Type of XLink Link
The kind of XLink link used with an element. For all elements in this Tag Set that can take links (except the <mml:math> element), this attribute may be either omitted; or it must be set to the word “simple”, which means that the link is a simple, one-ended link.
MathML XLinks: For the <mml:math> element (which is not controlled by the NISO STS Tag Set), this attribute may take any value that the XLink specification describes for the XLink link type, for example, a “simple” (one-ended) link, a “locator” link, a “title” link, an “extended” (multi-way) link, etc.
Used on these Elements:
<abbrev>, <app>, <bio>, <chem-struct>, <collab>, <contrib>, <custom-meta>, <element-citation>, <email>, <ext-link>, <funding-source>, <graphic>, <inline-graphic>, <inline-supplementary-material>, <institution>, <issue-id>, <license>, <long-desc>, <media>, <mixed-citation>, <named-content>, <nlm-citation>, <pronunciation>, <pub-id>, <related-article>, <self-uri>, <supplementary-material>, <uri>, <volume-id>
|simple||The link is an XML simple (one-ended) link.|
|Restriction||This attribute has a fixed value which may not be changed in the XML document.|