Diff-mode is a major-mode for viewing/editing context diffs in Emacs. Supports unified and context diffs as well as (to a lesser extent) normal diffs. The diff-mode provides features such as: - Unified diff <-> Context diff conversion. - Reverse the direction of the diffs. - Jump to the corresponding source line. - Move to the next/previous hunk/file header. - Restrict the view to the current hunk/file. - Tetsurou okazaki@FreeBSD.org