* contiguously, and in these cases we sometimes do want to have control
* over whether to paint before i or after i-1.
* Some concrete examples of where this happens:
* a. i-1 at the end of one row, i at the beginning of next row
* b. in bidi text, at transitions between RTL and LTR or vice versa
*
* contiguously, and in these cases we sometimes do want to have control
* over whether to paint before i or after i-1.
* Some concrete examples of where this happens:
* a. i-1 at the end of one row, i at the beginning of next row
* b. in bidi text, at transitions between RTL and LTR or vice versa
*