docs: function (jax,id,script) {
      delete jax.enriched;
      if (this.config.disabled) return;
      try {
        this.running = true;
        var mml = sre.Enrich.semanticMathmlSync(jax.root.toMathML());
        jax.root = MathJax.InputJax.MathML.Parse.prototype.MakeMML(mml);
        jax.root.inputID = script.id;
        jax.enriched = true;
        this.running = false;
      } catch (err) {
        this.running = false;
        throw err;
      }
    }