Thien-Thi Nguyen <ttn@glug.org> writes:
> my question is: why this make-work change?
(a) So that numerics don't get quoted. (b) The original coding was
wrong, since its rule for deciding when to quote had nothing to do with
the contents of the string being quoted, and it could thus fail to quote
when quoting was essential.
regards, tom lane
