page(double _w=0, double _h=0) : width(_w), height(_h) { }
};
+struct empty_page : public page {
+ void render(page_out *out UNUSED, pdf_matrix xform UNUSED) { }
+ empty_page(double _w=0, double _h=0) : page(_w, _h) { };
+};
+
struct cmd_exec {
virtual vector<page *> process(vector <page *> &pages UNUSED) { abort(); }
};