From 4c80b862a9eecc2070b05161f7d1ba60a1d4b748 Mon Sep 17 00:00:00 2001
From: Ioannis Dressos <96877388+idressos@users.noreply.github.com>
Date: Tue, 29 Oct 2024 17:20:34 +0200
Subject: [PATCH] Add comment for changed line

---
 plugins/virtuser_file/virtuser_file.php | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/plugins/virtuser_file/virtuser_file.php b/plugins/virtuser_file/virtuser_file.php
index 7dbb2a013..5f483cddb 100644
--- a/plugins/virtuser_file/virtuser_file.php
+++ b/plugins/virtuser_file/virtuser_file.php
@@ -68,6 +68,8 @@ class virtuser_file extends rcube_plugin
             $arr = preg_split('/\s+/', trim($r[$i]));
 
             if (count($arr) > 0) {
+                // Replace '\@' with '@' to handle cases where internal usernames include an '@' character.
+                // Sometimes usernames with '@' are saved with a leading '\' to avoid conflicts.
                 $p['user'] = trim(str_replace('\@', '@', $arr[count($arr) - 1]));
                 break;
             }