Re: [HACKERS] Patch to address concerns about ICU collcollatestability in v10 (Was: CREATE COLLATION does not sanitize ICU's BCP 47language tags. Should it?)

On 9/25/17 00:24, Peter Geoghegan wrote:
> * Creates root collation as root-x-icu (collcollate "root"), not
> und-x-icu. "und" means undefined language.

I'm curious about this point.  "und" is defined in BCP 47.  I don't see
"root" defined anywhere.  ICU converts the root collation to "und",
AFAIK, so it seems to agree with the current naming.

-- 
Peter Eisentraut              http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services


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