<!DOCTYPE html> <html class="reftest-wait"> <body> <p> <math> <mo id="mo1">%</mo> </math> </p> <p> <math> <mo id="mo2" lspace="3em">%</mo> </math> </p> <p> <math> <mo id="mo3">%</mo> <mo>%</mo> </math> </p> <p> <math> <mo id="mo4" lspace="3em">%</mo> <mo >%</mo> </math> </p> <p> <math id="math1"> <mo>%</mo> </math> </p> <p> <math id="math2"> <mo>%</mo> <mo id="mo5">%</mo> </math> </p> <script type="text/javascript"> function doTest() { // Add and remove lspace document.getElementById("mo1").setAttribute("lspace", "3em"); document.getElementById("mo2").removeAttribute("lspace"); // and again but with an inferred mrow document.getElementById("mo3").setAttribute("lspace", "3em"); document.getElementById("mo4").removeAttribute("lspace"); // Change to/from inferred mrow var mo1 = document.createElementNS("http://www.w3.org/1998/Math/MathML", "mo"); mo1.innerHTML = "%"; document.getElementById("math1").appendChild(mo1); document.getElementById("math2").removeChild(document.getElementById("mo5")); document.documentElement.removeAttribute("class"); } window.addEventListener("MozReftestInvalidate", doTest, false); </script> </body> </html>