As SMPTE ST 2067-20 is considered for suppression, remove all references to this specification in document.
For example :
Section 4.3 XML Schema and Namespace
XML elements defined by this specification shall conform to the XML schema definitions (see W3C XML Schema Part 1: Structures as referenced in SMPTE ST 2067-20) found in this specification. In the event of a conflict between schema definitions and the prose, the prose shall take precedence.
As SMPTE ST 2067-20 is considered for suppression, remove all references to this specification in document.
For example :