+#define MARK_FRAME_GUTTERS_CHANGED(f) do { \
+ struct frame *mftc_f = (f); \
+ mftc_f->gutter_changed = 1; \
+ mftc_f->modiff++; \
+ if (!NILP (mftc_f->device)) \
+ { \
+ struct device *mftc_d = XDEVICE (mftc_f->device); \
+ MARK_DEVICE_GUTTERS_CHANGED (mftc_d); \
+ } \
+ else \
+ gutter_changed = 1; \
+} while (0)
+