Text file editor with built in file browser? [on hold]

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http://superuser.com – Does anyone know of a simple text file editor where I could set a folder that contains my text files that I use to keep notes of things and it will display them in a pane on the side and allow me to edit each one in a pane next to it? It isn't for coding or anything and I don't need anything too fancy. (HowTos)