You need to get rid of "preseed-X" part of en/appendix/preseed.xml, it got removed from Debian already
http://anonscm.debian.org/viewvc/d-i/trunk/manual/en/appendix/preseed.xml?r1=56148&r2=56249
though they still have it in the translated versions, you could remove those as well (filed bug 655210 to Debian about it).
You need to get rid of "preseed-X" part of en/appendix/ preseed. xml, it got removed from Debian already
http:// anonscm. debian. org/viewvc/ d-i/trunk/ manual/ en/appendix/ preseed. xml?r1= 56148&r2= 56249
though they still have it in the translated versions, you could remove those as well (filed bug 655210 to Debian about it).