<!-- Any copyright is dedicated to the Public Domain. http://creativecommons.org/publicdomain/zero/1.0/ --> <svg xmlns="http://www.w3.org/2000/svg" version="1.1" xmlns:xlink="http://www.w3.org/1999/xlink"> <title>Test effect on startOffset in em units</title> <defs> <path id="p" d="M100,100 h200" stroke="red"/> </defs> <rect width="100%" height="100%" fill="lime"/> <text font-size="50" fill="red"> <textPath xlink:href="#p" startOffset="2em">abc</textPath> </text> <text x="100" y="100" dx="2em" font-size="50" stroke-width="4" fill="lime" stroke="lime">abc</text> </svg>