ocr: Phmaryline direction == nght to lert 16 151 1413 910 11 4 1 0- Primarycaret :: position Character 16: 115:14:13214 - - - BI: a 1114 :2: offsets - : - 4 :::. I: 16 154413 b r E 910/11 12 3 2 - - - 0- Secondary caret - Direction position boundary Character offset -Caret poundaries for positions mouse down