> Let me restate the question. When one has only the "new" file and > the ed script that created it from the "old" one, and said script > says "delete lines N through M", how does one recover the lines > that were deleted? (With context or unified diffs, the deleted text > is there.)
I don't think you can "reverse" the ed scripts produced with "diff -e", unlike unified diff files. However, in 9hist, the files are always reconstructed forward, starting from the complete original file. -- David du Colombier