>      ...
>      Is confused by any output generated by commands in a .login, .profile, or
>      .cshrc file on the remote host.
> 
> It is not exactly true, but that is the issue.

well, it was caused by stty erase ^? in my .kshrc, because as i removed 
it, the error disappeared.
it was caused by moving this command from .profile to .kshrc (i tested 
it now) - why does it behave this way?

thanks for your help

-- 
Lubos
_@_"