Copyright 2025-- Soumendra Ganguly This work may be distributed and/or modified under the conditions of the LaTeX Project Public License, either version 1.3 of this license or (at your option) any later version. The latest version of this license is in https://www.latex-project.org/lppl.txt and version 1.3c or later is part of all distributions of LaTeX version 2008 or later. This work has the LPPL maintenance status `author-maintained'. The Current Maintainer of this work is Soumendra Ganguly. This work consists of the files fretplot.sty, fretplot.lua, doc_fretplot.tex, doc_fretplot.pdf, README.md, and LICENSE.