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5.15.3 Word list example

The following example is from the garbage collector and uses wordlists to separate public words from helper words:

     get-current ( wid )
     vocabulary garbage-collector also garbage-collector definitions
     ... \ define helper words
     ( wid ) set-current \ restore original (i.e., public) compilation wordlist
     ... \ define the public (i.e., API) words
         \ they can refer to the helper words
     previous \ restore original search order (helper words become invisible)