Quoting Arjen Markus <arjen.markus@[...].nl> :
>  But the form ".0" is perfectly acceptable to other programming languages 
>  as representing a
>  "floating-point" zero. It could also arise as the result of an operation:
>  
>  set a [1.0 * 0.0]
>  $a + 1.0
>  
>  The string representation of a zero, as generated by the underlying C 
>  function, should
>  then be checked to include the leading "0".

Just commenting on that narrow point...

The proposal is for Tcl 8.5 or later, and starting in Tcl 8.5,
we don't let some "underlying C function" format our numbers
for us.  See TIP 132.

The generated string rep of a floating point value does not
begin with "."; you should be able to count on that.

DGP




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