Generic variant subtags in RFC 3066bis

[Marion Gunn]

Scríobh Peter Constable :
> ...
> 
> Note that ISO 639 does distinguish historic varieties at a low level of
> granularity. E.g.,
> 
> ang = Old English (ca. 450 - 1100)
> enm = Middle English (1100 - 1500)
> eng = (Modern) English (1500 - present)

Fine. (Useful.)

> ...
> 
> > -highreg, -midreg, and -lowreg
> > for sociolinguistic registers.
> 
> Is this really a commonly-used basis for distinction between
> sociolinguistic registers?

No.
mg

-- 

Marion Gunn * EGTeo (Estab.1991)
27 Páirc an Fhéithlinn, Baile an 
Bhóthair, Co. Átha Cliath, Éire.
* mgunn at egt.ie * eamonn at egt.ie *