Chris Bracken 71806383c1 Update selection base when deleting surrogates (flutter/engine#3558) ...

Ensure selection base is updated when deleting surrogates

This fixes a bug in which the selection base was not updated when
deleting at index of the trailing char of a Unicode surrogate,
introduced in d3149a5875.

Minor refactor to consolidate logic around NSRange.

2017-04-03 23:12:02 -07:00

..

src/flutter

Update selection base when deleting surrogates (flutter/engine#3558)

2017-04-03 23:12:02 -07:00