2011/1/17 Bryan Tong Minh bryan.tongminh@gmail.com
Difficult, but doable. Jan-Paul's sentence-level editing tool is able to make the distinction. It would perhaps be possible to use that as a framework for sentence-level diffs.
Difficult, but diff between versions of a page does it. Looking at diff between pages, I simply thought firmly that only diff paragraphs were stored, so that the page was built as updated diff segments. I had no idea how this could be done, but all was "magic"!
Alex