External module for the Mathematical Markup Language (MathML) 2.0 Tag Set; this module is named in the Module to Name the Modules (%modules.ent;) and then called from the MathML setup module (%mathmlsetup.ent;) to include MathML elements in this Tag Set.
<!ENTITY % mathml.dtd PUBLIC "-//W3C//DTD MathML 2.0//EN" "mathml2.dtd" >
JATS-modules.ent