anchor.diff:  # RUN apt-get install -y texlive-full
   
   # editors
  -RUN apt-get install -y vim vim-addon-manager vim-vimoutliner vim-doc 
  +RUN apt-get install -y vim vim-addon-manager vim-vimoutliner vim-doc
   RUN apt-get install -y emacs ctags indent
   
   # X11
  
positive.code:     libboost-all-dev libzmq-dev libwww-curl-perl libbz2-dev dpkg-dev \
      ruby1.9.1-dev dialog python-gtk2 libpango1.0 libpango1.0-dev \
      libmysqlclient-dev
  
  # Deployment
  # Can't include new npm since it makes "npm install -g npm" fail:
  
negative.code: 
  RUN chown root:root /usr/bin/sudo && chmod 4755 /usr/bin/sudo
  
  # 32-bit support
  RUN dpkg --add-architecture i386 && \
      apt-get update && \
  