◇◆
%ent-mmlextra; MathML Extra Entities Module
External module called by the Mathematical Markup Language (MathML) Use MathML
documentation (https://www.w3.org/TR/MathML3/ or https://www.w3.org/TR/MathML2/).
Article Authoring Tag Library NISO JATS Version 1.3 (ANSI/NISO Z39.96-2021)
Version of June 2021