TTML/RoleRegistry

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Overview

The role attribute supplies metadata about the intended semantic meaning of an element.

This page provides a registry for roles in order to promote interoperability.

Standard TTML Roles

The above roles are standard values, defined by the TTML Recommendation. Note that all roles that do not start with x- are reserved for standardization.

Custom TTML Roles

At this time, no custom TTML roles have been registered.