Updates

wp-admin/link-parse-opml.php

@@ -74,10 +74,13 @@ $xml_parser = xml_parser_create();
 // Set the functions to handle opening and closing tags
 xml_set_element_handler($xml_parser, "startElement", "endElement");
 
-if (!xml_parse($xml_parser, $opml, true)) {
-	echo(sprintf(__('XML error: %1$s at line %2$s'),
-	xml_error_string(xml_get_error_code($xml_parser)),
-	xml_get_current_line_number($xml_parser)));
+if ( ! xml_parse( $xml_parser, $opml, true ) ) {
+	printf(
+		/* translators: 1: error message, 2: line number */
+		__( 'XML Error: %1$s at line %2$s' ),
+		xml_error_string( xml_get_error_code( $xml_parser ) ),
+		xml_get_current_line_number( $xml_parser )
+	);
 }
 
 // Free up memory used by the XML parser