Quick follow-on to show what this looks like on stretch:
$ apt-cache policy vim-dbgsym barcode-dbg
vim-dbgsym:
Installed: (none)
Candidate: 2:8.0.0197-4+deb9u1
Version table:
2:8.0.0197-4+deb9u1 500
500 http://debug.mirrors.debian.org/debian-debug
stretch-debug/main amd64 Packages
barcode-dbg:
Installed: (none)
Candidate: 0.98+debian-9.1+b2
Version table:
0.98+debian-9.1+b2 500
500 http://deb.debian.org/debian stretch/main amd64 Packages
$ apt-cache policy recoll-dbg recoll-dbgsym
N: Unable to locate package recoll-dbg
N: Unable to locate package recoll-dbgsym
$ apt-cache policy recoll
recoll:
Installed: 1.22.4-1
Candidate: 1.22.4-1
Version table:
*** 1.22.4-1 500
500 http://deb.debian.org/debian stretch/main amd64 Packages
100 /var/lib/dpkg/status
