assumedLinearUnit: see #5175. Accepts the same tokens a declared <Units linearUnit="..."> accepts (e.g. "meter", "foot", "USSurveyFoot"); an unknown token refuses rather than defaulting to meters. Ignored, with a warning, when the source declares its own <Units>.
assumedLinearUnit: see #5175. Accepts the same tokens a declared<Units linearUnit="...">accepts (e.g."meter","foot","USSurveyFoot"); an unknown token refuses rather than defaulting to meters. Ignored, with a warning, when the source declares its own<Units>.