It depends ultimately on the terminal to support it though. Only Linux terminals that support it atm are xterm and (u)rxvt, and there is an out-of-tree patch f

It depends ultimately on the terminal to support it though. Only Linux terminals that support it atm are xterm and (u)rxvt, and there is an out-of-tree patch for st that I made (though it was rejected for being too long (around 40 lines).