I have the same problem.
I use Ubuntu 11.10 32 bit with Unity, and when I open a pdf in another tab, the file opens in external application istance.
When I open a pdf in the same tab, it opens but there isn't document toolbar.
I suppose it is caused by Unity that have integrated toolbars.
I have the same problem.
I use Ubuntu 11.10 32 bit with Unity, and when I open a pdf in another tab, the file opens in external application istance.
When I open a pdf in the same tab, it opens but there isn't document toolbar.
I suppose it is caused by Unity that have integrated toolbars.