"jump_up"
if:
    expr: myvar("is_aimerspider")
    key: wasdown x
    key: wasdown u
    coll: all no
        ;;    *\*/*
        ;;    - + -
        ;;       \*
        ;;
        ;;
        ;; ( )
then:
    move: 1 0
    rot: 1
    goto immediate: "start_jump"

"jump"
if:
    key: wasdown u
    coll: all no
        ;;       \*/*
        ;;        + -
        ;;       /*\*
        ;; ( )
then:
    move: 1 0
    goto immediate: "start_jump"