trunk: changeset 716
trunk: changeset 716

Workspace swithing while dragging tabs had been broken by the mplex
change.

darcs-hash:20030608124448-e481e-dbaa9f2aa2c1dff1134d673359c9c67964b94cf7.gz

anoduck/notion,p5n/notion,dkogan/notion.xfttest,knixeur/notion,dkogan/notion.xfttest,dkogan/notion,neg-serg/notion,p5n/notion,neg-serg/notion,anoduck/notion,anoduck/notion,p5n/notion,anoduck/notion,raboof/notion,dkogan/notion.xfttest,dkogan/notion,knixeur/notion,neg-serg/notion,dkogan/notion,p5n/notion,dkogan/notion,neg-serg/notion,knixeur/notion,raboof/notion,raboof/notion,dkogan/notion,knixeur/notion,p5n/notion,anoduck/notion,raboof/notion,dkogan/notion.xfttest,knixeur/notion