Bug#177688: apt 'W: Did not understand pin type version'

[Andy Tönz <andy.toenz@fh-htwchur.ch>]

Package: apt
Version: 0.5.4
Severity: minor

I've an entry for the latest wine-debs in my sources list. Those packages all 
have an version like this: Version: 1:0.20030121.034247

Now I've set my preferences file to
Package: *
Pin: version 0.2003*
Pin-Priority: 999

And: It works ! Apt updates my wine-environment daily. Now the "minor" bug 
(?).

apt shows me this warning :/
W: Did not understand pin type version

But it should (and it does !) understand the pin type 'version'.
Should, because it's in the apt-howto.

http://www.debian.org/doc/manuals/apt-howto/ch-apt-get.en.html#s-apt-show-versions
<snip>
For example, to keep package sylpheed that I have modified to use 
"reply-to-list" at version 0.4.99, I add:

     Package: sylpheed
     Pin: version 0.4.99*
</snip>

-- System Information
Debian Release: testing/unstable
Architecture: i386
Kernel: Linux workstation 2.4.19-preempt-latency-int #1 Fri Nov 22 13:56:24 
CET 2002 i686
Locale: LANG=C, LC_CTYPE=C

Versions of packages apt depends on:
ii  libc6                        2.3.1-9     GNU C Library: Shared libraries 
an
ii  libstdc++2.10-glibc2.2       1:2.95.4-15 The GNU stdc++ library