[Bug 12311] Corman Lisp requires implementations for richedit stubs

http://bugs.winehq.org/show_bug.cgi?id=12311

--- Comment #6 from Alex Villacís Lasso   2008-05-14 17:21:32 ---
Created an attachment (id=13064)
 --> (http://bugs.winehq.org/attachment.cgi?id=13064)
richedit: text that does not need scrollbar should also result in a scrollbar
range of zero

The empty text is just one special case of an apparent rule that text that does
not scroll (nonempty or empty) should also result in a scroll range of zero.
Patch includes tests.