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 my $token_grammar = qr {
        
...
        <token: punctuation>   ( \.+ | ,+ | ?+ | !+ | "+ | '+ | ;+ | :
++ | -+ | &+ | \(+ | \)+ | \[+ | \]+ )
        
    };

 
my $token_grammar = qr {
        
...
        <token: unit>                  <word>
        <token: word>             \b \w+ \b  
}