From 1627c1ee01d4f12fdfd99be8bf534e25494e950d Mon Sep 17 00:00:00 2001 From: "Miss Islington (bot)" <31488909+miss-islington@users.noreply.github.com> Date: Tue, 19 Mar 2024 17:00:40 +0100 Subject: [PATCH] [3.12] gh-107607: Update comment about utf-8 BOM being ignored (GH-107858) (#117016) (cherry picked from commit 7f64ae30ddc22577ce4101ce0b6601b3548b036f) Co-authored-by: Terry Jan Reedy tjreedy@udel.edu --- Doc/reference/lexical_analysis.rst | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/Doc/reference/lexical_analysis.rst b/Doc/reference/lexical_analysis.rst index 256f6ba13b3..103d6ef05e4 100644 --- a/Doc/reference/lexical_analysis.rst +++ b/Doc/reference/lexical_analysis.rst @@ -96,10 +96,9 @@ which is recognized also by GNU Emacs, and :: which is recognized by Bram Moolenaar's VIM. -If no encoding declaration is found, the default encoding is UTF-8. In -addition, if the first bytes of the file are the UTF-8 byte-order mark -(``b'\xef\xbb\xbf'``), the declared file encoding is UTF-8 (this is supported, -among others, by Microsoft's :program:`notepad`). +If no encoding declaration is found, the default encoding is UTF-8. If the +implicit or explicit encoding of a file is UTF-8, an initial UTF-8 byte-order +mark (b'\xef\xbb\xbf') is ignored rather than being a syntax error. If an encoding is declared, the encoding name must be recognized by Python (see :ref:`standard-encodings`). The