index

      INDEX
         The INDEX relationship identifies an index.

         When REL=INDEX, the target document is an index for the
         current document, or for the collection of documents of which
         the current document is a member.

         When REV=INDEX, the current document is an index. Additional
         REL/REV values may be used to further specify the relationship
         between the two ends of the link.

         If the hypertext link is specified with REL in a LINK element,
         an HTML user agent may present an icon in a tool bar.  An index
         may be presented as an HTML document which is organized and
         presented in a style reminiscent of a paper-based index.  An
         index may also be presented as a form-based query into a full-
         text search database.

REL=Index

The link references a document providing an index for the current document.

rel=index

The link references a document providing an index for the current document.

Index

Refers to a document providing an index for the current document.

Index

Refers to a document providing an index for the current document.

Index

Refers to a document providing an index for the current document.

Index

Refers to a document providing an index for the current document.