Method addLeafExpression

www/js/_hyperscript.esm.js:1646–1649

(name, definition)

    }
  }
  addLeafExpression(name, definition) {
    this.#leafExpressions.push(name);
    this.addGrammarElement(name, definition);
  }
  addIndirectExpression(name, definition) {
    this.#indirectExpressions.push(name);
    this.addGrammarElement(name, definition);