Re: [NTG-context] Commands with arguments before in ConTeXt

Sorry, that was a bit too much oversimplification:

On 29 Jun 2020, at 12:36, Taco Hoekwater wrote:

In math mode, there *is* an expression state maintained, and that is why \over and \atop work.

Actually (still oversimplifying), the found commands are saved in a temporary list, that is then reprocessed once math mode has ended. And at that stage, an expression tree is built up. Best wishes, Taco