Author eric.smith
Recipients docs@python, eric.smith, ezio.melotti, py.user, python-dev, terry.reedy
Date 2016-03-16.21:03:02
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> '''
> When no explicit alignment is given, preceding the width field by a zero ('0') character enables sign-aware zero-padding for numeric types. This is equivalent to a fill character of '0' with an alignment type of '='.
> '''

I think that's good.

> I presume the problem with changing the error message is that it is not immediately known that alignment was set implicitly, by 0 before decimal width, rather than explicitly.  If the spec string is still available, it could be searched and the message adjusted if '=' is not present.  That proposal should be a new issue if someone wants to push it.

Yes, that's the problem. I guess it would be easier to keep track of
which fields were set via defaults, and which explicitly. Currently,
that information is lost.
Date User Action Args
2016-03-16 21:03:02eric.smithsetrecipients: + eric.smith, terry.reedy, ezio.melotti, docs@python, py.user, python-dev
2016-03-16 21:03:02eric.smithlinkissue15660 messages
2016-03-16 21:03:02eric.smithcreate