Hello Danny and Joseph,

Thank you for your comments.
I moved the test case to gcc.dg/format as mentioned. No until now I didn't 
ran all test-case for this. But I am certain, we need to re-arrange things 
here.

> Some quibles:
> 
> MS uses the "%I" flag as a length specifier for size_t/ptrdiff_t
> http://msdn2.microsoft.com/en-us/library/tcxf1dw6(VS.80).aspx

Ok, I changed the formatter defines for this. I reused the .._L flag for 
the 'I' type, because 'L' is no valid length specifier for MS at all. I am 
not quite sure if this ok, but it seems to work.

> Your patch still retains "I" in its gnu  extension sense.
> MS printf will get confused by it.
I removed the I flag definition now AFAIS.
> TODO:
>  MS printf does not handle "%hh" or "%ll" correctly and does not even
> recognize long double.

I disabled the hh and removed the floating point use of 'll'. The .._ll 
flag remains for the I64 specifier.

> Also what about  MS extension %hc' and '%lc'.
This I added to formatter rules.

Cheers,
 i.A. Kai Tietz



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