The problem seems to be fixed here:
http://anonscm.debian.org/loggerhead/apt/debian-sid/revision/2013/ftparchive/apt-ftparchive.cc
The problem seems to be fixed here:
http:// anonscm. debian. org/loggerhead/ apt/debian- sid/revision/ 2013/ftparchive /apt-ftparchive .cc