\twocolwidtha{6cm}
\begin{twocollist}\itemsep=0pt
\twocolitem{\helpref{wxAuiManager}{wxauimanager}}{The central class for managing the interface}
+\twocolitem{\helpref{wxAuiNotebook}{wxauinotebook}}{A replacement notebook class with extra features}
\twocolitem{\helpref{wxAuiPaneInfo}{wxauipaneinfo}}{Describes a single pane}
-\twocolitem{\helpref{wxAuiDockArt}{wxauidockart}}{Art and metrics provider for customizing the interface}
+\twocolitem{\helpref{wxAuiDockArt}{wxauidockart}}{Art and metrics provider for customizing the docking user interface}
+\twocolitem{\helpref{wxAuiTabArt}{wxauitabart}}{Art and metrics provider for customizing the notebook user interface}
\end{twocollist}