[BRLTTY] brltty5.2 alpine2.11 cursor tracking

[Nicolas Pitre]

On Fri, 18 Sep 2015, Dave Mielke wrote:

> [quoted lines by Nicolas Pitre on 2015/09/18 at 17:02 -0400]
> 
> >Well... It's been a few days since I've been running that brltty version 
> >on my BC640.  I don't know how the 5ms delay might affect things other 
> >than the screen refresh rate, but it seems that some braille display key 
> >events are dropped. Of course this is more visible with key release 
> >events that show as stuck keys.  It seems to occur only with combination 
> >of multiple keys so far, especially those that moves the display across 
> >multiple lines such as NXDIFCHAR or NXDIFLINE.  Maybe in that case, 
> >since there are more such key events to process simultaneously and more 
> >work is performed to move the window, something might be lost due to a 
> >race or something.
> 
> Have you verified that it's exactly this one change that makes the difference?

No.  Not yet.

And as I said, it takes hours on average for this issue to occur.

I'm using commit 79cd158b now.  Let's see.  I must travel for work on 
Sunday so I won't use the same computer environment during next week and 
might not be able to do sufficient testing before I return.


Nicolas