[racket-dev] Pre-Release Checklist for v5.1

> * Jon Rafkind <rafkind at cs.utah.edu>
>   Release tests for (one of the) linux releases:
>   - Test that the `racket' and `racket-textual' source releases
>     compile fine
>   - Test that the binary installers for both work, try each one in
>     both normal and unix-style installation modes. (just ubuntu)
>   [Note: get the release candidates from the URL in this email. Use
>    the 'static table' link to see a list of all tar files available]
>

Using mz-5.0.99.900-src-unix.tgz, configure error'd out
  config.status: error: cannot find input file: plot/Makefile.in