It looks like it's about time to wrap up this thread. It has been a good exchange and I believe that the developers have been helpful and suitably notified. If someone thinks it is better to file a formal bug report, please let me know.
I will summarize for myself by saying that, even though I am still in evaluation mode with LyX and haven't used it for an extended period of time, I estimate that the scrolling behavior with a recent version of 2.1svn, with \force_paint_single_char false added to the preferences file *, would not cause undue scrolling fatigue or aggravation with extended use. However, this combination does result in a misplaced cursor at times. Thanks everyone. Jerry * Although this is the line that I recall pasting into Preferences, the line that is there now is \force_paint_single_char "0". Maybe the program changed it. In any case, changing "0" to "1" degrades scrolling substantially and does not misplace the cursor.
