[PATCH] improve checks on usernames V3.

[Rich Felker]

On Wed, Aug 03, 2011 at 10:19:55AM +0200, Ralf Friedl wrote:
> >... just to throw that in. Beside this I like to use User Names with
> >German Umlauts (ÄÖÜäöü) as regular German names may contain those. And I
> >did this successfully on Linux/GNU systems for years ... but know about
> >incompatibility and try to handle properly.
> I wouldn't want busybox to to tell me what names I can use just to
> avoid potential problems with some obscure system that I don't
> connect to anyway.

I fully agree.

Rich