Google FeedBurner is phasing out its RSS-to-email subscription service. While we are currently working on the implementation of a new system, you may experience an interruption in your email subscription service.
Please stay tuned for further communications.
What is the difference of setting up a delta of 0 , tolerance of 50.... (so 0:50)
no delta, tolerance of 100...... (so :100)
since in my case, a target appears if a delta is used.
follow up question:, how does constraint manager identifies a target net....?
Thanks in advance!!