 HELP: push-either
 { $values
      { "elt" object } { "quot" quotation } { "accum1" vector } { "accum2" vector } }
-{ $description "Pushes the input object onto one of the accumualators; the first if the quotation yields true, the second if false." } ;
+{ $description "Pushes the input object onto one of the accumulators; the first if the quotation yields true, the second if false." } ;
 
 HELP: sequence-hashcode
 { $values

{ $values
     { "quot" quotation }
     { "selector" quotation } { "accum1" vector } { "accum2" vector } }
{ $description "Creates two new vectors to accumultate values based on a predicate. The first vector accumulates values for which the predicate yields true; the second for false." } ;

HELP: 2unclip-slice
{ $values


HELP: shorter?
{ $values { "seq1" sequence } { "seq2" sequence } { "?" "a boolean" } }
{ $description "Tests if the length of " { $snippet "seq1" } " is smaller than the length of " { $snippet "seq2" } "." } ;

HELP: head?
{ $values { "seq" sequence } { "begin" sequence } { "?" "a boolean" } }
