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-rw-r--r--erts/preloaded/src/erlang.erl6
1 files changed, 3 insertions, 3 deletions
diff --git a/erts/preloaded/src/erlang.erl b/erts/preloaded/src/erlang.erl
index a8a4425b63..fb869bae66 100644
--- a/erts/preloaded/src/erlang.erl
+++ b/erts/preloaded/src/erlang.erl
@@ -1714,15 +1714,15 @@ nodes(_Arg) ->
erlang:nif_error(undefined).
-spec open_port(PortName, PortSettings) -> port() when
- PortName :: {spawn, Command :: string()} |
- {spawn_driver, Command :: [byte()]} |
+ PortName :: {spawn, Command :: string() | binary()} |
+ {spawn_driver, Command :: string() | binary()} |
{spawn_executable, FileName :: file:name() } |
{fd, In :: non_neg_integer(), Out :: non_neg_integer()},
PortSettings :: [Opt],
Opt :: {packet, N :: 1 | 2 | 4}
| stream
| {line, L :: non_neg_integer()}
- | {cd, Dir :: string()}
+ | {cd, Dir :: string() | binary()}
| {env, Env :: [{Name :: string(), Val :: string() | false}]}
| {args, [string() | binary()]}
| {arg0, string() | binary()}