#define XDF_DIFF_ALGORITHM_MASK (XDF_PATIENCE_DIFF | XDF_HISTOGRAM_DIFF)
#define XDF_DIFF_ALG(x) ((x) & XDF_DIFF_ALGORITHM_MASK)
+#define XDF_IGNORE_BLANK_LINES (1 << 7)
+
+#define XDF_COMPACTION_HEURISTIC (1 << 8)
+
#define XDL_EMIT_FUNCNAMES (1 << 0)
-#define XDL_EMIT_COMMON (1 << 1)
#define XDL_EMIT_FUNCCONTEXT (1 << 2)
#define XDL_MMB_READONLY (1 << 0)