old_contents: """A more or less complete user-defined wrapper around dictionary objects."""
  
  import riscos
  
  class _Environ:
      def __init__(self, initial = None):
          pass
      def __repr__(self):
          return repr(riscos.getenvdict())
      def __cmp__(self, dict):
          if isinstance(dict, UserDict):
              return cmp(riscos.getenvdict(), dict)
      def __len__(self):
          return len(riscos.getenvdict())
      def __getitem__(self, key):
          ret = riscos.getenv(key)
          if ret<>None:
              return ret
          else:
              raise KeyError
      def __setitem__(self, key, item):
          riscos.setenv(key, item)
      def __delitem__(self, key):
          riscos.delenv(key)
      def clear(self):
          # too dangerous on RISC OS
          pass
      def copy(self):
          return riscos.getenvdict()
      def keys(self): return riscos.getenvdict().keys()
      def items(self): return riscos.getenvdict().items()
      def values(self): return riscos.getenvdict().values()
      def has_key(self, key):
          value = riscos.getenv(key)
          return value<>None
      def update(self, dict):
          for k, v in dict.items():
              riscos.putenv(k, v)
      def get(self, key, failobj=None):
          value = riscos.getenv(key)
          if value<>None:
              return value
          else:
              return failobj
  
  
new_contents: """A more or less complete user-defined wrapper around dictionary objects."""
  
  import riscos
  
  class _Environ:
      def __init__(self, initial = None):
          pass
      def __repr__(self):
          return repr(riscos.getenvdict())
      def __cmp__(self, dict):
          if isinstance(dict, UserDict):
              return cmp(riscos.getenvdict(), dict)
      def __len__(self):
          return len(riscos.getenvdict())
      def __getitem__(self, key):
          ret = riscos.getenv(key)
          if ret<>None:
              return ret
          else:
              raise KeyError
      def __setitem__(self, key, item):
          riscos.putenv(key, item)
      def __delitem__(self, key):
          riscos.delenv(key)
      def clear(self):
          # too dangerous on RISC OS
          pass
      def copy(self):
          return riscos.getenvdict()
      def keys(self): return riscos.getenvdict().keys()
      def items(self): return riscos.getenvdict().items()
      def values(self): return riscos.getenvdict().values()
      def has_key(self, key):
          value = riscos.getenv(key)
          return value<>None
      def update(self, dict):
          for k, v in dict.items():
              riscos.putenv(k, v)
      def get(self, key, failobj=None):
          value = riscos.getenv(key)
          if value<>None:
              return value
          else:
              return failobj
  
  
subject: Replace setenv with putenv. Reported by Dietmar Schwertberger.