/* Grow or shrink active window horizontally ("change" = "*"/"_") or vertically
* ("change" = "+"/"-") if the new size was at least 1x1, the height at least
* one cell smaller than .v_screen's vertical hight (to provide space for the
/* Grow or shrink active window horizontally ("change" = "*"/"_") or vertically
* ("change" = "+"/"-") if the new size was at least 1x1, the height at least
* one cell smaller than .v_screen's vertical hight (to provide space for the