Refs #8569. [SVN r84460]
Regenerate docs. Fixes #7644. [SVN r81620]
[SVN r77602]
Fixes #6154. [SVN r76139]
Update icu support code to use the new checking-constructors. Update tests to check the full Unicode character range (as of Unicode V6). Add minimal docs describing the iterators. [SVN r73271]