update excuses.. how to read them

[Bernd Eckenfels <ecki@lina.inka.de>]

Hello,

if i take for example:

http://ftp-master.debian.org/~ajt/update_excuses.html

adns 1.0-3 (low) 
         Maintainer: Bernd Eckenfels <ecki@debian.org> 
         adns is 27 days out of date! 
         out of date on alpha: libadns0, libadns0-dev (from 0.8-2) 
         out of date on i386: libadns0, libadns0-dev (from 0.8-2) 
         there are up to date bins in i386 also 
         out of date on m68k: libadns0, libadns0-dev (from 0.8-2) 
         there are up to date bins in m68k also 
         out of date on powerpc: libadns0, libadns0-dev (from 0.8-2) 
         there are up to date bins in powerpc also 
         out of date on sparc: libadns0, libadns0-dev (from 0.8-2) 
         there are up to date bins in sparc also 
         not considered 

Does that mean that it is not considered because on alpha there are no
up-to-date bins?

The line "out of date" can be ignored as long as there is also a line "there
are up to date bins in * also"?

Is there a build-info for all the other platforms, too? How can I see why
the alpha failed to build my package?

The 
         "valid candidate (will be installed unless it's dependent upon other
         buggy pkgs)"

is printed, even if the package is already installed in woody?

Greetings
Bernd
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