Session Date/Time: 27 May 2025 19:00

CELLAR

Summary

The CELLAR Working Group met to discuss the status of its active drafts. The primary focus was on the draft-ietf-cellar-tags document, covering the conclusion of its Working Group Last Call, required IPR disclosures, and several technical editorial issues in the shepherd write-up concerning references and formatting. Updates on draft-ietf-cellar-codec, draft-ietf-cellar-fmv1, and the deprecated Fontoo registration were also briefly discussed.

Key Discussion Points

Previous Meeting Minutes:
- The minutes from the previous meeting were reviewed and accepted by Steve.
- It was noted that the link to the previous minutes on the WG page was initially incorrect but was being fixed.
draft-ietf-cellar-tags (CELLAR Tags):
- Working Group Last Call (WGLC): The WGLC for this draft has concluded.
- IPR Disclosures: Confirmation of no undisclosed IPR disclosures is still pending from Moritz and Dave. Steve confirmed his.
- Shepherd Write-up and References:
  - RFC 3339 and ISO 8601: A discussion arose regarding the reference to RFC 3339 in the references section, which was not explicitly used in the document text. The draft defines a date/time format similar to ISO 8601 (which RFC 3339 profiles) but with a specific addition (milliseconds). It was noted that the references serve to alert implementers to the similarities and subtle differences. A bug in the document generation tool was identified where the intended link to "Appendix A" within RFC 3339 was not correctly rendered, and the RFC itself wasn't explicitly mentioned in the text alongside the explanation.
  - ISBN User Manual Reference: The current URL for the "ISBN User Manual" was found to be problematic, potentially requiring a login or leading to a non-direct, unhelpful page (a Microsoft Word file). As this is a normative reference, implementers need accessible technical documentation. A more direct and accessible URL to the ISBN specification was identified and accepted as a replacement.
  - Formatting Nits: Minor nits were raised regarding excessively long lines and the presence of non-ASCII characters (e.g., smart quotes, long dashes) in some reference titles, which are typically cleaned up by RFC editors. The group decided these were not critical blockers and would likely be addressed by the RFC editor if not fixed prior.
draft-ietf-cellar-codec (CELLAR Codec):
- The draft is still awaiting approval for one Pull Request (PR) from Jerome.
draft-ietf-cellar-fmv1 (FMV1):
- No updates were provided for this draft.
Fontoo Registration:
- The registration of a deprecated version of Fontoo requires action through MPEG, as the change control was handed to MPEG, not the IETF.
- The chairs will inquire with Stefan about potential contacts or assistance within MPEG to facilitate this.

Decisions and Action Items

Decision: The previous meeting minutes were approved.
Action Item: Steve to fix the reference issues in draft-ietf-cellar-tags related to RFC 3339 (correct link generation, ensure text mention) and replace the ISBN user manual URL with the newly identified accessible link.
Decision: After the fixes are implemented for draft-ietf-cellar-tags, a new version (tags-17) will be published, but a new Working Group Last Call will not be required as the changes are editorial and non-substantive. The document will then be ready for publication request.
Action Item: Chairs to follow up with Moritz and Dave for their IPR disclosures for draft-ietf-cellar-tags.
Action Item: Chairs to follow up with Jerome regarding the pending PR for draft-ietf-cellar-codec.
Action Item: Chairs to contact Stefan to explore how to proceed with the Fontoo registration through MPEG.
Action Item: Steve offered to investigate the mmark tool's behavior regarding reference generation and potential bugs if he finds time.

Next Steps

Complete the editorial fixes and IPR disclosures for draft-ietf-cellar-tags to prepare it for submission to the IESG.
Resolve the outstanding PR for draft-ietf-cellar-codec.
Establish a contact or path forward for the Fontoo registration within MPEG.