On Sun, 10 Jul 2011 00:30:43 +0200 Ljubomir Ljubojevic wrote:
I am atypical keyboard user. I often have problems when I try to use the <Shift> key, I press it but it is like I have not done so, and I can reproduce this on at least 3 separate keyboards, and this jumping.
Large fingers, small keyboards, careless typing (or all of the above) could be causing you to press more than one key at a time, unintentionally creating different control combinations.