Backstroke turn rule change

Is there a stated intention for the change to the backstroke turn change? The change deletes one sentence and changes the order of the other sentences. Does the deletion of the sentence indicate that you are now allowed to glide before starting the pull or was it simply considered redundant? New SW 6.4 When executing the turn there must be a touch of the wall with some part of the swimmer’s body. During the turn the shoulders may be turned over the vertical to the *** after which a continuous single arm pull or a continuous simultaneous double arm pull may be used to initiate the turn. The swimmer must have returned to the position on the back upon leaving the wall. Old SW 6.4 During the turn the shoulders may be turned over the vertical to the *** after which a continuous single are pull or a continuous simultaneous double are pull may be used to initiate the turn. Once the body has left the position on the back, any kick or arm pull must be part of the continuous turning action. The swimmer must have returned to the position on the back upon leaving a wall. When executing a turn there must be a touch of the wall with some part of the swimmers body.