Possible Bug In Script Editor?

Hi guys,
maybe you don’t remember me, I come to the forum from time to time …

Anyway, here’s the problem: I’m in editing mode (not terminal mode) and I normally write code (well, I’m just learning, nothing special yet :)). Sometimes it happens that if I keep backspace pressed (because I want to cancel more than one character) it does not work: I have to press it more and more times (one time per character).
When this happens I usually switch to terminal mode, then switch again to editor mode and the backspace will now be fine. After a while the problem comes again and so on…

I don’t know if anybody else already noticed this…

Bye!! (sorry my english sucks)