[Python-Dev] PEP 3101 Update

[Talin]

Michael Chermside <mcherm <at> mcherm.com> writes:

> One small comment:
> 
> >     The conversion specifier consists of a sequence of zero or more
> >     characters, each of which can consist of any printable character
> >     except for a non-escaped '}'.
> 
> "Escaped"? How are they escaped? (with '\'?) If so, how are backslashes
> escaped (with '\\'?) And does the mechanism un-escape these for you
> before passing them to __format__?
> 
> Later...
> >     - Variable field width specifiers use a nested version of the {}
> >       syntax, allowing the width specifier to be either a positional
> >       or keyword argument:
> >
> >         "{0:{1}.{2}d}".format(a, b, c)
> 
> This violates the specification given above... it has non-escaped '}'
> characters. Make up one rule and be consistant.

What would you suggest? I'd be interested in hearing what kinds of
ideas people have for fixing these problems.

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-- Talin