no default filename will be supplied. The wildcard determines what files
are displayed in the file selector, and file extension supplies a type
extension for the required filename. Flags may be a combination of wxOPEN,
-wxSAVE, wxOVERWRITE\_PROMPT, wxHIDE\_READONLY, or 0. They are only significant
-at present in Windows.
+wxSAVE, wxOVERWRITE\_PROMPT, wxHIDE\_READONLY, wxFILE\_MUST\_EXIST or 0.
Both the X and Windows versions implement a wildcard filter. Typing a
filename containing wildcards (*, ?) in the filename text item, and
wildcard filter being inserted in the filename text item; the filter is
ignored if a default name is supplied.
-Under Windows (only), the wildcard may be a specification for multiple
+The wildcard may be a specification for multiple
types of file with a description for each, such as:
\begin{verbatim}