anchor.diff:      field_parser parser = parserTable[field];
       if (parser == null) {
         if (printUnknownFields) {
  -      print("mtllib_parse: unknown field=[$field] on line=$lineNum from url=$url: [$line]");
  +        print("mtllib_parse: unknown field=[$field] on line=$lineNum from url=$url: [$line]");
         }
         return;
       }
  
positive.code: 
  typedef void field_parser(String field, String param, String line, int lineNum, String url);
  
  Map<String, Material> mtllib_parse(String str, String url, { printUnknownFields: true }) {
  
    Map<String, Material> lib = new Map<String, Material>();
    Material currMaterial;
  
negative.code:       print("Obj.fromString: URL=$url textCoordFound = $textCoordFound");
        print("Obj.fromString: URL=$url textCoord.length = ${textCoord.length} (2 * $indexCounter)");
        print("Obj.fromString: URL=$url normCoord.length = ${normCoord.length} (3 * $indexCounter)");
  
        int maxIndices = 100;
  
        print("Obj.fromString: URL=$url printing arrays only for objects with less than $maxIndices indices");
  
        if (indices.length < maxIndices) {
  