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Literal expressions

quote <datum> R5RS
'<datum> R5RS
The quoting mechanism is identical to R5RS , except that keywords constants evaluate "to themselves" as numerical constants, string constants, character constants, and boolean constants
           '"abc"     =>  "abc"
            "abc"      =>  "abc"
            '145932    =>  145932
            145932     =>  145932
            '#t        =>  #t
            #t         =>  #t
            :foo       =>  :foo
            ':foo      =>  :foo
          
Note: R5RS requires to quote constant lists and constant vectors. This is not necessary with STKLOS.