<ptr>

(pointer) – Defines a pointer to another location, using only attributes to describe the destination.
Module MEI.ptrref
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.)att.targeteval
@label(optional)Provides a name or label for an element. The value may be any string. Value of datatype string. att.commonPart
@mimetype(optional)Specifies the applicable MIME (multimedia internet mail extension) type. The value should be a valid MIME media type defined by the Internet Engineering Task Force in RFC 2046. Value of datatype string. att.internetmedia
@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
@target(optional)Allows the use of one or more previously-undeclared URIs to identify passive participants in a relationship; that is, the entities pointed "to". One or more values from data.URI, separated by spaces. att.pointing
@targettype(optional)Characterization of target resource(s) using any convenient classification scheme or typology. Value of datatype NMTOKEN. att.pointing
@type(optional)Characterizes the element in some sense, using any convenient classification scheme or typology. Value of datatype NMTOKEN. att.typed
@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.)att.pointing
@xlink:role(optional)Characterization of the relationship between resources. The value of the role attribute must be a URI. Value conforms to data.URI. att.pointing
@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.)att.pointing
@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
Empty
Declaration
<classes>
<memberOf key="att.common"/>
<memberOf key="att.internetmedia"/>
<memberOf key="att.pointing"/>
<memberOf key="att.targeteval"/>
<memberOf key="att.typed"/>
<memberOf key="model.locrefLike"/>
</classes>
<content>
<rng:empty/>
</content>
Remarks

Unlike the ref element, ptr cannot contain text or sub-elements to describe the referenced object.This element is modelled on elements in the Encoded Archival Description (EAD) and Text Encoding Initiative (TEI) standards.