Jesse Jutson

For a line that is changed, it could do the same thing, just horizontally. Accordion new characters, squish old ones.

One potential fix could be to just slide in the new characters (instead of the whole line), while the unchanged characters in the line simply move as needed to make...

The code here can compute the quaternion from the alpha, beta, gamma values: https://www.w3.org/TR/2016/CR-orientation-event-20160818/#worked-example-2 Then tracking the changes from the quaternion instead of from alpha, beta, gamma should fix it?