.font.size, ex: arg.font.size/2, family: arg.font.name, scale: 1, containerWidth: -1, lineWidth: 100000 };
 
    return loadMathjax()
           .then(mj => mj.tex2svgPromise(mtext, options))

changes.md

@@ -12,7 +12,6 @@
 1. Support reading TBranch from old ROOT files with custom streamers
 1. Upgrade three.js r174 -> r180
 1. Upgrade lil-gui.mjs 0.19.2 -> 0.20.0
-1. Upgrade mathjax 3.2.2 -> 4.0.0
 1. Use ES6 modules to implement geoworker, enable node.js usage
 1. Remove experimental RHist classes, deprecated in ROOT 6.38
 1. Internal - ws members are private, new methods has to be used

modules/core.mjs

@@ -4,7 +4,7 @@ const version_id = 'dev',
 
 /** @summary version date
   * @desc Release date in format day/month/year like '14/04/2022' */
-version_date = '11/09/2025',
+version_date = '16/09/2025',
 
 /** @summary version id and date
   * @desc Produced by concatenation of {@link version_id} and {@link version_date}