     }
 } ;
 
-{ 3append 3append-as } related-words
-
 HELP: surround
 { $values { "seq1" sequence } { "seq2" sequence } { "seq3" sequence } { "newseq" sequence } }
 { $description "Outputs a new sequence with " { $snippet "seq1" } " inserted between " { $snippet "seq2" } " and " { $snippet "seq3" } "." }

{ $values { "seq" sequence } { "elt" object } }
{ $description "Outputs the last element of a sequence." }
{ $errors "Throws an error if the sequence is empty." } ;

{ pop pop* } related-words

HELP: pop*
{ $values { "seq" "a resizable mutable sequence" } }

    }
} ;

{ append append-as append! 3append 3append-as push-all } related-words

HELP: prepend
{ $values { "seq1" sequence } { "seq2" sequence } { "newseq" sequence } }
