>>>>> "David" == David Carlisle <davidc@xxxxxxxxx> writes:

    David> parsers were allowed to barf on these reserved names then
    David> every time another name that is "reserved for future use"
    David> actually got used, every parser on the planet would have to
    David> be updated, which would mean, practically speaking, that
    David> non of the reserved names would ever be used, the cost
    David> would be too high.

No - not every parser on the planet - only those that did the
checking.
And the cost? Adding a name to a table? 10 seconds work.
-- 
Colin Paul Adams
Preston Lancashire