parameters: (self)
docstring: append header with .TH and .SH NAME
docstring_summary: append header with .TH and .SH NAME
docstring_tokens: append header with . TH and . SH NAME
function: def append_header(self):
          """append header with .TH and .SH NAME"""
          # NOTE before everything
          # .TH title_upper section date source manual
          if self.header_written:
              return
          self.head.append(self.header())
          self.head.append(MACRO_DEF)
          self.header_written = 1
function_tokens: def append_header ( self ) : # NOTE before everything # .TH title_upper section date source manual if self . header_written : return self . head . append ( self . header ( ) ) self . head . append ( MACRO_DEF ) self . header_written = 1