RE: 202 in current implementation

A data point:

> As you mentionned that you know implementations using 202, do 
> you know 
> what is their behaviour when there is an unmet mustUnderstand?
> (sending back the mU fault instead of a 202, or is it 
> completely hidden)

Apache Axis (and I believe Axis2 as well) sends a MU fault instead of
the 202.

--Glen