From 04e5d725f48fddf91c92b23b393bb86f2fa97faa Mon Sep 17 00:00:00 2001
From: Jordi Boggiano <j.boggiano@seld.be>
Date: Tue, 27 Oct 2020 20:53:54 +0100
Subject: [PATCH] Add docs

---
 src/Composer/Package/Locker.php | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/Composer/Package/Locker.php b/src/Composer/Package/Locker.php
index 93ee6de97..f4e82691d 100644
--- a/src/Composer/Package/Locker.php
+++ b/src/Composer/Package/Locker.php
@@ -258,6 +258,8 @@ class Locker
             return array();
         }
 
+        // forward compatibility with Composer 2 lock files created
+        // before https://github.com/composer/composer/issues/9337 was fixed
         foreach ($lockData['aliases'] as $index => $alias) {
             if (in_array($alias['version'], array('dev-master', 'dev-default', 'dev-trunk'), true)) {
                 $lockData['aliases'][$index]['version'] = '9999999-dev';