You can use Manage Markups to define the types of markup languages to be supported by the
portal.
About this task
Creating a new markup entry means that the portal gets informed about
the capability to support a certain markup. It does not establish the new
markup support itself. Before a new markup entry is created, the portal, as
well as all portlets that are planned to be accessible with this markup, must
provide for the appropriate aggregation resources. See Designing your portal
in the Information Center for more information.