SIGQUIT from tty layer

[Ben Gamari]

On Thu, Jul 09, 2009 at 05:00:47PM +0200, Samuel Thibault wrote:
> SIGQUIT is sent to the X server if the controling tty of the X server
> (probably its VT) receives the QUIT character (usually control-\, i.e.
> 0x1c)

This, however, would imply that something is sending the character and
this something is certainly not me. Where else might this character come
from? How might I trace who's writing to the tty?

- Ben