JavaScript addicts

I don’t remember which IDE it was that made me learn to use the shortcuts (may be Turbo Pascal back then), and (almost) since then I am too lazy to learn new shortcuts. Now I always first customize the keyboard shortcuts.
And already for a long time I am missing Ctrl+D/Apple+D for Komodo Edit which I use for editing JavaScript, CSS and HTML. This shortcut is supposed to duplicate either the current line or the entire selection. To make a long story short, here is the screencast video (1:04 min) that shows you how to apply the macro shown below.
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