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authorChris Jerdonek <chris.jerdonek@gmail.com>2012-10-18 03:21:05 (GMT)
committerChris Jerdonek <chris.jerdonek@gmail.com>2012-10-18 03:21:05 (GMT)
commit206f962f32cb537efa115387f3337b28c58006bb (patch)
treef426b9c530a443c8221450c22cc13af87c8782b0 /Doc/tutorial
parentdd35500073739c8b697dac7a84f323d5854cee39 (diff)
parent5bf7f1f6e39fa399287fea6058c48842c2dd5a3a (diff)
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Merge from 3.2: clarify universal-newline wording in tutorial (issue #16266).
Diffstat (limited to 'Doc/tutorial')
-rw-r--r--Doc/tutorial/inputoutput.rst7
1 files changed, 4 insertions, 3 deletions
diff --git a/Doc/tutorial/inputoutput.rst b/Doc/tutorial/inputoutput.rst
index 73143be..1324359 100644
--- a/Doc/tutorial/inputoutput.rst
+++ b/Doc/tutorial/inputoutput.rst
@@ -256,9 +256,10 @@ default being UTF-8). ``'b'`` appended to the mode opens the file in
:dfn:`binary mode`: now the data is read and written in the form of bytes
objects. This mode should be used for all files that don't contain text.
-In text mode, the default is to convert platform-specific line endings (``\n``
-on Unix, ``\r\n`` on Windows) to just ``\n`` on reading and ``\n`` back to
-platform-specific line endings on writing. This behind-the-scenes modification
+In text mode, the default when reading is to convert platform-specific line
+endings (``\n`` on Unix, ``\r\n`` on Windows) to just ``\n``. When writing in
+text mode, the default is to convert occurrences of ``\n`` back to
+platform-specific line endings. This behind-the-scenes modification
to file data is fine for text files, but will corrupt binary data like that in
:file:`JPEG` or :file:`EXE` files. Be very careful to use binary mode when
reading and writing such files.