pixelmatix/SmartMatrix — pull request #6 by twonk (2014-06-11 15:29:56+00:00)
Title: Add method to update text that is scrolling

It’s useful to be able to change the text that is currently scrolling
on the display without having it re-position off the side of the
display. Example: scrolling the time where the seconds change part way
through the scroll.