+// draw_all_deferred_text draws every string in current that is not the same in old, in red
+void my_draw_text_deferred(std::vector<TextDefer> &td, const widestring &str, double size, int xpos, int ypos);
+void draw_all_deferred_text(unsigned char *buf, std::vector<TextDefer> ¤t, std::vector<TextDefer> &old);
+