文档介绍：/*
XA_6:=BACKSET(XA_4,6)>BACKSET(XA_4,5);
XA_7:=IF(BARSLAST(XA_5)=BARSLAST(XA_6) AND XA_1>XA_2,XA_5,IF(BARSLAST(XA_6)>BARSLAST(XA_5),XA_5,0));
XA_8:=IF(BARSLAST(XA_5)=BARSLAST(XA_6) AND XA_2>XA_1,XA_6,IF(BARSLAST(XA_5)>BARSLAST(XA_6),XA_6,0));
XA_9:=XA_7 AND HIGH=HHV(HIGH,BARSLAST(XA_8));
XA_10:=XA_8 AND LOW=LLV(LOW,BARSLAST(XA_7));
GP:IF(XA_9,HIGH,NULL),CIRCLEDOT,COLORCYAN;
DP:IF(XA_10,LOW,NULL),CIRCLEDOT,COLORCYAN;
XA_11:=LOW>REF(HIGH,1) AND DAY<>REF(DAY,1);
XA_12:=HIGH<REF(LOW,1) AND DAY<>REF(DAY,1);
XA_13:=REF(LOW,BARSLAST(XA_11));
XA_14:=REF(HIGH,BARSLAST(XA_12));
XA_15:=REF(HIGH,BARSLAST(XA_9));
XA_16:=REF(LOW,BARSLAST(XA_9));
XA_17:=REF(HIGH,BARSLAST(XA_9)+1);
XA_18:=REF(LOW,BARSLAST(XA_9)+1);
XA_19:=REF(HIGH,BARSLAST(XA_9)+2);
XA_20:=REF(LOW,BARSLAST(XA_9)+2);
XA_21:=REF(HIGH,BARSLAST(XA_10));
XA_22:=REF(LOW,BARSLAST(XA_10));
XA_23:=REF(HIGH,BARSLAST(XA_10)+1);
XA_24:=REF(LOW,BARSLAST(XA_10)+1);
XA_25:=REF(HIGH,BARSLAST(XA_10)+2);
XA_26:=REF(LOW,BARSLAST(XA_10)+2);
XA_27:=IF(XA_16<=XA_18,XA_19,XA_17);
XA_28:=IF(XA_17<XA_16,XA_16,IF(XA_16<=XA_18,XA_20,XA_18));
XA_29:=IF(XA_24>XA_21,XA_21,IF(XA_21>=XA_23,XA_25,XA_23));
XA_30:=IF(XA_21>=XA_23,XA_26,XA_24);
XA_31:=XA_15>XA_29 AND XA_9;
XA_32:=XA_22<XA_28 AND XA_10;
XA_33