TTML Profiles for Internet Media Subtitles and Captions (IMSC)
This repository covers the IMSC family of specifications.
Published IMSC Specifications
See the ttml-imsc cover page.
All issues against IMSC are tracked here. Milestones are used to assign issues to specific versions of IMSC.
The imsc-tests repository contains the tests for IMSC implementations, which are also used for the IMSC implementation reports.