This change was mentioned in the release notes, but I really should have avoided the incompatibility. My thought was that a vector of 4 values usually works in place of a vector of 3 values, but that's not true in many cases, such as when `match' is used.
At Fri, 18 Jan 2013 16:30:45 +0100, Tobias Hammer wrote: > Between 5.3.1 and 5.3.2 the result value of make-log-receiver changed from > a guaranteed 3 element vector to a 4 element vector. That's a backward > incompatible change that will likely break programs relying on the old > behavior. > > I think it would be worth a mentioning somewhere in the release notes to > save others from spurious exceptions. > > Tobias > > > -- > --------------------------------------------------------- > Tobias Hammer > DLR / Institute of Robotics and Mechatronics > Muenchner Str. 20, D-82234 Wessling > Tel.: 08153/28-1487 > Mail: tobias.ham...@dlr.de > _________________________ > Racket Developers list: > http://lists.racket-lang.org/dev _________________________ Racket Developers list: http://lists.racket-lang.org/dev