Over the past year, the Illinois Appellate Court issued at least six opinions addressing post-judgment proceedings — and that’s only the published ones.While it may not be unusual for the courts to review decisions involving petitions under Section 2-1401 of the Code of Civil Procedure, their rulings often turn on whether the party was diligent in the underlying proceeding.To vacate a judgment more than 30 days after entry by the circuit court, a party must satisfy the comprehensive procedure set forth in …