+/* Declare the two functions that we export. Their names aren't
+ * mentioned in gdk-pixbuf-io.h, but they are required by the
+ * implementation, as you can confirm from the API docs or in
+ * gdk-pixbuf-io.c. The G_MODULE_EXPORT macro is defined in
+ * glib's gmodule.h */
+G_MODULE_EXPORT void fill_vtable(GdkPixbufModule* module);
+G_MODULE_EXPORT void fill_info(GdkPixbufFormat *info);
+
+
+/* The width and height of the viewport that we'll render the SVG