[document web]
++[page tab] name='First Tab' selectable selected controller-for=[scroll pane] label-for=[scroll pane]
++[page tab] name='Second Tab' selectable
++[page tab] name='Third Tab' selectable
++[scroll pane] name='First Tab' controlled-by=[page tab] labelled-by=[page tab]
++++[paragraph]
++++++[static] name='Content for the first panel, this should be read.'