/* some code to handle the case where a user drags the mouse around an edge of the
- * text field, triggering an autoscroll. If we don't do anything, our highlight rame
+ * text field, triggering an autoscroll. If we don't do anything, our highlight frame
* would get scrolled along with the content and then redrawn immediately which
* obviously looks messy.
* Instead we check if the visible rectangle has moved since the last