[NTG-context] subsection numbering

Dear all, I got a problem with the numbering of subsections : they are numbered using the \currentheadnumber of the heading containing the \subsection attached an example and the output. in the log, I get : structure : chapter @ level 2 : 0.1 -> Chapter structure : section @ level 3 : 0.1.1 -> Section structure : subsection @ level 4 : 0.1.1.1 -> Subsection structure : subsection @ level 4 : 0.1.1.2 -> Subsection [2.2] structure : chapter @ level 2 : 0.2 -> Chapter structure : subsection @ level 4 : 0.2.0.1 -> Subection structure : subsection @ level 4 : 0.2.0.2 -> Subsection [3.3] best, Amaël