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-rw-r--r--Lib/subprocess.py3
1 files changed, 3 insertions, 0 deletions
diff --git a/Lib/subprocess.py b/Lib/subprocess.py
index a62d9a455f..35086ac4df 100644
--- a/Lib/subprocess.py
+++ b/Lib/subprocess.py
@@ -104,6 +104,9 @@ in the child process prior to executing the command.
If env is not None, it defines the environment variables for the new
process.
+If universal_newlines is false, the file objects stdin, stdout and stderr
+are opened as binary files, and no line ending conversion is done.
+
If universal_newlines is true, the file objects stdout and stderr are
opened as a text files, but lines may be terminated by any of '\n',
the Unix end-of-line convention, '\r', the old Macintosh convention or