%Schema.prefix;
Make Prefix Equal “xsi”
Establishes the “xsi” prefix to enable use of the W3C XSD Schema elements (part of the MathML DTD setup)
Model
<!ENTITY % Schema.prefix "xsi" >
<!ENTITY % Schema.prefix "xsi" >
Article Authoring Tag Library NISO JATS Draft Version 1.1d3
Version of April 2015