$this->namespaces = null;
$parsed = substr( $query, strlen( $allkeyword ) );
} elseif ( strpos( $query, ':' ) !== false ) {
- $prefix = substr( $query, 0, strpos( $query, ':' ) );
+ $prefix = str_replace( ' ', '_', substr( $query, 0, strpos( $query, ':' ) ) );
$index = $wgContLang->getNsIndex( $prefix );
if ( $index !== false ) {
$this->namespaces = array( $index );