%\twocolitem{\helpref{wxExpr}{wxexpr}}{A class for flexible I/O}
%\twocolitem{\helpref{wxExprDatabase}{wxexprdatabase}}{A class for flexible I/O}
\twocolitem{\helpref{wxHashMap}{wxhashmap}}{A simple hash map implementation}
+\twocolitem{\helpref{wxHashSet}{wxhashset}}{A simple hash set implementation}
\twocolitem{\helpref{wxHashTable}{wxhashtable}}{A simple hash table implementation (deprecated, use wxHashMap)}
% \twocolitem{\helpref{wxHashTableLong}{wxhashtablelong}}{A wxHashTable version for storing long data}
\twocolitem{\helpref{wxList}{wxlist}}{A simple linked list implementation}
\twocolitem{\helpref{wxDataObject}{wxdataobject}}{Data object class}
\twocolitem{\helpref{wxDataFormat}{wxdataformat}}{Represents a data format}
\twocolitem{\helpref{wxTextDataObject}{wxtextdataobject}}{Text data object class}
-\twocolitem{\helpref{wxFileDataObject}{wxtextdataobject}}{File data object class}
+\twocolitem{\helpref{wxFileDataObject}{wxfiledataobject}}{File data object class}
\twocolitem{\helpref{wxBitmapDataObject}{wxbitmapdataobject}}{Bitmap data object class}
\twocolitem{\helpref{wxCustomDataObject}{wxcustomdataobject}}{Custom data object class}
\twocolitem{\helpref{wxClipboard}{wxclipboard}}{Clipboard class}
{\large {\bf XML-based resource system classes}}
-\overview{XML-based resource system overview}{xrcoverview}
+\overview{XML-based resource system (XRC) overview}{xrcoverview}
Resources allow your application to create controls and other user interface elements
from specifications stored in an XML format.