shadowm@nanacore:~% wesnoth-defaults wesnoth --nomusic -r 1440x
Battle for Wesnoth v1.13.0-dev (effa20a-Clean)
Started on Mon Jul  7 19:37:16 2014

Automatically found a possible data directory at /home/shadowm/src/wesnoth
Caught a string thrown as an exception:
when trying to parse the game resolution "1440x" as a (int,int) with separator 'x',
didn't get exactly two tokens.