Adds some file filters to @chooser.
Always add a "All documents" format.
If @document is not %NULL, adds a #GtkFileFilter for @document's MIME type.
If @document is %NULL, adds a #GtkFileFilter for each document type that evince can handle.
a #GtkFileChooser
a #EvDocument, or %NULL
See Implementation
Adds some file filters to @chooser.
Always add a "All documents" format.
If @document is not %NULL, adds a #GtkFileFilter for @document's MIME type.
If @document is %NULL, adds a #GtkFileFilter for each document type that evince can handle.