return { { -- directly open ipynb files as quarto docuements -- and convert back behind the scenes 'GCBallesteros/jupytext.nvim', opts = { custom_language_formatting = { python = { extension = 'qmd', style = 'quarto', force_ft = 'quarto', }, r = { extension = 'qmd', style = 'quarto', force_ft = 'quarto', }, }, }, } }