anchor.diff:      bind-key -n M-R run "tmux send-keys -t $(hostname -s | awk -F'-' '{print tolower($NF)}') C-l Up Enter"
   
       bind 0 set status
  +    bind S choose-client
   
       bind-key -r "<" swap-window -t -1
       bind-key -r ">" swap-window -t +1
  
positive.code:   nixpkgs.config.allowUnfree = true;
  
    nixpkgs.config.packageOverrides = super: let self = super.pkgs; in {
      ycmd = super.ycmd.override { gocode = null; godef = null; rustracerd = null; };
    };
  
    # TODO: add module for per-user config, etc, ...
  
negative.code:     { names = [ "ReplaceWithRegister" "vim-indent-object" "vim-sort-motion" ]; }
      { names = [ "ale" "vim-gitgutter" "vim-dispatch" ]; }
      { names = [ "commentary" "vim-eunuch" "repeat" "tabular" ]; }
      { names = [ "fzfWrapper" "fzf-vim" "youcompleteme" ]; }
      { names = [ "gist-vim" "webapi-vim" ]; }
      { names = [ "polyglot" "colors-solarized" ]; }
      { names = [ "python-mode" ]; }
  