Vim is a highly configurable text editor built to enable efficient text editing. It is an improved version of the vi editor distributed with most UNIX systems.Vim is often called a "programmer's editor," and so useful for programming that many consider it an entire IDE. It's not just for programmers, though. Vim is perfect for all kinds of text editing, from composing email to editing configuration files.
minor feature: Patch 8.2.2738: extending a list with itself can give wrong resultProblem: Extending a list with itself can give wrong result.Solution: Remember the item before where the insertion happens and skip to.After the already inserted items.