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-rw-r--r--Modules/_codecsmodule.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/Modules/_codecsmodule.c b/Modules/_codecsmodule.c
index 83aaa64..f25297a 100644
--- a/Modules/_codecsmodule.c
+++ b/Modules/_codecsmodule.c
@@ -54,9 +54,9 @@ PyDoc_STRVAR(register__doc__,
"register(search_function)\n\
\n\
Register a codec search function. Search functions are expected to take\n\
-one argument, the encoding name in all lower case letters, and return\n\
-a tuple of functions (encoder, decoder, stream_reader, stream_writer)\n\
-(or a CodecInfo object).");
+one argument, the encoding name in all lower case letters, and either\n\
+return None, or a tuple of functions (encoder, decoder, stream_reader,\n\
+stream_writer) (or a CodecInfo object).");
static
PyObject *codec_register(PyObject *self, PyObject *search_function)