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from the cifoutput section, NOT the cifinput section. This change underscores the point that LEF and DEF formats define mask data, and therefore all LEF and DEF routines should be using the CIF input/output methods and layers. That is a major code change; meanwhile, getting via layer values from the cifoutput parameters is slightly more reliable than using cifinput, since there is good reason to use templayers to read vias, and that sort of indirection makes it difficult to determine a simple relationship between a LEF cut layer and a magic contact.