<manifestation>

A bibliographic description of a physical embodiment of an expression of a work.
3.3.1 Title Statement, 3.5.1 FRBR Entities in MEI, 3.6.12 Classification, 3.7 Encoding Sources in MEI, 3.8.2 Including non-MEI Metadata in MEI files, 12.1.1 Elements of the Facsimile Module
Module
MEI.frbr
Attributes
analog, auth, auth.uri, class, codedval, comptype, copyof, corresp, data, evaluate, follows, label, n, next, precedes, prev, recordtype, resp, sameas, singleton, synch, target, targettype, type, xlink:actuate, xlink:role, xlink:show, xml:base, xml:id
analog(optional)Contains a reference to a field or element in another descriptive encoding system to which this MEI element is comparable. Value is plain text.
<manifestation>att.bibl@analog
auth(optional)A name or label associated with a controlled vocabulary or other authoritative source for this element or its content. Value is plain text.
<manifestation>att.authorized@auth
auth.uri(optional)A web-accessible location of the controlled vocabulary or other authoritative source of identification or definition for this element or its content. This attribute may contain a complete URI or a partial URI which is completed by the value of the codedval attribute. Value conforms to data.URI.
<manifestation>att.authorized@auth.uri
class(optional)Contains one or more URIs which denote classification terms that apply to the entity bearing this attribute. One or more values from data.URI, separated by spaces.
<manifestation>att.commonatt.typedatt.classed@class
codedval(optional)A value that represents or identifies other data. Often, it is a primary key in the database or a unique value in the coded list identified by the auth or auth.uri attributes. One or more values of datatype NMTOKEN, separated by spaces.
<manifestation>att.authorizedatt.canonical@codedval
comptype(optional) Allowed values are: "constituent" (A physical and logical part of entity.), "boundwith" (A physical, but not logical component of the entity, usually included as part of the binding process.), "separated" (A logical component of the entity physically held elsewhere.)
<manifestation>att.componentType@comptype
copyof(optional)Points to an element of which the current element is a copy. Value conforms to data.URI.
<manifestation>att.commonatt.linking@copyof
corresp(optional)Used to point to other elements that correspond to this one in a generic fashion. One or more values from data.URI, separated by spaces.
<manifestation>att.commonatt.linking@corresp
data(optional)Used to link metadata elements to one or more data-containing elements. One or more values from data.URI, separated by spaces.
<manifestation>att.dataPointing@data
evaluate(optional)Specifies the intended meaning when a participant in a relationship is itself a pointer. Allowed values are: "all" (If an element pointed to is itself a pointer, then the target of that pointer will be taken, and so on, until an element is found which is not a pointer.), "one" (If an element pointed to is itself a pointer, then its target (whether a pointer or not) is taken as the target of this pointer.), "none" (No further evaluation of targets is carried out beyond that needed to find the element(s) specified in plist or target attribute.)
<manifestation>att.targetEval@evaluate
follows(optional)points to one or more events in a user-defined collection that are known to be predecessors of the current element. One or more values from data.URI, separated by spaces.
<manifestation>att.commonatt.linking@follows
label(optional)Captures text to be used to generate a label for the element to which it’s attached, a "tool tip" or prefatory text, for example. Should not be used to record document content. Value is plain text.
<manifestation>att.commonatt.labelled@label
n(optional)Provides a number-like designation that indicates an element’s position in a sequence of similar elements. May not contain space characters. Value conforms to data.WORD.
<manifestation>att.commonatt.nNumberLike@n
next(optional)Used to point to the next event(s) in a user-defined collection. One or more values from data.URI, separated by spaces.
<manifestation>att.commonatt.linking@next
precedes(optional)Points to one or more events in a user-defined collection that are known to be successors of the current element. One or more values from data.URI, separated by spaces.
<manifestation>att.commonatt.linking@precedes
prev(optional)Points to the previous event(s) in a user-defined collection. One or more values from data.URI, separated by spaces.
<manifestation>att.commonatt.linking@prev
recordtype(optional) Allowed values are: "a" (Language material.), "c" (Notated music.), "d" (Manuscript notated music.), "e" (Non-manuscript cartographic material.), "f" (Manuscript cartographic material.), "g" (Projected medium.), "i" (Nonmusical sound recording.), "j" (Musical sound recording.), "k" (Two-dimensional nonprojectable graphic.), "m" (Computer file.), "o" (Kit.), "p" (Mixed materials.), "r" (Three-dimensional artifact or naturally occurring object.), "t" (Manuscript language material. )
<manifestation>att.recordType@recordtype
resp(optional)Indicates the agent(s) responsible for some aspect of the text’s transcription, editing, or encoding. Its value must point to one or more identifiers declared in the document header. One or more values from data.URI, separated by spaces.
<manifestation>att.commonatt.responsibility@resp
sameas(optional)Points to an element that is the same as the current element but is not a literal copy of the current element. One or more values from data.URI, separated by spaces.
<manifestation>att.commonatt.linking@sameas
singleton(optional)Indicates the manifestation is a unique physical object. Value conforms to data.BOOLEAN.
<manifestation>direct children@singleton
synch(optional)Points to elements that are synchronous with the current element. One or more values from data.URI, separated by spaces.
<manifestation>att.commonatt.linking@synch
target(optional)Identifies passive participants in a relationship; that is, the entities pointed "to". One or more values from data.URI, separated by spaces.
<manifestation>att.pointing@target
targettype(optional)Characterization of target resource(s) using any convenient classification scheme or typology. Value is a NMTOKEN.
<manifestation>att.pointing@targettype
type(optional)Designation which characterizes the element in some sense, using any convenient classification scheme or typology that employs single-token labels. One or more values of datatype NMTOKEN, separated by spaces.
<manifestation>att.commonatt.typed@type
xlink:actuate(optional)Defines whether a link occurs automatically or must be requested by the user. Allowed values are: "onLoad" (Load the target resource(s) immediately.), "onRequest" (Load the target resource(s) upon user request.), "none" (Do not permit loading of the target resource(s).), "other" (Behavior other than allowed by the other values of this attribute.)
<manifestation>att.pointing@xlink:actuate
xlink:role(optional)Characterization of the relationship between resources. The value of the role attribute must be a URI. Value conforms to data.URI.
<manifestation>att.pointing@xlink:role
xlink:show(optional)Defines how a remote resource is rendered. Allowed values are: "new" (Open in a new window.), "replace" (Load the referenced resource in the same window.), "embed" (Embed the referenced resource at the point of the link.), "none" (Do not permit traversal to the referenced resource.), "other" (Behavior other than permitted by the other values of this attribute.)
<manifestation>att.pointing@xlink:show
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.
<manifestation>att.commonatt.basic@xml:base
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 is a valid xml:id.
<manifestation>att.commonatt.basicatt.id@xml:id
singleton(optional)Indicates the manifestation is a unique physical object. Value conforms to data.BOOLEAN.
(MEI.shared) Attributes common to many elements.
(MEI.shared) Attributes that form the basis of the att.common class.
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.
(MEI.shared) Attributes that uniquely identify an element.
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 is a valid xml:id.
(MEI.shared)
label(optional)Captures text to be used to generate a label for the element to which it’s attached, a "tool tip" or prefatory text, for example. Should not be used to record document content. Value is plain text.
(MEI.shared) Attributes that specify element-to-element relationships.
copyof(optional)Points to an element of which the current element is a copy. Value conforms to data.URI.
corresp(optional)Used to point to other elements that correspond to this one in a generic fashion. One or more values from data.URI, separated by spaces.
follows(optional)points to one or more events in a user-defined collection that are known to be predecessors of the current element. One or more values from data.URI, separated by spaces.
next(optional)Used to point to the next event(s) in a user-defined collection. One or more values from data.URI, separated by spaces.
precedes(optional)Points to one or more events in a user-defined collection that are known to be successors of the current element. One or more values from data.URI, separated by spaces.
prev(optional)Points to the previous event(s) in a user-defined collection. One or more values from data.URI, separated by spaces.
sameas(optional)Points to an element that is the same as the current element but is not a literal copy of the current element. One or more values from data.URI, separated by spaces.
synch(optional)Points to elements that are synchronous with the current element. One or more values from data.URI, separated by spaces.
(MEI.shared) Attributes used to supply a number-like designation for an element.
n(optional)Provides a number-like designation that indicates an element’s position in a sequence of similar elements. May not contain space characters. Value conforms to data.WORD.
(MEI.shared) Attributes capturing information regarding responsibility for some aspect of the text's creation, transcription, editing, or encoding.
resp(optional)Indicates the agent(s) responsible for some aspect of the text’s transcription, editing, or encoding. Its value must point to one or more identifiers declared in the document header. One or more values from data.URI, separated by spaces.
(MEI.shared) Attributes which can be used to classify features.
type(optional)Designation which characterizes the element in some sense, using any convenient classification scheme or typology that employs single-token labels. One or more values of datatype NMTOKEN, separated by spaces.
(MEI.shared) Attributes which can be used to classify features.
class(optional)Contains one or more URIs which denote classification terms that apply to the entity bearing this attribute. One or more values from data.URI, separated by spaces.
(MEI.shared) Attributes that describe the source of a controlled value.
auth(optional)A name or label associated with a controlled vocabulary or other authoritative source for this element or its content. Value is plain text.
auth.uri(optional)A web-accessible location of the controlled vocabulary or other authoritative source of identification or definition for this element or its content. This attribute may contain a complete URI or a partial URI which is completed by the value of the codedval attribute. Value conforms to data.URI.
(MEI.shared) Attributes that can be used to associate a representation such as a name or title with canonical information about the object being named or referenced.
codedval(optional)A value that represents or identifies other data. Often, it is a primary key in the database or a unique value in the coded list identified by the auth or auth.uri attributes. One or more values of datatype NMTOKEN, separated by spaces.
(MEI.shared) Bibliographic attributes.
analog(optional)Contains a reference to a field or element in another descriptive encoding system to which this MEI element is comparable. Value is plain text.
(MEI.msDesc) Attributes that express the relationship between a component and its host.
comptype(optional) Allowed values are: "constituent" (A physical and logical part of entity.), "boundwith" (A physical, but not logical component of the entity, usually included as part of the binding process.), "separated" (A logical component of the entity physically held elsewhere.)
(MEI.shared) Attributes for linking metadata to data.
data(optional)Used to link metadata elements to one or more data-containing elements. One or more values from data.URI, separated by spaces.
(MEI.shared) Attributes common to all pointing/linking elements.
xlink:actuate(optional)Defines whether a link occurs automatically or must be requested by the user. Allowed values are: "onLoad" (Load the target resource(s) immediately.), "onRequest" (Load the target resource(s) upon user request.), "none" (Do not permit loading of the target resource(s).), "other" (Behavior other than allowed by the other values of this attribute.)
xlink:role(optional)Characterization of the relationship between resources. The value of the role attribute must be a URI. Value conforms to data.URI.
xlink:show(optional)Defines how a remote resource is rendered. Allowed values are: "new" (Open in a new window.), "replace" (Load the referenced resource in the same window.), "embed" (Embed the referenced resource at the point of the link.), "none" (Do not permit traversal to the referenced resource.), "other" (Behavior other than permitted by the other values of this attribute.)
target(optional)Identifies passive participants in a relationship; that is, the entities pointed "to". One or more values from data.URI, separated by spaces.
targettype(optional)Characterization of target resource(s) using any convenient classification scheme or typology. Value is a NMTOKEN.
(MEI.header) Attributes that define the characteristics and components of the bibliographic description.
recordtype(optional) Allowed values are: "a" (Language material.), "c" (Notated music.), "d" (Manuscript notated music.), "e" (Non-manuscript cartographic material.), "f" (Manuscript cartographic material.), "g" (Projected medium.), "i" (Nonmusical sound recording.), "j" (Musical sound recording.), "k" (Two-dimensional nonprojectable graphic.), "m" (Computer file.), "o" (Kit.), "p" (Mixed materials.), "r" (Three-dimensional artifact or naturally occurring object.), "t" (Manuscript language material. )
(MEI.shared) Attributes that deal with resolution of values in plist or target attributes.
evaluate(optional)Specifies the intended meaning when a participant in a relationship is itself a pointer. Allowed values are: "all" (If an element pointed to is itself a pointer, then the target of that pointer will be taken, and so on, until an element is found which is not a pointer.), "one" (If an element pointed to is itself a pointer, then its target (whether a pointer or not) is taken as the target of this pointer.), "none" (No further evaluation of targets is carried out beyond that needed to find the element(s) specified in plist or target attribute.)
FRBR (Functional Requirements for Bibliographic Records) declarations.
singleton(optional)Indicates the manifestation is a unique physical object. Value conforms to data.BOOLEAN.
Metadata header component declarations.
recordtype(optional) Allowed values are: "a" (Language material.), "c" (Notated music.), "d" (Manuscript notated music.), "e" (Non-manuscript cartographic material.), "f" (Manuscript cartographic material.), "g" (Projected medium.), "i" (Nonmusical sound recording.), "j" (Musical sound recording.), "k" (Two-dimensional nonprojectable graphic.), "m" (Computer file.), "o" (Kit.), "p" (Mixed materials.), "r" (Three-dimensional artifact or naturally occurring object.), "t" (Manuscript language material. )
Manuscript description component declarations.
comptype(optional) Allowed values are: "constituent" (A physical and logical part of entity.), "boundwith" (A physical, but not logical component of the entity, usually included as part of the binding process.), "separated" (A logical component of the entity physically held elsewhere.)
Component declarations that are shared between two or more modules.
analog(optional)Contains a reference to a field or element in another descriptive encoding system to which this MEI element is comparable. Value is plain text.
auth(optional)A name or label associated with a controlled vocabulary or other authoritative source for this element or its content. Value is plain text.
auth.uri(optional)A web-accessible location of the controlled vocabulary or other authoritative source of identification or definition for this element or its content. This attribute may contain a complete URI or a partial URI which is completed by the value of the codedval attribute. Value conforms to data.URI.
class(optional)Contains one or more URIs which denote classification terms that apply to the entity bearing this attribute. One or more values from data.URI, separated by spaces.
codedval(optional)A value that represents or identifies other data. Often, it is a primary key in the database or a unique value in the coded list identified by the auth or auth.uri attributes. One or more values of datatype NMTOKEN, separated by spaces.
copyof(optional)Points to an element of which the current element is a copy. Value conforms to data.URI.
corresp(optional)Used to point to other elements that correspond to this one in a generic fashion. One or more values from data.URI, separated by spaces.
data(optional)Used to link metadata elements to one or more data-containing elements. One or more values from data.URI, separated by spaces.
evaluate(optional)Specifies the intended meaning when a participant in a relationship is itself a pointer. Allowed values are: "all" (If an element pointed to is itself a pointer, then the target of that pointer will be taken, and so on, until an element is found which is not a pointer.), "one" (If an element pointed to is itself a pointer, then its target (whether a pointer or not) is taken as the target of this pointer.), "none" (No further evaluation of targets is carried out beyond that needed to find the element(s) specified in plist or target attribute.)
follows(optional)points to one or more events in a user-defined collection that are known to be predecessors of the current element. One or more values from data.URI, separated by spaces.
label(optional)Captures text to be used to generate a label for the element to which it’s attached, a "tool tip" or prefatory text, for example. Should not be used to record document content. Value is plain text.
n(optional)Provides a number-like designation that indicates an element’s position in a sequence of similar elements. May not contain space characters. Value conforms to data.WORD.
next(optional)Used to point to the next event(s) in a user-defined collection. One or more values from data.URI, separated by spaces.
precedes(optional)Points to one or more events in a user-defined collection that are known to be successors of the current element. One or more values from data.URI, separated by spaces.
prev(optional)Points to the previous event(s) in a user-defined collection. One or more values from data.URI, separated by spaces.
resp(optional)Indicates the agent(s) responsible for some aspect of the text’s transcription, editing, or encoding. Its value must point to one or more identifiers declared in the document header. One or more values from data.URI, separated by spaces.
sameas(optional)Points to an element that is the same as the current element but is not a literal copy of the current element. One or more values from data.URI, separated by spaces.
synch(optional)Points to elements that are synchronous with the current element. One or more values from data.URI, separated by spaces.
target(optional)Identifies passive participants in a relationship; that is, the entities pointed "to". One or more values from data.URI, separated by spaces.
targettype(optional)Characterization of target resource(s) using any convenient classification scheme or typology. Value is a NMTOKEN.
type(optional)Designation which characterizes the element in some sense, using any convenient classification scheme or typology that employs single-token labels. One or more values of datatype NMTOKEN, separated by spaces.
xlink:actuate(optional)Defines whether a link occurs automatically or must be requested by the user. Allowed values are: "onLoad" (Load the target resource(s) immediately.), "onRequest" (Load the target resource(s) upon user request.), "none" (Do not permit loading of the target resource(s).), "other" (Behavior other than allowed by the other values of this attribute.)
xlink:role(optional)Characterization of the relationship between resources. The value of the role attribute must be a URI. Value conforms to data.URI.
xlink:show(optional)Defines how a remote resource is rendered. Allowed values are: "new" (Open in a new window.), "replace" (Load the referenced resource in the same window.), "embed" (Embed the referenced resource at the point of the link.), "none" (Do not permit traversal to the referenced resource.), "other" (Behavior other than permitted by the other values of this attribute.)
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.
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 is a valid xml:id.
Member of
model.manifestationLikeCollects FRBR manifestation-like elements.
Contained By
(MEI.frbr) Collects FRBR manifestation-like elements.
componentListContainer for intellectual or physical component parts of a bibliographic entity.
manifestationListA container for the descriptions of physical embodiments of an expression of a work.
FRBR (Functional Requirements for Bibliographic Records) declarations.
manifestationListA container for the descriptions of physical embodiments of an expression of a work.
Metadata header component declarations.
componentListContainer for intellectual or physical component parts of a bibliographic entity.
May Contain
biblListList of bibliographic references.
classificationGroups information which describes the nature or topic of an entity.
componentListContainer for intellectual or physical component parts of a bibliographic entity.
contentsList of the material contained within a resource.
creationNon-bibliographic details of the creation of an intellectual entity, in narrative form, such as the date, place, and circumstances of its composition. More detailed information may be captured within the history element.
extMetaProvides a container element for non-MEI metadata formats.
historyProvides a container for information about the history of a resource other than the circumstances of its creation.
itemListGathers bibliographic item entities.
langUsageGroups elements describing the languages, sub-languages, dialects, etc., represented within the encoded resource.
locusDefines a location within a manuscript or manuscript component, usually as a (possibly discontinuous) sequence of folio references.
locusGrpGroups locations which together form a distinct but discontinuous item within a manuscript or manuscript part, according to a specific foliation.
notesStmtCollects any notes providing information about a text additional to that recorded in other parts of the bibliographic description.
relationListGathers relation elements.
titleStmtContainer for title and responsibility meta-data.
(MEI.shared) Groups elements used to provide a heading at the start of a text division or other markup component.
headContains any heading, for example, the title of a section of text, or the heading of a list.
(MEI.shared) Groups identifier-like elements.
identifierAn alpha-numeric string that establishes the identity of the described material.
(MEI.header) Groups manifestation- and item-specific elements that may appear as part of a bibliographic description.
availabilityGroups elements that describe the availability of and access to a bibliographic item, including an MEI-encoded document.
editionStmtContainer for meta-data pertaining to a particular edition of the material being described.
physDescContainer for information about the appearance, construction, or handling of physical materials, such as their dimension, quantity, color, style, and technique of creation.
physLocGroups information about the current physical location of a bibliographic item, such as the repository in which it is located and its shelf mark(s), and its previous locations.
pubStmtContainer for information regarding the publication or distribution of a bibliographic item, including the publisher’s name and address, the date of publication, and other relevant details.
seriesStmtGroups information about the series, if any, to which a publication belongs.
FRBR (Functional Requirements for Bibliographic Records) declarations.
itemListGathers bibliographic item entities.
Metadata header component declarations.
availabilityGroups elements that describe the availability of and access to a bibliographic item, including an MEI-encoded document.
classificationGroups information which describes the nature or topic of an entity.
componentListContainer for intellectual or physical component parts of a bibliographic entity.
contentsList of the material contained within a resource.
editionStmtContainer for meta-data pertaining to a particular edition of the material being described.
extMetaProvides a container element for non-MEI metadata formats.
historyProvides a container for information about the history of a resource other than the circumstances of its creation.
langUsageGroups elements describing the languages, sub-languages, dialects, etc., represented within the encoded resource.
notesStmtCollects any notes providing information about a text additional to that recorded in other parts of the bibliographic description.
physDescContainer for information about the appearance, construction, or handling of physical materials, such as their dimension, quantity, color, style, and technique of creation.
pubStmtContainer for information regarding the publication or distribution of a bibliographic item, including the publisher’s name and address, the date of publication, and other relevant details.
seriesStmtGroups information about the series, if any, to which a publication belongs.
titleStmtContainer for title and responsibility meta-data.
Manuscript description component declarations.
locusDefines a location within a manuscript or manuscript component, usually as a (possibly discontinuous) sequence of folio references.
locusGrpGroups locations which together form a distinct but discontinuous item within a manuscript or manuscript part, according to a specific foliation.
Component declarations that are shared between two or more modules.
biblListList of bibliographic references.
creationNon-bibliographic details of the creation of an intellectual entity, in narrative form, such as the date, place, and circumstances of its composition. More detailed information may be captured within the history element.
headContains any heading, for example, the title of a section of text, or the heading of a list.
identifierAn alpha-numeric string that establishes the identity of the described material.
physLocGroups information about the current physical location of a bibliographic item, such as the repository in which it is located and its shelf mark(s), and its previous locations.
relationListGathers relation elements.
Constraints

Item children are not permitted when @singleton equals "true".
Availability is only permitted when @singleton equals "true".

Declaration
<elementSpec ident="manifestation" module="MEI.frbr">
<desc xml:lang="en">A bibliographic description of a physical embodiment of an expression of a work.</desc>
<classes>
<memberOf key="att.common"/>
<memberOf key="att.authorized"/>
<memberOf key="att.bibl"/>
<memberOf key="att.componentType"/>
<memberOf key="att.dataPointing"/>
<memberOf key="att.pointing"/>
<memberOf key="att.recordType"/>
<memberOf key="att.targetEval"/>
<memberOf key="model.manifestationLike"/>
</classes>
<content>
<rng:zeroOrMore>
<rng:ref name="model.headLike"/>
</rng:zeroOrMore>
<rng:zeroOrMore>
<rng:choice>
<rng:ref name="locus"/>
<rng:ref name="locusGrp"/>
</rng:choice>
</rng:zeroOrMore>
<rng:zeroOrMore>
<rng:ref name="model.identifierLike"/>
</rng:zeroOrMore>
<rng:optional>
<rng:ref name="titleStmt"/>
</rng:optional>
<rng:ref name="macro.bibldescPart"/>
<rng:optional>
<rng:ref name="creation"/>
</rng:optional>
<rng:optional>
<rng:ref name="history"/>
</rng:optional>
<rng:optional>
<rng:ref name="langUsage"/>
</rng:optional>
<rng:optional>
<rng:ref name="contents"/>
</rng:optional>
<rng:zeroOrMore>
<rng:ref name="biblList"/>
</rng:zeroOrMore>
<rng:optional>
<rng:ref name="notesStmt"/>
</rng:optional>
<rng:optional>
<rng:ref name="classification"/>
</rng:optional>
<rng:optional>
<rng:ref name="itemList"/>
</rng:optional>
<rng:optional>
<rng:ref name="componentList"/>
</rng:optional>
<rng:optional>
<rng:ref name="relationList"/>
</rng:optional>
<rng:zeroOrMore>
<rng:ref name="extMeta"/>
</rng:zeroOrMore>
</content>
<constraintSpec ident="check_singleton" scheme="schematron">
<constraint>
<sch:rule context="mei:manifestation[@singleton eq 'true']">
<sch:assert test="not(mei:itemList)">Item children are not permitted when @singleton equals "true".</sch:assert>
</sch:rule>
</constraint>
</constraintSpec>
<constraintSpec ident="check_singleton_availability" scheme="schematron">
<constraint>
<sch:rule context="mei:manifestation[@singleton eq 'false'] | mei:manifestation[not(@singleton)]">
<sch:assert test="not(mei:availability)">Availability is only permitted when @singleton equals "true".</sch:assert>
</sch:rule>
</constraint>
</constraintSpec>
<attList>
<attDef ident="singleton" usage="opt">
<desc xml:lang="en">Indicates the manifestation is a unique physical object.</desc>
<datatype>
<rng:ref name="data.BOOLEAN"/>
</datatype>
<remarks xml:lang="en">
<p>This attribute is inspired by the <ref target="https://repository.ifla.org/handle/123456789/659">FRBRoo</ref> concept of manifestation singleton.</p>
</remarks>
<remarks xml:lang="en">
<p>Manifestation singleton encompasses: manuscripts, preperatory sketches, and final clean drafts.</p>
</remarks>
</attDef>
</attList>
</elementSpec>
MEI Version: 6.0-dev(#e3f1ca4)