420420-1.xhtml (318B)
1 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1 plus MathML 2.0//EN" "http://www.w3.org/Math/DTD/mathml2/xhtml-math11-f.dtd"> 2 3 <html xmlns="http://www.w3.org/1999/xhtml" xmlns:m="http://www.w3.org/1998/Math/MathML"> 4 <body> 5 <m:math><span><m:mfenced><m:mo>⁡</m:mo></m:mfenced></span></m:math> 6 </body> 7 </html>