[erlang-questions] Change in behaviour in 5.9

[Tony Rogvall]

I think the documentation is wrong here!
The return value should probably (to be safe) be documented as iolist() ?

/Tony

On 13 jan 2012, at 23:15, Bob Cowdery wrote:

> Hi
> 
> In erl 5.8.2 I had this:
> S = io_lib:format("~10.6.0f", [Freq]),
> where Freq was a float, say 7.0 and this gave me
> [["00","7.000000"]] so I concat the strings to get what I want which is
> "007.000000"
> 
> In 5.9 the code breaks because I get [["00",55,46,48,48,48,48,48,48]].
> 
> Neither look right to me but I really don't understand the 5.9 result.
> 
> If I do io:format("~10.6.0f", [7.0]). it gives me what I would expect
> "007.000000".
> 
> Can someone explain these behaviours please.
> 
> Thanks
> Bob
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