Inline links, such as the familiar
from HTML, are themselves part of the source or target of the
link. The source of the link, that is the blue underlined text, is
included inside the
A element that defines the link.
Most simple links are inline.
An out-of-line link does not contain any part of any of the resources it connects. Instead, the links are stored in a separate document called the linkbase.
Out of line links allow you to add links to and from documents that can't be modified such as a page on someone else's web site.
Out of line links allow you to add links to different parts of non-XML content.
Out of line links are not yet supported by software.