Duplicate Lines Up

• Duplicates the line, where the caret is, up.

• Duplicates all the lines that has a selection.

  Example

  Symbol	Meaning
  |	Caret
  [ ]	Selection

  before:

  this [is a
  multiline
  te]|xt.
  

  after:

  this [is a
  multiline
  te]|xt.
  this is a
  multiline
  text.
  

Info

This is similar to what vscode does!