Bug#76010: apt: line containing only white-space in sources.list causes apt-get update to fail

[Sven Hartge <oweh@ds9.argh.org>]

Package: apt
Version: 0.3.19
Severity: normal

Consider the following simple sources.list:

I'll mark the start and end of a line:

^deb ftp://security.debian.org/debian-security potato/updates contrib main non-free$
^ $
^deb ftp://ftp.de.debian.org/debian potato main contrib non-free$
^deb ftp://ftp.de.debian.org/debian woody main contrib non-free$
^deb ftp://ftp.de.debian.org/debian-non-US potato/non-US main contrib non-free$
^deb ftp://ftp.de.debian.org/debian-non-US woody/non-US main contrib non-free$

The whitespace in line 2 causes apt-get to fail. It does not matter if
this is a tab or multiple spaces, apt-get just fails with:

E: Malformed line 2 in source list /etc/apt/sources.list (type)

-- System Information
Debian Release: woody
Kernel Version: Linux ds9 2.2.18pre18 #1 Tue Oct 31 16:59:48 CET 2000 i586 unknown

Versions of the packages apt depends on:
ii  libc6          2.1.96-1       GNU C Library: Shared libraries and Timezone
ii  libstdc++2.10  2.95.2-14      The GNU stdc++ library