anchor.diff:  
       if (data.containsKey("parameters")) {
         data["parameters"].forEach((name, description) {
  -        var variable = cleanName(name);
  +        var variable = escapeParameter(cleanName(name));
           var location = "queryParams";
           if (description["location"] == "path") { location = "urlParams"; }
           if (description["required"] == true) {
  
positive.code:         if (!description.containsKey("gen_included")) {
            var type = parameterType[description["type"]];
            if (type != null) {
              var variable = cleanName(name);
              tmp.write(_createParamComment(variable, description));
              optParams.add("$type $variable");
            }
  
negative.code:         if (data["parameters"].containsKey(param)) {
            var type = parameterType[data["parameters"][param]["type"]];
            if (type != null) {
              var variable = escapeParameter(cleanName(param));
              tmp.write(_createParamComment(variable, data["parameters"][param]));
              params.add("$type $variable");
              data["parameters"][param]["gen_included"] = true;
  