Commentary

For those who may be interested in understanding more about the content and reasoning behind the 'simpler rules', below is the link to a commentary:
 

https://docs.google.com/file/d/0B25yAmL1yRAQWkFUck5MVlIxUE0/edit?usp=sharing

And for those who are really, really keen the following links to a composite file through which the actual differences between the new and current codes can be traced:

https://docs.google.com/file/d/0B25yAmL1yRAQUV9oNTI4Yi1PekE/edit?usp=sharing