> From: ISO 639 Joint Advisory Committee [mailto:[log in to unmask]] On
> Michael Everson
> >Perhaps "zzz" for this special-purpose code?
> Well, in ISO 15924 Zzzz is "Code for uncoded script" which still
> implies "script"
If 15924 is used as an example, then perhaps "zxx" for non-linguistic
content (analogous to "zxxx" for unwritten languages).