Europe’s publication printing sector seems to be entering a new phase of restructuring after the decision by Canada’s Quebecor World Inc. in November to divest all of its European printing operations.     The activities, comprising 18 printing and finishing facilities with more than 4,000 staff producing mainly publication products, is being merged with those of RSDB of the Netherlands in a joint venture in which Quebecor will have a 30 percent stake and the Dutch company th...