<accMat>contains details of any significant additional material which may be closely associated with the manuscript being described, such as non-contemporaneous documents or fragments bound in with the manuscript at some earlier historical period.
Attributes:
typefurther characterizes the accompanying material, for example as letter, note, paste-in, etc.
Datatype: CDATA
Values: any convenient typology may be used
Default: #IMPLIED
Example
Class
Declaration
<!ELEMENT accMat  - -  (p+)>
<!ATTLIST accMat %a.global; 
type CDATA #IMPLIED>
See further2.8.3. Accompanying material

Appendix A Reference Documentation for Elements and Classes