Commits on Apr 26, 2024

1. docs: fixes and edits for chaperone-treelist …

     * An `append2-proc` must accept four arguments, not three.
   
     * Do not allow `#f` for `ref-proc`.
   
     * Move discussion of `delete-proc`, `take-proc`, and `drop-proc`
       before `append-proc`, `prepend-proc`, and `append2-proc`,
       on the grounds that operations on one treelist are relatively
       similar, whereas the two-treelist operations get into some
       extended discussion.
   
     * Specify that `state-key` is recognized by `eq?`.
   
     * Add example for `chaperone-treelist`.
   
     * The result of `impersonate-mutable-treelist` is a non-chaperone
       impersonator.
   
     * Typo fix.

   

   LiberalArtist committed Apr 26, 2024
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2. racket/treelist: remove dead code …

   Calling `chaperone-treelist` and friends with `#:ref #f` has not been
   allowed since 4530cd9.

   

   LiberalArtist committed Apr 26, 2024
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