From 0bc03759fcc8c1a6ca19e5fb1ec00eadd61465b9 Mon Sep 17 00:00:00 2001
From: Prateek Nayak <45075669+Kriyszig@users.noreply.github.com>
Date: Fri, 20 Sep 2019 19:25:26 +0530
Subject: [PATCH] bpo-37353: Updated parser note about source code
 compatibility(GH-14277) (cherry picked from commit
 062cfe3b11c61d03ccc2915e360f9b0d80e23642)

Co-authored-by: Prateek Nayak <45075669+Kriyszig@users.noreply.github.com>
---
 Doc/library/parser.rst | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Doc/library/parser.rst b/Doc/library/parser.rst
index a302681eca0568..1d2da300709c87 100644
--- a/Doc/library/parser.rst
+++ b/Doc/library/parser.rst
@@ -51,7 +51,8 @@ Python version to another as source text will always allow correct parse trees
 to be created in the target version, with the only restriction being that
 migrating to an older version of the interpreter will not support more recent
 language constructs.  The parse trees are not typically compatible from one
-version to another, whereas source code has always been forward-compatible.
+version to another, though source code has usually been forward-compatible within
+a major release series.
 
 Each element of the sequences returned by :func:`st2list` or :func:`st2tuple`
 has a simple form.  Sequences representing non-terminal elements in the grammar