It looks like when setting variables using options_description.add_options(), 
bool variables are set to false if no option is actually given, but variables 
of other types, such as int, are not initialized if not given on the command 
line?  This is my understanding based on the program behaviour - is this 
correct?
_______________________________________________
Unsubscribe & other changes: http://lists.boost.org/mailman/listinfo.cgi/boost