Escaped backslashes in docstrings.

Lib/base64.py

@@ -324,7 +324,7 @@ def a85encode(b, *, foldspaces=False, wrapcol=0, pad=False, adobe=False):
     instead of 4 consecutive spaces (ASCII 0x20) as supported by 'btoa'. This
     feature is not supported by the "standard" Adobe encoding.
 
-    wrapcol controls whether the output should have newline ('\n') characters
+    wrapcol controls whether the output should have newline ('\\n') characters
     added to it. If this is non-zero, each output line will be at most this
     many characters long.
 
@@ -434,7 +434,7 @@ _b85dec = None
 def b85encode(b, pad=False):
     """Encode an ASCII-encoded byte array in base85 format.
 
-    If pad is true, the input is padded with "\0" so its length is a multiple of
+    If pad is true, the input is padded with "\\0" so its length is a multiple of
     4 characters before encoding.
     """
     global _b85chars, _b85chars2

Lib/codecs.py

@@ -1065,7 +1065,7 @@ def make_encoding_map(decoding_map):
         during translation.
 
         One example where this happens is cp875.py which decodes
-        multiple character to \u001a.
+        multiple character to \\u001a.
 
     """
     m = {}

Lib/email/_encoded_words.py

@@ -152,7 +152,7 @@ def decode(ew):
     then from the resulting bytes into unicode using the specified charset.  If
     the cte-decoded string does not successfully decode using the specified
     character set, a defect is added to the defects list and the unknown octets
-    are replaced by the unicode 'unknown' character \uFDFF.
+    are replaced by the unicode 'unknown' character \\uFDFF.
 
     The specified charset and language are returned.  The default for language,
     which is rarely if ever encountered, is the empty string.

Lib/idlelib/SearchEngine.py

@@ -191,7 +191,7 @@ def search_reverse(prog, chars, col):
 
     This is done by searching forwards until there is no match.
     Prog: compiled re object with a search method returning a match.
-    Chars: line of text, without \n.
+    Chars: line of text, without \\n.
     Col: stop index for the search; the limit for match.end().
     '''
     m = prog.search(chars)

Lib/smtplib.py

@@ -518,8 +518,8 @@ class SMTP:
         Raises SMTPDataError if there is an unexpected reply to the
         DATA command; the return value from this method is the final
         response code received when the all data is sent.  If msg
-        is a string, lone '\r' and '\n' characters are converted to
-        '\r\n' characters.  If msg is bytes, it is transmitted as is.
+        is a string, lone '\\r' and '\\n' characters are converted to
+        '\\r\\n' characters.  If msg is bytes, it is transmitted as is.
         """
         self.putcmd("data")
         (code, repl) = self.getreply()

Lib/test/support/__init__.py

@@ -1380,7 +1380,7 @@ def captured_stdout():
 
        with captured_stdout() as stdout:
            print("hello")
-       self.assertEqual(stdout.getvalue(), "hello\n")
+       self.assertEqual(stdout.getvalue(), "hello\\n")
     """
     return captured_output("stdout")
 
@@ -1389,7 +1389,7 @@ def captured_stderr():
 
        with captured_stderr() as stderr:
            print("hello", file=sys.stderr)
-       self.assertEqual(stderr.getvalue(), "hello\n")
+       self.assertEqual(stderr.getvalue(), "hello\\n")
     """
     return captured_output("stderr")
 
@@ -1397,7 +1397,7 @@ def captured_stdin():
     """Capture the input to sys.stdin:
 
        with captured_stdin() as stdin:
-           stdin.write('hello\n')
+           stdin.write('hello\\n')
            stdin.seek(0)
            # call test code that consumes from sys.stdin
            captured = input()

Lib/textwrap.py

@@ -148,7 +148,7 @@ class TextWrapper:
         """_munge_whitespace(text : string) -> string
 
         Munge whitespace in text: expand tabs and convert all other
-        whitespace characters to spaces.  Eg. " foo\tbar\n\nbaz"
+        whitespace characters to spaces.  Eg. " foo\\tbar\\n\\nbaz"
         becomes " foo    bar  baz".
         """
         if self.expand_tabs:
@@ -184,7 +184,7 @@ class TextWrapper:
         """_fix_sentence_endings(chunks : [string])
 
         Correct for sentence endings buried in 'chunks'.  Eg. when the
-        original text contains "... foo.\nBar ...", munge_whitespace()
+        original text contains "... foo.\\nBar ...", munge_whitespace()
         and split() will convert that to [..., "foo.", " ", "Bar", ...]
         which has one too few spaces; this method simply changes the one
         space to two.
@@ -420,7 +420,7 @@ def dedent(text):
     in indented form.
 
     Note that tabs and spaces are both treated as whitespace, but they
-    are not equal: the lines "  hello" and "\thello" are
+    are not equal: the lines "  hello" and "\\thello" are
     considered to have no common leading whitespace.  (This behaviour is
     new in Python 2.5; older versions of this module incorrectly
     expanded tabs before searching for common leading whitespace.)