Another note is that when the panel is shown without the launcher (select vertical tabs -> hide tabs and sidebar) we probably want the left-most corner of the panel to be rounded; currently its not. This will also become apparent with Kelly's patch to add a switcher (hide sidebar for horizontal tabs) as the launcher won't be present at all.
Bug 2048293 Comment 3 Edit History
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Another note is that when the panel is shown without the launcher (select vertical tabs -> hide tabs and sidebar) we probably want the left-most corner of the panel to be rounded; currently its not. This will also become apparent with Kelly's patch to add a switcher (hide sidebar for horizontal tabs in bug 2047653) as the launcher won't be present at all.