public function getFragmentForURL() {
if ( !$this->hasFragment() ) {
return '';
- } elseif ( $this->isExternal()
- && !self::getInterwikiLookup()->fetch( $this->mInterwiki )->isLocal()
- ) {
- return '#' . Sanitizer::escapeIdForExternalInterwiki( $this->mFragment );
+ } elseif ( $this->isExternal() ) {
+ // Note: If the interwiki is unknown, it's treated as a namespace on the local wiki,
+ // so we treat it like a local interwiki.
+ $interwiki = self::getInterwikiLookup()->fetch( $this->mInterwiki );
+ if ( $interwiki && !$interwiki->isLocal() ) {
+ return '#' . Sanitizer::escapeIdForExternalInterwiki( $this->mFragment );
+ }
}
+
return '#' . Sanitizer::escapeIdForLink( $this->mFragment );
}