On Wed, Aug 05, 2026 at 08:45:11PM +0100, Gavin Smith wrote: > I expect it should be possible as Patrice already did the work to get > the language in this format for the HTML output.
For the LaTeX output, BCP 47 language tags are already output by texi2any for babel. BCP 47 language tags are also output for HTML, DocBook and epub. As far as I can tell, BCP 47 language tags are more or less used everywhere except in locales used in gettext/glibc (and probably other libc). -- Pat
