From: partev <petrosyan@gmail.com>
Date: Sun, 15 Oct 2023 16:52:13 +0000 (-0400)
Subject: gh-110886 Doc: add a link to BNF Wikipedia article (#110887)
X-Git-Tag: v3.13.0a2~462
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=42a5d21d465ffcac792685b6127a6e8e39dd6897;p=thirdparty%2FPython%2Fcpython.git

gh-110886 Doc: add a link to BNF Wikipedia article (#110887)

Co-authored-by: Hugo van Kemenade <hugovk@users.noreply.github.com>
---

diff --git a/Doc/reference/introduction.rst b/Doc/reference/introduction.rst
index 81f0a5c5d438..cf186705e6e9 100644
--- a/Doc/reference/introduction.rst
+++ b/Doc/reference/introduction.rst
@@ -90,7 +90,8 @@ Notation
 
 .. index:: BNF, grammar, syntax, notation
 
-The descriptions of lexical analysis and syntax use a modified BNF grammar
+The descriptions of lexical analysis and syntax use a modified
+`Backus–Naur form (BNF) <https://en.wikipedia.org/wiki/Backus%E2%80%93Naur_form>`_ grammar
 notation.  This uses the following style of definition:
 
 .. productionlist:: notation