msg += " This is a list of #-separated stacks defined by a comma-separated pair <application-id,xml dictionary pathfile>\n";
msg += " If only one stack is provided, application-id could be omitted and then, all the messages will be decoded with the\n";
msg += " dictionary regardless the value of the application-id (the stack will be registered with id=0).\n";
msg += " This is a list of #-separated stacks defined by a comma-separated pair <application-id,xml dictionary pathfile>\n";
msg += " If only one stack is provided, application-id could be omitted and then, all the messages will be decoded with the\n";
msg += " dictionary regardless the value of the application-id (the stack will be registered with id=0).\n";