Re: Section 2 (PR#113)

Thanks for these, Aaron.
The spec is changed, but I did not diff-mark them.

Best regards,
John Boyer

> 
> 2) Section 2 mentions 'HTML forms' and 'HTML Forms'.  The capitalization
> probably needs to be consistent throughout the document.
> 3) Section 2.1, "It is clear that we are collecting a value tht represents
> whether cash or credit card is being used..."  Probably need to say
> '...cash or a credit card...' just to be more grammatically correct.
> 4) Section 2.3, "...because the evaluation context nodes for computed
> expressions are determined by the bind ref binding expression..."  ref
> should be nodeset here, since @ref isn't valid on a xf:bind.
> 
>