radicalbar-3.html (1625B)
1 <!DOCTYPE html> 2 <html> 3 <head> 4 <link rel="mismatch" href="about:blank"/> 5 <link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1011020"/> 6 <!-- Default to invisible text --> 7 <style type="text/css" media="screen, print"> 8 .hidden { 9 color: white; 10 } 11 .visible { 12 color: black; 13 } 14 </style> 15 </head> 16 <body> 17 <!-- Nest successive radicals and test that the horizontal bar of one of them is drawn. 18 Because the comparison is for inequality with about:blank, at most one can be visible --> 19 <math> 20 <mrow> 21 <msqrt class="hidden"> 22 <mspace width="1em" height="1em" /> 23 <msqrt class="hidden"> 24 <mspace width="1em" height="1em" /> 25 <msqrt class="hidden"> 26 <mspace width="1em" height="1em" /> 27 <msqrt class="hidden"> 28 <mspace width="1em" height="1em" /> 29 <msqrt class="visible"> 30 <mspace width="1em" height="1em" /> 31 <msqrt class="hidden"> 32 <mspace width="1em" height="1em" /> 33 <msqrt class="hidden"> 34 <mspace width="20em" height="1em" /> 35 </msqrt> 36 </msqrt> 37 </msqrt> 38 </msqrt> 39 </msqrt> 40 </msqrt> 41 </msqrt> 42 </mrow> 43 </math> 44 45 <!-- Block out all but the horizontal bar of the visible radical --> 46 <div style="position: absolute; top: 5px; left: 0px; 47 width: 20em; height: 10em; background: white;"></div> 48 </body> 49 </html>