fmt-s = "s" => [[ [ present ] ]]
fmt-S = "S" => [[ [ present >upper ] ]]
fmt-u = "u" => [[ [ unparse ] ]]
-fmt-d = "d" => [[ [ >integer number>string ] ]]
-fmt-o = "o" => [[ [ >integer >oct ] ]]
-fmt-b = "b" => [[ [ >integer >bin ] ]]
+fmt-d = "d" => [[ [ number>string ] ]]
+fmt-o = "o" => [[ [ >oct ] ]]
+fmt-b = "b" => [[ [ >bin ] ]]
fmt-e = digits "e" => [[ first '[ _ format-scientific ] ]]
fmt-E = digits "E" => [[ first '[ _ format-scientific >upper ] ]]
fmt-f = digits "f" => [[ first '[ _ format-decimal ] ]]