On Thu, 10 Oct 2013, Ed Vance wrote to mark lewis:

 EV> SOmething else I notice on my XP box that happens in Firefox 24.0 
 EV> and Foxit is when I use the scroll wheel to continue reading 
 EV> what's on a page, I see a quick Flash or Blink in the middle of 
 EV> the text.

i can't say that i've ever noticed such... where is the mouse pointer at
the time you see this thing?

 EV> This has been going on for a long time but I thought I'd ask if 
 EV> that is a normal occurance since You (and other readers here) use 
 EV> computers all the time.
 EV> This is on the XP box, I can't remember if I see it in Vista or 
 EV> not.

it could just be speed related... slower machines tend to "show"
more artifacts at times... in reality, all machines show them but on the
fast machines, they are so quick that no one catches them...

)\/(ark