* Xavier Leroy (xavier.leroy@inria.fr) wrote:
> > In the C library, printf(3) supports variable field widths and
> > precisions with the `*' specifier.
> > Unfortunately, neither the O'Caml library nor the compiler accept `*'.
> > If the `*' form is available, the `*m$' form is hardly needed, but I
> > couldn't find a way to hack around the missing `*' (handling every
> > conceivable width/precision pair as a special case doesn't count ...).
> > 
> > Is there are chance that variable field widths for the benefit of
> > numerical programs will be supported in the future?
> 
> I've never needed the '*' specifier so far, but I agree this should be
> supported at some point.  As far as I can say, this requires a bit of
> work, though.

By the way, it also seems that the + format is not supported either:

# Printf.printf "%+f" 2. ;;
Bad format `%+'

Alan

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