<html xmlns="http://www.w3.org/1999/xhtml"> <body> <math xmlns="http://www.w3.org/1998/Math/MathML"> <!-- infinity has no corresponding mathematical italic alphanumeric character and so should not be rendered with italic style. bug 413115. --> <mi mathvariant="normal">∞</mi> <!-- PLANCK CONSTANT already has italic style, and shouldn't have additional slant applied --> <mi mathvariant="normal">ℎ</mi> <!-- mathvariant on single-char mi (the mathvariant property should override the default italicness)--> <mi>𝔅</mi> </math> </body> </html>