* open a new tab using the '+' button: ''Add tab button is hard to trigger in touch on XO-4''[http://bugs.sugarlabs.org/ticket/4184 #4184] ''Number of tabs'' [http://bugs.sugarlabs.org/ticket/4185 #4185]
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* close the new tab: Focus of url entry stays when closing a tab [http://bugs.sugarlabs.org/ticket/4187 #4187]