In the new 2.4c1 documentation for decimal, section
5.6.7 Recipes, there is a moneyfmt function - which
mostly works pretty well.  It adds a separator between
every 3 digits. 

Unfortunately, it adds the separator even when there
are no further digits. So, for example, you can end up
with:

$,437.00

instead of 
$437.00

I propose a simple fix:
    while digits:
        append(next())
        i += 1
        if i % 3 == 0: append(sep)
    if result[-1] == sep: result.pop() # add this line

This would make the moneyfmt function much more usable. 

Anna

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user_id=80475

Thanks for the timely bug report.

Adopted a simpler solution -- only adding a separator when
more digits remain:

-        if i == 3:
+        if i == 3 and digits:

Also added at test to cover this case.

See Doc/lib/libdecimal.tex 1.22