(alternative identifier) – May contain a bibliographic identifier that does not fit within the meiHead element's id attribute, for example because the identifier does not fit the definition of an XML id or because multiple identifiers are needed.
Module MEI.header
@analog(optional)Contains a reference to a field or element in another descriptive encoding system to which this MEI element is comparable. Value of datatype string. att.bibl
@label(optional)Provides a name or label for an element. The value may be any string. Value of datatype string. att.commonPart
@n(optional)Provides a number-like designation for an element. Value conforms to token. att.common
@subtype(optional)Provide any sub-classification for the element, additional to that given by its type attribute. Value of datatype NMTOKEN. att.typed
@type(optional)Characterizes the element in some sense, using any convenient classification scheme or typology. Value of datatype NMTOKEN. att.typed
@xml:base(optional)Provides a base URI reference with which applications can resolve relative URI references into absolute URI references. Value conforms to data.URI. att.commonPart
@xml:id(optional)Regularizes the naming of an element and thus facilitates building links between it and other resources. Each id attribute within a document must have a unique value. Value of datatype ID. att.id
Member of
Contained by
May contain
MEI.sharedlb rend stack
<memberOf key="att.bibl"/>
<memberOf key="att.common"/>
<memberOf key="att.typed"/>
<rng:ref name="model.lbLike" />
<rng:ref name="model.rendLike" />

One or the other of altId or the id attribute on mei is required when applicable.