When was extended call syntax introduced?

["Martin v. Löwis"]

Edward K. Ream wrote:
> Various documentation pages, e.g.
> http://www.python.org/doc/2.3.3/lib/non-essential-built-in-funcs.html
> state that the apply function has been deprecated since 2.3.
> 
> Can anyone tell me when extended call syntax was actually introduced? 

That was in Python 2.0, see

http://www.python.org/2.0/new-python.html#SECTION0001010000000000000000

Regards,
Martin