calculating max vscroll

[Richard Gaskin]

Chipp Walters wrote:
> Yep, you're correct, they are, but if you're looking to scroll the text
> to the bottom, then you would want to subtract the margin from the
> formattedHeight as it's not necessary to include the bottom white space
> to view the entire text.

I believe the overage is safe in his case, since the scroll will stop at 
the bottom of the entered text.

But for scrolling to any point other than the bottom you'll definitely 
want to include that consideration for the margin.

-- 
  Richard Gaskin
  Fourth World Media Corporation
  __________________________________________________
  Rev tools and more: http://www.fourthworld.com/rev