19 Feb
                
                    2006
                
            
            
                19 Feb
                
                '06
                
            
            
            
        
    
                5:33 p.m.
            
        David Abrahams wrote:
or a class derived therefrom.
If we want to be picky ... ;?) "or a class unambiguously and publicly derived therefrom". Assuming boost::system_error is derived from std::runtime_error, I would suggest that derived exceptions are unambiguously derived from std::runtime_error as well. Of course, this kills the flow of the text, so should be placed into a footnote <g> -- AlisdairM