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Document the null-char/null-byte escape in the reference #31883

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4 changes: 4 additions & 0 deletions src/doc/reference.md
Original file line number Diff line number Diff line change
Expand Up @@ -236,6 +236,8 @@ following forms:
* A _whitespace escape_ is one of the characters `U+006E` (`n`), `U+0072`
(`r`), or `U+0074` (`t`), denoting the Unicode values `U+000A` (LF),
`U+000D` (CR) or `U+0009` (HT) respectively.
* The _null escape_ is the character `U+0030` (`0`) and denotes the Unicode
value `U+0000` (NUL).
* The _backslash escape_ is the character `U+005C` (`\`) which must be
escaped in order to denote *itself*.

Expand Down Expand Up @@ -297,6 +299,8 @@ following forms:
* A _whitespace escape_ is one of the characters `U+006E` (`n`), `U+0072`
(`r`), or `U+0074` (`t`), denoting the bytes values `0x0A` (ASCII LF),
`0x0D` (ASCII CR) or `0x09` (ASCII HT) respectively.
* The _null escape_ is the character `U+0030` (`0`) and denotes the byte
value `0x00` (ASCII NUL).
* The _backslash escape_ is the character `U+005C` (`\`) which must be
escaped in order to denote its ASCII encoding `0x5C`.

Expand Down