parameters: (f)
return_statement: return f
docstring: Decorator for marking environment dependent filters.  The current
      :class:`Environment` is passed to the filter as first argument.
docstring_summary: Decorator for marking environment dependent filters.  The current
      :class:`Environment` is passed to the filter as first argument.
docstring_tokens: Decorator for marking environment dependent filters . The current : class : Environment is passed to the filter as first argument .
function: def environmentfilter(f):
      """Decorator for marking environment dependent filters.  The current
      :class:`Environment` is passed to the filter as first argument.
      """
      f.environmentfilter = True
      return f
function_tokens: def environmentfilter ( f ) : f . environmentfilter = True return f