There is no Focus Border on the Tabbed Pane in SwingSet2 unlike the native TabbedPane on Mercury.
Steps to Reproduce:
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1) Run SwingSet2 with the Swing PIT of 25th July with -Dswing.gtkthemefile=<Your gtkrc file >. Change the laf to GTK.
2) Go to the Tabbed Pane demo
3) Click on the First tab.
4) Notice that there is no focus border.
5) Now open any Native application with the tabbed Pane.
6) Click on the tab.
7) Notice that there is a dotted focus border on the Tab.
Note: The Linux flavour is SUSE 8 and Mercury build is 03