`sudo apt-get install kde-l10n-si` fails with

    Reading package lists... Done
    Building dependency tree
    Reading state information... Done
    The following package was automatically installed and is no longer required:
      libreoffice-l10n-de
    Use 'apt-get autoremove' to remove it.
    The following NEW packages will be installed:
      kde-l10n-si
    0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded.
    Need to get 0 B/545 kB of archives.
    After this operation, 2,899 kB of additional disk space will be used.
    (Reading database ... 1092001 files and directories currently installed.)
    Preparing to unpack .../kde-l10n-si_4%3a4.10.97-0ubuntu1_all.deb ...
    Unpacking kde-l10n-si (4:4.10.97-0ubuntu1) ...
    dpkg: error processing archive /var/cache/apt/archives/kde-l10n-si_4%3a4.10.97-0ubuntu1_all.deb (--unpack):
     trying to overwrite '/usr/share/locale/si/LC_MESSAGES/kcmhtmlsearch.mo', which is also in package khelpcenter 4:5.2.2a-0ubuntu1
    dpkg-deb: error: subprocess paste was killed by signal (Broken pipe)
    Errors were encountered while processing:
     /var/cache/apt/archives/kde-l10n-si_4%3a4.10.97-0ubuntu1_all.deb
    E: Sub-process /usr/bin/dpkg returned an error code (1)

Reproducible: Always

Steps to Reproduce:
1. install conflicting packages
2.
3.

Actual Results:  
`dpkg` fails because it can't handle file in two packages

Expected Results:  
dependencies between conflicting packages need to be readjusted

reported in Ubuntu as https://bugs.launchpad.net/ubuntu/+source/kde-l10n-si/+bug/1460444