Bug#907403: opam-installer: missing Replaces: opam-doc (<< 2.0.0-1)

[Adrian Bunk]

Package: opam-installer
Version: 2.0.0-1
Severity: serious

Unpacking opam-installer (2.0.0-1) ...
dpkg: error processing archive 
/tmp/apt-dpkg-install-KfKgI6/4-opam-installer_2.0.0-1_amd64.deb (--unpack):
 trying to overwrite '/usr/share/man/man1/opam-installer.1.gz', which is also 
in package opam-docs 1.2.2-7