float literals

[BCS]

Reply to Ellery,

> BCS wrote:
> 
>> Reply to Ellery,
>> 
>>> From the grammar,
>>> 
>>> FloatLiteral:
>>> Float
>>> Float Suffix
>>> Integer ImaginarySuffix
>>> Integer FloatSuffix ImaginarySuffix
>>> Integer RealSuffix ImaginarySuffix
>> I don't think "Integer" is referring to "IntegerLiteral". In fact, I
>> think it is undefined.
>> 
> Umm.. Ok. I guess I'll just omit it from my grammar until it is
> defined...
> 
> At least for RealSuffix it appeared very much to be referring to
> IntegerLiteral
> 

As that is in lex.html I don't think it is part of the syntax but part of 
the lexical stuff. OTOH I seem to recall that there are some issues with 
FP literals vs slices ".."