pure virtual, it should be implemented in the derived classes.
\membersection{wxTipProvider::PreprocessTip}\label{wxtipproviderpreprocesstip}
-\funct{virtual wxString}{PreProcessTip}{\param{const wxString\&} {tip}}
+
+\func{virtual wxString}{PreProcessTip}{\param{const wxString\&}{tip}}
Returns a modified tip. This function will be called immediately after read,
and before being check whether it is a comment, an empty string or a string
\helpref{wxShowTip}{wxshowtip}. Note that it is not the same as the value which
was passed to wxShowTip $+ 1$ because the user might have pressed the "Next"
button in the tip dialog.
+