To quote the Qt documentation for QFileDialog::setNameFilters:
> Note that the filter *.* is not portable, because the historical
> assumption that the file extension determines the file type is not
> consistent on every operating system. It is possible to have a file
> with no dot in its name (for example, Makefile). In a native Windows
> file dialog, *.* will match such files, while in other types of file
> dialogs it may not. So it is better to use * if you mean to select
> any file.
Admittedly, one of these usages is Windows-only and we are using the
native file dialog there, but we might as well be consistent.
Cory Bloor
2fc8475fdf