follow-up r59544. more comments added.

diff --git a/includes/Wiki.php b/includes/Wiki.php
index c2dfb5f..e3924a1 100644 (file)
--- a/includes/Wiki.php
+++ b/includes/Wiki.php
@@ -225,6 +225,8 @@ class MediaWiki {
                // Redirect loops, no title in URL, $wgUsePathInfo URLs
                } else if( $action == 'view' && !$request->wasPosted() &&
                        ( ( !isset($this->GET['title']) || $title->getPrefixedDBKey() != $this->GET['title'] ) ||
+                         // No valid variant in URL (if the main-language has multi-variants), to ensure
+                         // the Accept-Language would only be added to XVO when a 301 redirection happened
                          ( !isset($this->GET['variant']) && $perferred != $wgContLang->getCode() &&
                            $wgContLang->hasVariants() && !$wgUser->isLoggedIn() ) ) &&
                        !count( array_diff( array_keys( $this->GET ), array( 'action', 'title' ) ) ) )