> Example: Loading the site 
> <http://www.www-seite.de/BahnhofGliesmarode> 
> ends up immediately in an empty copy and the warning
> that the site has moved to 
> <http://www.www-seite.de/bahnhofgliesmarode>

Seem to work perfectly using WinHTTrack 3.16-2 with 
default options.

Did you try <http://www.www>-
seite.de/BahnhofGliesmarode/ instead? 
In this case, you may have to use filters, such as:
+www.www-seite.de/*