parameters: (self, elem)
docstring: should this feature be defined during header generation
          (has it been removed by a profile or version)?
docstring_summary: should this feature be defined during header generation
          (has it been removed by a profile or version)?
docstring_tokens: should this feature be defined during header generation ( has it been removed by a profile or version ) ?
function: def __init__(self, elem):
          self.required = False
          """should this feature be defined during header generation
          (has it been removed by a profile or version)?"""
  
          self.declared = False
          "has this feature been defined already?"
  
          self.elem = elem
          "etree Element for this feature"
function_tokens: def __init__ ( self , elem ) : self . required = False self . declared = False "has this feature been defined already?" self . elem = elem "etree Element for this feature"