#define MRGB(v) fprintf(stderr," %s=%06lx", #v,(v))
#define MC(v) fprintf(stderr," %s='%c'", #v,(v))
#define MS(v) fprintf(stderr," %s=\"%s\"", #v,(v))
-#define MF(v) fprintf(stderr," %s=\"%f\"", #v,(v))
+#define MF(v) fprintf(stderr," %s=%f", #v,(v))
#define MSB(v) fprintf(stderr," %s", (v))
#define MR(v) fprintf(stderr," %s=%d,%d..%d,%d",\
#v,(v).tl.x,(v).tl.y,(v).br.x,(v).br.y)