xlink:title Title of the Link

Describes the function of a link’s remote resource in human-readable fashion.


This attribute’s value, i.e., “the link title”, may be displayed at the point in an online document where the link occurs. A user could read the title and determine whether to follow the link.
OPTIONAL on many elements; click for list and usage
Value Meaning
Text, numbers, or special characters A descriptive, human-readable title that acts as a brief description of the link.
Restriction @xlink:title is an optional attribute; there is no default.
Tagged Sample

<supplementary-material> is a local file

<supplementary-material id="S1" xmlns:xlink="http://www.w3.org/1999/xlink"
  xlink:title="local_file" xlink:href="pbio-0020328-t002.xls"