[jdom-interest] protected ContentList in Document

[Bradley S. Huffman]

Elliotte Rusty Harold writes:

> 1. Make the content field private (My preferred option)
> 2. Make ContentList a public class
> 3. Declare the content field to have type List rather than ContentList

Cann't do #3 cause Element uses some methods ContentList has and List doesn't.
How about #4 make all fields private in all classes in beta 10 (except of
course those static ones like attribute type), and revert back to protected
only after someone shows good reason too.

Brad