Utf 16 columns#192

Merged

bors-servo merged 3 commits intoservo:masterfrom

tromey:utf-16-columns

Sep 1, 2017

Commits on Aug 31, 2017

Introduce consume_newline and use it universally
tromey
committed
Introduce specialized advancing functions and use them universally
tromey
committed
Adjust line start position to ensure column is computed in UTF-16 characters
tromey
committed