On Thu, 14 Mar 2013, Marco Patzer wrote:

> On 2013–03–14 Philipp Gesang wrote:
>
>> I’ve been using \start...\stop as a synonym for grouping for ages
>> but never realized it could take an argument.
>
> You're not alone :)

What! You guys don't the most comprehensive documentation of ConTeXt! The 
source code :)

Aditya