The model of this element is based on the supportDesc element of the Text Encoding Initiative (TEI).
                                 <elementSpec ident="supportDesc" module="MEI.msDesc">
                                    
                                    <gloss xml:lang="en">support description</gloss>
                                    
                                    <desc xml:lang="en">Groups elements describing the physical support material of an
                                       item.</desc>
                                    
                                    <classes>
                                       
                                       <memberOf key="att.common"/>
                                       
                                       <memberOf key="att.bibl"/>
                                       
                                       <memberOf key="att.lang"/>
                                       
                                       <memberOf key="model.physDescPart"/>
                                       </classes>
                                    
                                    <content>
                                       
                                       <rng:choice>
                                          
                                          <rng:group>
                                             
                                             
                                             
                                             <rng:choice>
                                                
                                                
                                                
                                                <rng:group>
                                                   
                                                   
                                                   
                                                   
                                                   
                                                   
                                                   
                                                   
                                                   </rng:group>
                                                </rng:choice>
                                             </rng:group>
                                          
                                          <rng:zeroOrMore>
                                             
                                             
                                             </rng:zeroOrMore>
                                          </rng:choice>
                                       </content>
                                    
                                    <attList>
                                       
                                       <attDef ident="material" usage="opt">
                                          
                                          <desc xml:lang="en">Short, project-defined name for the material composing the majority of the
                                             support.</desc>
                                          
                                          <datatype>
                                             
                                             <rng:data type="NMTOKEN"/>
                                             </datatype>
                                          
                                          <valList type="semi">
                                             
                                             <valItem ident="paper">
                                                
                                                <desc xml:lang="en">Paper.</desc>
                                                </valItem>
                                             
                                             <valItem ident="parch">
                                                
                                                <desc xml:lang="en">Parchment.</desc>
                                                </valItem>
                                             
                                             <valItem ident="mixed">
                                                
                                                <desc xml:lang="en">Mixed materials.</desc>
                                                </valItem>
                                             </valList>
                                          </attDef>
                                       </attList>
                                    
                                    <remarks xml:lang="en">
                                       
                                       <p>The model of this element is based on the <ref target="https://tei-c.org/release/doc/tei-p5-doc/en/html/ref-supportDesc.html">supportDesc</ref> element of the Text Encoding Initiative (TEI).</p>
                                       </remarks>
                                    </elementSpec>