DIFF_XDL_CLR     3788 diff.c         		DIFF_XDL_CLR(options, NEED_MINIMAL);
DIFF_XDL_CLR     3807 diff.c         		DIFF_XDL_CLR(options, NEED_MINIMAL);
DIFF_XDL_CLR     2078 merge-recursive.c 		DIFF_XDL_CLR(o, NEED_MINIMAL);