[This notice should be placed within redistributed or derivative software code or text when appropriate. This particular formulation became active on January 1, 2023, superseding the 2015 version.]

$name_of_software: $distribution_URI

Copyright © [$year-of-software] World Wide Web Consortium. All Rights Reserved. This work is distributed under the W3C® Software and Document License [1] in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

[1] https://www.w3.org/Consortium/Legal/copyright-software