Hello, Where is the info for the input command e.g. \input color begins with (usr/local/texlive/2021/tex-dist/tex/plain/graphics-pln/color.tex Many thanks in advance. Walt Burkhard -------------- next part -------------- An HTML attachment was scrubbed... URL: <https://tug.org/pipermail/texhax/attachments/20211217/1ad2eb3d/attachment.html>