On 28 февраля 2009 23:31:05 Wolfgang Hukriede wrote:

>
> True, but setting LANG to "is_IS.ISO8859-1" once and then setting it
>
> to anything else seems to do the trick as well:
>   > export LANG=is_IS.ISO8859-1
>   > date
>
>   lau 28 feb 2009 21:17:50 CET
>
>   > export LANG=nada
>   > date
>
>   Sat Feb 28 21:24:36 CET 2009
>
> Eight-bit-chars still work.
>

setlocale() failed so old value (is_IS.ISO8859-1) remains in effect.

>   > unset LANG
>
> Again, eight-bit-chars still work.
>

Zsh does not do anything special when *unsetting* locale variable; there 
is no unsetlocale() function. So old value remains in effect.