How to "copy" with overrides in a locale file?

[Petter Reinholdtsen]

[Ulrich Drepper]
> Petter Reinholdtsen wrote:
> > But this do not seem to be possible.  Why?
> 
> The locale definitions as they exist today have a chance of being
> portable.  With non-standard copy usage this isn't the case anymore.

OK, so this is a limitation of the standard.  The question remains why
this limitation is in the standard.  I guess Keld is the man for such
considerations. :)