There are 3 choices for the alternative x-terminal-emulator (providing /usr/bin/x-terminal-emulator).
Selection Path Priority Status
------------------------------------------------------------
0 /usr/bin/xterm 20 auto mode
1 /usr/bin/gnome-terminal.wrapper 40 manual mode
* 2 /usr/bin/koi8rxterm 20 manual mode
3 /usr/bin/lxterm 30 manual mode
Press <enter> to keep the current choice[*], or type selection number: