parameters: (self)
docstring: Scroll display down one line.
docstring_summary: Scroll display down one line.
docstring_tokens: Scroll display down one line .
function: def scroll_down (self): # <ESC>D
          '''Scroll display down one line.'''
  
          # Screen is indexed from 1, but arrays are indexed from 0.
          s = self.scroll_row_start - 1
          e = self.scroll_row_end - 1
          self.w[s+1:e+1] = copy.deepcopy(self.w[s:e])
function_tokens: def scroll_down ( self ) : # <ESC>D # Screen is indexed from 1, but arrays are indexed from 0. s = self . scroll_row_start - 1 e = self . scroll_row_end - 1 self . w [ s + 1 : e + 1 ] = copy . deepcopy ( self . w [ s : e ] )