SPRINGFIELD — The three Republican judges on the state’s high court wrote late last month that the consequences of rejecting a redistricting change could be dire.This week they added a new chapter to their disagreement with a nod toward the past instead of an eye on the future.Justice Lloyd A. Karmeier authored a new dissent Tuesday in a redistricting case that cites a century-old dispute in which the Illinois Supreme Court ruled a proposed constitutional change was not overly broad, even though it essentially …