$ sudo dpkg -i libsane1_1.0.27-1~experimental3ubuntu2_amd64.deb
Selecting previously unselected package libsane1:amd64.
(Reading database ... 563959 files and directories currently installed.)
Preparing to unpack libsane1_1.0.27-1~experimental3ubuntu2_amd64.deb ...
Unpacking libsane1:amd64 (1.0.27-1~experimental3ubuntu2) over (1.0.27-1~experimental3ubuntu2) ...
dpkg: error processing archive libsane1_1.0.27-1~experimental3ubuntu2_amd64.deb (--install):
trying to overwrite shared '/usr/share/doc/libsane1/changelog.Debian.gz', which is different from other instances of package libsane1:amd64
Processing triggers for libc-bin (2.27-3ubuntu1) ...
Processing triggers for udev (237-3ubuntu10.3) ...
Errors were encountered while processing:
libsane1_1.0.27-1~experimental3ubuntu2_amd64.deb
couldn't overwrite the existing
$ sudo dpkg -i libsane1_ 1.0.27- 1~experimental3 ubuntu2_ amd64.deb 1.0.27- 1~experimental3 ubuntu2_ amd64.deb ... 1~experimental3 ubuntu2) over (1.0.27- 1~experimental3 ubuntu2) ... 1.0.27- 1~experimental3 ubuntu2_ amd64.deb (--install): doc/libsane1/ changelog. Debian. gz', which is different from other instances of package libsane1:amd64 1.0.27- 1~experimental3 ubuntu2_ amd64.deb
Selecting previously unselected package libsane1:amd64.
(Reading database ... 563959 files and directories currently installed.)
Preparing to unpack libsane1_
Unpacking libsane1:amd64 (1.0.27-
dpkg: error processing archive libsane1_
trying to overwrite shared '/usr/share/
Processing triggers for libc-bin (2.27-3ubuntu1) ...
Processing triggers for udev (237-3ubuntu10.3) ...
Errors were encountered while processing:
libsane1_