libs/stream_message/src/msg_comms.cxx
//The following procedure is used (after activate_message_group) to 
//remove the top most message group id from the stack.
The following procedure is used (after activate_message_group) to
remove the top most message group id from the stack.
The following procedure is used ( after activate_message_group ) to remove the top most message group id from the stack .
void deactivate_message_group(void)
{
  amgm.pop();
  return;
}
void deactivate_message_group ( void ) { amgm . pop ( ) ; return ; }
The following procedure is used (after activate_message_group) to
remove the top most message group id from the stack.
The following procedure is used ( after activate_message_group ) to remove the top most message group id from the stack .