> From: ISO 639 Joint Advisory Committee [mailto:[log in to unmask]] On
Behalf Of
> Michael Everson

> >I'm not sure this is the best solution for them, but I wondered
> >about a special ID (like und or mul) meaning "this content is
> >non-linguistic in nature" Thoughts?
> Both und and mul imply language. 

Yes; I meant that these are both special-purpose IDs.

> SIL could be silent.
> *giggle*


Actually, "sil" is in the draft table for 639-3 for Tumulung Sisaala.

> A language tag for "no language content" is weird, but I can see a
case for it.

Perhaps "zzz" for this special-purpose code?

Peter Constable