 <span class="comment">%</span>
0018 <span class="comment">%  BTKAPPENDEVENT(H, LABEL, TIME, CONTEXT, SUBJECT, DESCRIPTION, ID)  modifies also</span>
0019 <span class="comment">%  the id of the event.  Even if there is no rule for the id value, these 3 next values</span>
0020 <span class="comment">%  are used in Vicon Workstation and Nexus to distinguish events' type.  The value 0 is for</span>
0021 <span class="comment">%  general event. Value 1 corresponds to the foot strike event and value 2 for the foot