https://github.com/w3c/i18n-activity/issues/2033
Language tag for non-linguistic content · Issue #2033 · w3c/i18n-activity
github.com
WG issue closed. The default value of daptm:langSrc is now `und`. And they quotes and references BCP 47 for the meaning of the zxx tag, and explains how it could be used for non-textual visual image transcripts.
Current text: https://w3c.github.io/dapt/#text-language-source
Are we satisfied?
~xfq
