[docs] [issue35831] Format Spec example says limited to 3.1+ but works in 2.7

[Fred L. Drake, Jr.]

Fred L. Drake, Jr. <fdrake at gmail.com> added the comment:

The 3.X docs generally don't refer to the 2.X series.

What that comment is pointing out is that leaving the field identifier out (the number inside the {...} placeholder syntax) was not in the 3.0, but added in 3.1.

Unfortunately, I don't have a 3.0 interpreter available to show the exception that's raised.

No change is required.

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nosy: +fdrake
stage:  -> resolved
status: open -> closed

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