Allow fragment-only TitleValues

[lhc/web/wiklou.git] / includes / title / TitleValue.php

diff --git a/includes/title/TitleValue.php b/includes/title/TitleValue.php
index 698bc4f..722e5ef 100644 (file)
--- a/includes/title/TitleValue.php
+++ b/includes/title/TitleValue.php
@@ -103,7 +103,8 @@ class TitleValue implements LinkTarget {
                // Sanity check, no full validation or normalization applied here!
                Assert::parameter( !preg_match( '/^_|[ \r\n\t]|_$/', $dbkey ), '$dbkey',
                        "invalid DB key '$dbkey'" );
-               Assert::parameter( $dbkey !== '', '$dbkey', 'should not be empty' );
+               Assert::parameter( $dbkey !== '' || ( $fragment !== '' && $namespace === NS_MAIN ),
+                       '$dbkey', 'should not be empty unless namespace is main and fragment is non-empty' );
 
                $this->namespace = $namespace;
                $this->dbkey = $dbkey;