<classSpec rend="add" ident="att.extSym.auth" module="MEI.externalsymbols" type="atts">
<desc xml:lang="en">Attributes that point to an external symbol authority.</desc>
<attList>
<attDef ident="glyph.auth" usage="opt">
<desc xml:lang="en">A name or label associated with the controlled vocabulary from which the value of
<att>glyph.name</att> or
<att>glyph.num</att> is taken, or the textual content of the element.</desc>
<datatype>
<rng:data type="NMTOKEN"/>
</datatype>
<valList type="semi">
<valItem ident="smufl">
<desc xml:lang="en">Standard Music Font Layout.</desc>
</valItem>
</valList>
</attDef>
<attDef ident="glyph.uri" usage="opt">
<desc xml:lang="en">The web-accessible location of the controlled vocabulary from which the value of
<att>glyph.name</att> or
<att>glyph.num</att> is taken, or the textual content of the element.</desc>
</attDef>
</attList>
</classSpec>