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docs: Remove deprecated escape characters from the list of available escapes

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Kamil Śliwak 2021-07-14 21:28:20 +02:00
parent 41e06eab4e
commit 312ac4a255
1 changed files with 7 additions and 3 deletions
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docs/types/value-types.rst
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@ -514,17 +514,21 @@ Additionally, string literals also support the following escape characters:
- ``\\`` (backslash) - ``\\`` (backslash)
- ``\'`` (single quote) - ``\'`` (single quote)
- ``\"`` (double quote) - ``\"`` (double quote)
- ``\b`` (backspace)
- ``\f`` (form feed)
- ``\n`` (newline) - ``\n`` (newline)
- ``\r`` (carriage return) - ``\r`` (carriage return)
- ``\t`` (tab) - ``\t`` (tab)
- ``\v`` (vertical tab)
- ``\xNN`` (hex escape, see below) - ``\xNN`` (hex escape, see below)
- ``\uNNNN`` (unicode escape, see below) - ``\uNNNN`` (unicode escape, see below)
``\xNN`` takes a hex value and inserts the appropriate byte, while ``\uNNNN`` takes a Unicode codepoint and inserts an UTF-8 sequence. ``\xNN`` takes a hex value and inserts the appropriate byte, while ``\uNNNN`` takes a Unicode codepoint and inserts an UTF-8 sequence.
.. note::
Until version 0.8.0 there were three additional escape sequences: ``\b``, ``\f`` and ``\v``.
They are commonly available in other languages but rarely needed in practice.
If you do need them, they can still be inserted via hexadecimal escapes, i.e. ``\x08``, ``\x0c``
and ``\x0b``, respectively, just as any other ASCII character.
The string in the following example has a length of ten bytes. The string in the following example has a length of ten bytes.
It starts with a newline byte, followed by a double quote, a single It starts with a newline byte, followed by a double quote, a single
quote a backslash character and then (without separator) the quote a backslash character and then (without separator) the