Am 11.06.2013 um 14:22 schrieb Jan Pohanka <xhpohanka@gmail.com>:

> Hi,
> 
> just another newbie question
> 
> \setuphead[section]
>     [command=\MyCommand]
> 
> \define[2]\MyCommand%
>     {\convertnumber{I}{#1} --- #2}
> 
> \convertnumber does not work on command parameter. What am I doing wrong? I know that I can use conversion key in setuphead, but I need slightly more complicated command.

Use \setuphead[section][conversion=I], you can’t use \convertnumber
because the first argument is the formatted (styles and colors are applied)
content of the section number.

Wolfgang