Don, we have no absolute commitment to backward compatibility but we rarely break it and, when we do, we try to support the transition. [We use every feature in our language so we need those transition tools and are happy to support others.]
See Neil's response. He's a power user -- Matthias On Apr 28, 2013, at 8:33 PM, Don Green wrote: > Is there any assurance3 that a program written with Racket wil work with a > future version of Racket? I expect the short answer is: No. > Any related comments are appreciated. > I am using Racket version 5.2.1. > I have found that regexp functions are too slow for large data files but > maybe newer versions have made a change that would speed things up. (I read > something about some solution from github but I am not sure that is something > I should look into.) I'd rather just install a new version of Racket at an > appropriate stage, namely when my current project development has concluded. > My current work around is a call to an external program which provides the > regexp function at the speed needed. > Thanks for any comment(s). > Don Green > > ____________________ > Racket Users list: > http://lists.racket-lang.org/users ____________________ Racket Users list: http://lists.racket-lang.org/users