parameters: (self, n)
docstring: Rewind the _decoded_chars buffer.
docstring_summary: Rewind the _decoded_chars buffer.
docstring_tokens: Rewind the _decoded_chars buffer .
function: def _rewind_decoded_chars(self, n):
          """Rewind the _decoded_chars buffer."""
          if self._decoded_chars_used < n:
              raise AssertionError("rewind decoded_chars out of bounds")
          self._decoded_chars_used -= n
function_tokens: def _rewind_decoded_chars ( self , n ) : if self . _decoded_chars_used < n : raise AssertionError ( "rewind decoded_chars out of bounds" ) self . _decoded_chars_used -= n