(the latter stands for "HTML book"). In other words, {\tt AddBook("help.zip")} is possible and, in fact,
recommended way.
-If {\it show\_wait\_msg} is TRUE then a decorationless window with progress message is displayed.
+If {\it show\_wait\_msg} is TRUE then a decoration-less window with progress message is displayed.
+
+\wxheading{Note}
+
+Don't forget to install wxFileSystem ZIP handler with
+{\tt wxFileSystem::AddHandler(new wxZipFSHandler);} before calling this method
+on a .zip or .htb file!
\membersection{wxHtmlHelpController::CreateHelpFrame}\label{wxhtmlhelpcontrollercreatehelpframe}