Revision control
++ <svg viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg">
++ <rect x="50" y="50" width="100" height="100" fill="blue">
++ <animateTransform attributeName="transform" type="skewY" from="0" to="15" dur="1s" repeatCount="1"/>
++ </rect>
++ </svg>