[texhax] Black box in math mode with LuaLaTeX + koma script

[Herbert Voss]

Am 31.05.2013 20:57, schrieb William F Hammond:
> Stefan Löffler <stefan.loeffler at tuwien.ac.at> writes:
>
>>   . . .  When typesetting the following minimal example,
>>
>> \documentclass{scrreprt}
>> \pagestyle{empty}
>> \begin{document}
>>
>> \[
>> \sqrt{\sum_i \Bigg(}
>> \]
>> \end{document}
>>
>> with LuaLaTeX, the square root symbol is typeset above the rest of the math, with a
>> large black box inside.  . . .
>
> This code runs fine for me as it is using lualatex (the TeXLive 2010 version,
> two years older than your version).  Are there any complaints about fonts in
> your log?  (I'm seeing 3 size substitutions with cmex10.)

also no problem with TL2012 and

This is LuaTeX, Version beta-0.74.0-2012122510 (rev 4541) 
(format=lualatex 2013.5.29) 31 MAY 2013 21:25

Herbert