(In reply to fritz.paul from comment #7)
> The problem still persists in version 3.6.4.3 (Win7, 64). I also find it in
> Linux, version 3.5.4.2.
>
> Just open the attached odp file, save it as fodt and do a reload ...
CONFIRMED with LO 3.0.0 (OOO330m19 (Build:6) tag libreoffice-3.3.0.4) + Ubuntu 14.04
Saving the example odp file as FODP, reopening it, and then examining the master slide shows the duplication.
(In reply to fritz.paul from comment #7)
> The problem still persists in version 3.6.4.3 (Win7, 64). I also find it in
> Linux, version 3.5.4.2.
>
> Just open the attached odp file, save it as fodt and do a reload ...
CONFIRMED with LO 3.0.0 (OOO330m19 (Build:6) tag libreoffice- 3.3.0.4) + Ubuntu 14.04
Saving the example odp file as FODP, reopening it, and then examining the master slide shows the duplication.