<!DOCTYPE html> <html class="reftest-wait"> <head> <title>subscript</title> <meta charset="utf-8"/> <script type="text/javascript"> function verifyItalicCorrections() { var epsilon = 2; for (var i = 0; i < 8; i += 2) { var sub = document.getElementById("s" + i); var sup = document.getElementById("s" + (i+1)); var italicCorrection = sup.getBoundingClientRect().left - sub.getBoundingClientRect().left; if (italicCorrection < epsilon) { return false; } } return true; } function doTest() { if (verifyItalicCorrections()) { document.body.style.background = "#5f5"; } document.documentElement.removeAttribute("class"); } window.addEventListener("MozReftestInvalidate", doTest, false); </script> </head> <body style="background: #f00; font-size: 50px;"> <div> <math> <msubsup> <mi mathbackground="#5f5">f</mi> <mspace id="s0" width="50px" height="50px" mathbackground="blue"/> <mspace id="s1" width="50px" height="50px" mathbackground="blue"/> </msubsup> </math> </div> <br/> <div> <math> <mmultiscripts> <mi mathbackground="#5f5">f</mi> <mspace id="s2" width="50px" height="50px" mathbackground="blue"/> <mspace id="s3" width="50px" height="50px" mathbackground="blue"/> <mspace id="s4" width="50px" height="50px" mathbackground="blue"/> <mspace id="s5" width="50px" height="50px" mathbackground="blue"/> <mspace id="s6" width="50px" height="50px" mathbackground="blue"/> <mspace id="s7" width="50px" height="50px" mathbackground="blue"/> </mmultiscripts> </math> </div> </body> </html>