Status and history for [btb]

See the Github repository for issues and changes in 2023 and after.

June 27, 2015		ISO 639-3 btb has been retired, as it was a generic name. Switching to the most spoken language in the group, bum, “Bulu”.
September 4, 2006		stage 4: OHCHR identified as the source, complete XML contributed by Adobe Systems.