The Roseburg City Council today is expected to formally slash by more than half the city’s projected population growth, a move forced by rural residents who want to stay beyond the city’s reach. The revised forecast will have long-term consequences for Roseburg’s footprint. City planners will turn inward and focus on developing vacant urban lots rather than expanding into unincorporated areas. The head of the homeowners group that reined in the city said Friday he was satisfied with the outcome. “Our emphasis has been on trying to work to minimize the taking of farmland and timberland. We’ve always felt there’s …