#define RANGE_DIFF_CREATION_FACTOR_DEFAULT 60
+/*
+ * A much higher value than the default, when we KNOW we are comparing
+ * the same series (e.g., used when format-patch calls range-diff).
+ */
+#define CREATION_FACTOR_FOR_THE_SAME_SERIES 999
+
struct range_diff_options {
int creation_factor;
unsigned dual_color:1;