%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" >
Journal Publishing Tag Library NISO JATS Version 1.1 (ANSI/NISO Z39.96-2015)
Version of December 2015