Hi Adeodato,
I am such a stupid idiot. I don't use DB4 support because I hate DB4 and
gdbm is much more reliable in my case. However I now see why I didn't
caught the problem. Now the problems are really fixed and
http://wwwcip.informatik.uni-erlangen.de/~sithglan/mutt/mutt-cvs-header-cache.3
is available. Thanks for guiding me through this. :-)
Thomas