I'm nervous. After installing racket version 7.8 on linux (Ubuntu) at a time when I really should not have done only because I'm in the middle of development and would much prefer to change the version at a later date. The installation did not go without a hitch this time, meaning the problem seems to be minor but will take me time to resolve. I am inclined to return to version 7.7, if that is possible. Q. Is it a mistake to simply reinstall racket v.7.7? Does that action make it the current version even though version 7.8 is now installed. Q. To change the current racket version should I be using: a) raco setup... or possibly: b) raco pkg remove and raco pkg install Q. I've been reading up on "Getting Started with Packages" but am I correct in thinking they are conceptually within a racket version rather than the complete definition of a racket version. Thanks Don
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