I answered a couple of questions from Catherine and MarieClaude (who were in for usual Thursday morning session) on how to encode attributes and timestamps for when and utterance elements.
They wanted to identify regions of a country in the language tag (e.g. New Brunswick rather than Quebec), so I checked into details of legal formats for the ident attribute of the language element, reported that information back to Catherine and MarieClaude and gave them a solution that meets their needs.
Catherine generously offered to include my name in a presentation she is considering proposing to the edmedia conference in Vancouver next June.