1.2.1 Normative References

  • Article

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[RFC2119] Bradner, S., "Key words for use in RFCs to Indicate Requirement Levels", BCP 14, RFC 2119, March 1997, https://www.rfc-editor.org/rfc/rfc2119.html

[W3C-TTML-1.0] World Wide Web Consortium, "Timed Text Markup Language (TTML) 1.0", W3C Recommendation 18 November 2010, http://www.w3.org/TR/2010/REC-ttaf1-dfxp-20101118/