[Python-checkins] cpython: Close #4966: revamp the sequence docs in order to better explain the state of

[Terry Reedy]

On 8/20/2012 3:14 AM, nick.coghlan wrote:
> +(5)
> +   :meth:`clear` and :meth:`!copy` are included for consistency with the
> +   interfaces of mutable containers that don't support slicing operations
> +   (such as :class:`dict` and :class:`set`)
> +
> +   .. versionadded:: 3.3
> +      :meth:`clear` and :meth:`!copy` methods.

Should !copy be copy (both places) or is '!' some markup I don't know about?