 Simplify the documentation of jupytext --to (and include 'md:myst')
 Simplify the documentation of jupytext --to (and include 'md:myst')

mwouts/jupytext,mwouts/jupytext,mwouts/jupytext,mwouts/jupytext,mwouts/jupytext,mwouts/jupytext,mwouts/jupytext,mwouts/jupytext,mwouts/jupytext,mwouts/jupytext