args_percentage_and_expand
xoff = args_percentage_and_expand(args, 'X', -(int)w->sx,
yoff = args_percentage_and_expand(args, 'Y', -(int)w->sy,
size = args_percentage_and_expand(args, 'l', 0, INT_MAX, curval,
sx = args_percentage_and_expand(args, 'x', 0, PANE_MAXIMUM,
sy = args_percentage_and_expand(args, 'y', 0, PANE_MAXIMUM,
ox = args_percentage_and_expand(args, 'X', -sx, w->sx,
oy = args_percentage_and_expand(args, 'Y', -sy, w->sy,
long long args_percentage_and_expand(struct args *, u_char, long long,