[whatwg] Dates BCE

[Joshua Cranmer]

David Singer wrote:
> Against that, one has to realize that "the label of the day before X" 
> is well-defined for the day before the introduction of the Gregorian 
> calendar, and iteratively going back to year 1, year 0, year -1, and 
> so on.
In neither the Gregorian nor the Julian calendars is there a year 0, as 
used in conventional speech (formats designed for machine computation 
treat the issue a little differently).


-- 
Beware of bugs in the above code; I have only proved it correct, not tried it. -- Donald E. Knuth