should greatly improve stability of the wrap code and eliminate
regressions of the most recent versions)
- completely new scrollbar handling (much more reliable) and related
redraw fixes
- Page Down handler (no Page Up yet, fixing wrap/redraw/scrollbar bugs
was of higher priority)
unnecessary repaints)
- added unicode character support to RTF import (like: \u12345 ?)
- small fixes
- fixed whitespace identification bug
- removed drawing of paragraph marks
- improved stub implementations for IRichEditOle