- ddp Swap position of current line with next line (dd = Delete line, which also yanks it; p = Paste yanked line)
- YP Duplicate current line (Y = Yank entire line; P = Paste line above active line (p for below))
- dat Delete the current tag and its contents (d = Delete; a = Around; t = Tag)
- :w filename.txt Saves the current selection as a new file filename.txt (w = Write)