anchor.diff:      python39Packages.mypy # check types in code
       python39Packages.isort # fix sort order
       python39Packages.pygments # generic syntax highliht
  -    python38Packages.python-language-server  # python lsp
  +    python38Packages.python-language-server # python lsp
   
       # programming-rust
       cargo-edit # dep management
  
positive.code:     # graphviz # draw graphs with code
      # pgcli # fancier postgres cli
      trivy # docker vulnerability scanner
  
      # tryout
      # gforth # gnu forth interpreter
  
negative.code:     git-absorb # automatic git commit --fixup
      wget # get stuff from internet
      tmux # terminal multiplexer
      aspell # spell checker
      # mpvc  # mpv remote control  # not available on macos
      msmtp # smtp client
      # android-tools # adb and friends  # not available for macos
  