+variables will be expanded in it.
+
+\docparam{flags}{The kind of normalization to do with the file name. It can be
+any or-combination of the following constants:
+\begin{twocollist}
+\twocolitem{{\bf wxPATH\_NORM\_ENV\_VARS}}{replace env vars with their values}
+\twocolitem{{\bf wxPATH\_NORM\_DOTS}}{squeeze all .. and . and prepend cwd}
+\twocolitem{{\bf wxPATH\_NORM\_TILDE}}{Unix only: replace ~ and ~user}
+\twocolitem{{\bf wxPATH\_NORM\_CASE}}{if filesystem is case insensitive, transform to tolower case}
+\twocolitem{{\bf wxPATH\_NORM\_ABSOLUTE}}{make the path absolute}
+\twocolitem{{\bf wxPATH\_NORM\_LONG}}{make the path the long form}
+\twocolitem{{\bf wxPATH\_NORM\_SHORTCUT}}{resolve if it is a shortcut (Windows only)}
+\twocolitem{{\bf wxPATH\_NORM\_ALL}}{all of previous flags except \texttt{wxPATH\_NORM\_CASE}}
+\end{twocollist}
+}
+
+\docparam{cwd}{If not empty, this directory will be used instead of current
+working directory in normalization.}
+
+\docparam{format}{The file name format, native by default.}
+