2 - extract.c should be able to extract half of a word-diff
3 - extract.c should work on word-merges
4 - review all test output to make sure it looks right
6 - can find_best be optimised more?
7 - --verbose flag ?? what should it do?
8 - review commented code and discard some of it
10 - possibly encourage "###...####" onto line by itself in diff output
11 - possibly remember match information while reading patch/merge
13 - is there anything useful to be done with linenumber information?
14 - document diff algorithm
15 - document best-match algorithm
16 - document merge algorithm
18 - editmail? reviewmail
19 - review wiggle failures
21 - Application of patch-03-MdRaid5Works caused some odd matches
24 report lines at which each patch was applied.??
25 - add examples to man page
29 3 windows: before, patch, after