Sorry for being a curmudgeon, however...
>>> format(Decimal(1234), '020,g')
'0,000,000,000,001,234'
>>> format(Decimal(1234), '0=20,g')
'0000000000000001,234'
Why in the world would you ever want to insert commas as separators and not
use them consistently?
>>> format(Decimal('nan'), '020,g')
' NaN'
>>> format(Decimal('nan'), '0=20,g')
'00000000000000000NaN'
Why in the world would you ever want to zero pad Nan (or Inf, for that matter)?
Stefan> The advantage of decimal is that the user has the option to
Stefan> suppress commas. The behaviour of float is slightly easier to
Stefan> implement in C.
Why? If the user asked for them why would you want to suppress (some of)
them?
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