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gh-80143: Add clarification for escape characters (GH-92292) (GH-92630)

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(cherry picked from commit 549567c6e7)

Co-authored-by: slateny <46876382+slateny@users.noreply.github.com>
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Miss Islington (bot) 2022-05-16 08:32:28 -07:00 • committed by GitHub
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10
Doc/reference/lexical_analysis.rst
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@ -447,9 +447,11 @@ see section :ref:`encodings`.
In plain English: Both types of literals can be enclosed in matching single quotes
(``'``) or double quotes (``"``). They can also be enclosed in matching groups
of three single or double quotes (these are generally referred to as
*triple-quoted strings*). The backslash (``\``) character is used to escape
characters that otherwise have a special meaning, such as newline, backslash
itself, or the quote character.
*triple-quoted strings*). The backslash (``\``) character is used to give special
meaning to otherwise ordinary characters like ``n``, which means 'newline' when
escaped (``\n``). It can also be used to escape characters that otherwise have a
special meaning, such as newline, backslash itself, or the quote character.
See :ref:`escape sequences <escape-sequences>` below for examples.
.. index::
single: b'; bytes literal
@ -508,6 +510,8 @@ retained), except that three unescaped quotes in a row terminate the literal. (
single: \u; escape sequence
single: \U; escape sequence
.. _escape-sequences:
Unless an ``'r'`` or ``'R'`` prefix is present, escape sequences in string and
bytes literals are interpreted according to rules similar to those used by
Standard C. The recognized escape sequences are: