by checking :data:`sys.float_repr_style`, which will be ``short``
if the new code is in use and ``legacy`` if it isn't.
- Implemented by Mark Dickinson, using David Gay's :file:`dtoa.c` library;
+ Implemented by Eric Smith and Mark Dickinson, using David Gay's
+ :file:`dtoa.c` library; :issue:`7117`.
* The :meth:`str.format` method now supports automatic numbering of the replacement
fields. This makes using :meth:`str.format` more closely resemble using