Re: Sort function modifies the table being sorted?

[Dirk Laurie <dirk.laurie@...>]

2012/6/14 Paul K <paulclinger@yahoo.com>:
> I suspect so too, but (1) it's not stated anywhere that it's against
> the rules and (2) changing to "o[a] and 0 or 9" fixes it, which should
> make no difference.
It does make a difference.  In the course of the sorting process, you reach
a point where o[a] does not exist.  As coded now, you will get 0, before
you would have got 9.  0 is not logically false in Lua.