This software or documents includes material derived from WAI-ARIA practice. Copyright ©2019 W3C® (MIT, INRIA, Keio, ERCIM, Beihang).
All Rights Reserved. This work is distributed under the W3C® Software License 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.
Copyright © 2020, D. Nechepurenko. Published under MIT license.