As far as I figured from the source code this function only deals with
authorBruce Momjian <bruce@momjian.us>
Thu, 5 Dec 2002 23:21:07 +0000 (23:21 +0000)
committerBruce Momjian <bruce@momjian.us>
Thu, 5 Dec 2002 23:21:07 +0000 (23:21 +0000)
commitceab6f7283a0053f578c407b13c1166d2586eefb
tree72eeedf64e6d45fbf24dcb30f961bd3a523fb60a
parenta2e8e15dd442e59deff2e96542b5281c14f63786
As far as I figured from the source code this function only deals with
cleaning up locale names and nothing else. Since all the locale names
are in plain  ASCII I think it will be safe to use ASCII-only lower-case
conversion.

Nicolai Tufar
src/backend/utils/mb/encnames.c