Proposal to remove Preferred-Value field for region YU in LTRU

CE Whitehead cewcathar at
Fri Feb 27 17:44:50 CET 2009

Debbie, Tex, thanks for catching this; in the interest of maintaining compatibility between newer and older tags, don't we need to keep the chain of preferred values 


Although I can quite see Doug's point that it's now impossible to determine what modern subtags are equivalent to the past use of 'YU,'  but I still feel we need to do something to preserve compatibility . . . 


Since the comments are pretty much ignored by non-human applications, these are not the solution . . . 


(maybe the solution is in forcing the applications comments, something I suppose these applications would be loathe to do . . . ??  otherwise I have not got one; the chain preserves a partial relationship . . . )






C. E. Whitehead

cewcathar at 

Doug Ewell doug at 
Fri Feb 27 14:20:49 CET 2009 

> Speaking to this particular case and not to the 

> general principle of 
> allowing P-V to change...

> It has been argued frequently on LTRU that the 

> relationship between CS 
> and YU is not what it appears, because the country 

> identified as YU 
> changed its nature dramatically between 1991 and 

> 2003, in a way that was 
> pertinent to language identification, by shrinking from 

> the original 
> "Yugoslavia" to just Serbia and Montenegro.  This 

> viewpoint holds that 
> data tagged as "something-YU" is already ambiguous as > to "which YU" is 
> intended.  This is really just a special case of the 

> problem that 
> country codes as language modifiers are less than 

> perfectly precise.

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