curiouslearn wrote:
> Hello All,
> 
> While the \fraktur{C} command works for me in the Math mode as part of a regular
> expression, it does not work in the subscript. The command I am trying is 
> $ x  \sim_{\fraktur{C}}  y $. I get a blank in place of the fraktur C. However,
> if I try just $ x \fraktur{C} y $, it works. Does anyone have a fix?
> 
> I am using 
> This is LuaTeX, Version beta-0.40.5-2009061123 (Web2C 2009)
> ConTeXt  ver: 2009.06.14 21:01 MKIV  fmt: 2009.6.25  int: english/english

There is a bug in the mathematics.make_font commands in math-vfu.lua:
They should not be using: euf[mb][689].tfm as those result in a pk
bitmap font inclusion attempt. Updated version attached.

Best wishes,
Taco