anchor.diff:      # since we just use it to generate a css file.
       nodejs \
       npm \
  -    tar ;\
  +    tar
       # CSS Janus is the thing actually used to generate the rtl css.
  -    npm install cssjanus ;\
  +    npm install cssjanus
       # Pandoc is used for rendering wikicode resource descriptions
       # into html for display. We do need this on the live image.
  -    wget https://github.com/jgm/pandoc/releases/download/2.7.1/pandoc-2.7.1-linux.tar.gz -P /tmp ;\
  +    wget https://github.com/jgm/pandoc/releases/download/2.7.1/pandoc-2.7.1-linux.tar.gz -P /tmp
       tar -xf /tmp/pandoc-2.7.1-linux.tar.gz --directory /opt
   
   # Utility scripts that run in the virtual environment.
  
positive.code:     libxslt-dev \
      mariadb-dev \
      # Python, duh.
      python py-pip ;\
      pip install virtualenv
  
  FROM twlight_base as twlight_build
  
negative.code:     libxml2-dev \
      musl-dev \
      python-dev \
      zlib-dev
      virtualenv /venv
      source /venv/bin/activate
      pip install -r /requirements/wmf.txt
  
  FROM twlight_base
  