442     UChar32 jgStart2;  // First code point with a Joining_Group, second range.  in build()  local
447     for(jgStart2=MIN_JG_START2;  in build()
448         jgStart2<jgLimit2 && jgArray2[jgStart2-MIN_JG_START2]==U_JG_NO_JOINING_GROUP;  in build()
449         ++jgStart2) {}  in build()
455     int32_t jgLength=jgLimit-jgStart+jgLimit2-jgStart2;  in build()
459         } else if((jgStart2<jgLimit2) && (jgStart2&3)) {  in build()
460             --jgStart2;  in build()
470     indexes[UBIDI_IX_JG_START2]=jgStart2;  in build()
488                (int)(jgLimit2-jgStart2), (int)jgStart2, (int)(jgLimit2-1));  in build()
532     UChar32 jgStart2=indexes[UBIDI_IX_JG_START2];  in writeCSourceFile()  local
536         jgArray2+(jgStart2-MIN_JG_START2), 8, jgLimit2-jgStart2,  in writeCSourceFile()
574     UChar32 jgStart2=indexes[UBIDI_IX_JG_START2];  in writeBinaryData()  local
576     udata_writeBlock(pData, jgArray2+(jgStart2-MIN_JG_START2), jgLimit2-jgStart2);  in writeBinaryData()