OpenEuphoria

Wen I run following code I get a wrong result:

-- [...] 
 
sequence s = {"first", {}} 
sequence t = store(s, {2}, {"second", {}}) 
 
pretty_print(1, t, {3}) 
puts(1, "\n") 
maybe_any_key() 

{ 
  "first", 
  { 
    "first", 
    { 
      "second", 
      "" 
    } 
  } 
}