5.19 amsfonts

<..configure html32 amsfonts..>
 \:CheckOption{fonts} \if:Option
   \Configure{mathbb}{\Protect\HCode{<b>}}
                     {\Protect\HCode{</b>}}
   \Configure{mathfrak}{\Protect\HCode{<span class="mathfrak">}}
                     {\Protect\HCode{</span>}}
 \fi
-_-_-