pagesetupdialog: Add an example image

diff --git a/gtk/gtkpagesetupunixdialog.c b/gtk/gtkpagesetupunixdialog.c
index 2064b65acc3c748d3c576294890921bc6548d2cc..be4149988682ad05f689a0fc30b0076c3e54c7cc 100644 (file)
--- a/gtk/gtkpagesetupunixdialog.c
+++ b/gtk/gtkpagesetupunixdialog.c
@@ -45,6 +45,8 @@
  * `GtkPageSetupUnixDialog` implements a page setup dialog for platforms
  * which don’t provide a native page setup dialog, like Unix.
  *
+ * ![An example GtkPageSetupUnixDialog](pagesetupdialog.png)
+ *
  * It can be used very much like any other GTK dialog, at the
  * cost of the portability offered by the high-level printing
  * API in [class@Gtk.PrintOperation].