anchor.diff:  #RUN pip install pypdf2  
   
   # Install wkhtmltopdf
  -ENV WKHTMLTOX https://github.com/wkhtmltopdf/wkhtmltopdf/releases/download/0.12.4/wkhtmltox-0.12.4_linux-generic-amd64.tar.xz
  -RUN wget -O wkhtmltox.tar.xz ${WKHTMLTOX} && \
  -    tar -xf wkhtmltox.tar.xz
  -ENV PATH ${PATH}:/wkhtmltox/bin
  +# ENV WKHTMLTOX https://github.com/wkhtmltopdf/wkhtmltopdf/releases/download/0.12.4/wkhtmltox-0.12.4_linux-generic-amd64.tar.xz
  +# RUN wget -O wkhtmltox.tar.xz ${WKHTMLTOX} && \
  +#     tar -xf wkhtmltox.tar.xz
  +# ENV PATH ${PATH}:/wkhtmltox/bin
   
   # Entrypoint
   RUN mkdir /pandoc
   WORKDIR /pandoc
   ENTRYPOINT ["pandoc"]
  -
  -
  
positive.code:     apt-get -qq -y install python3 python3-dev python3-pip python3-virtualenv && \		
      # required for PDF meta analysis
      apt-get -qq -y install poppler-utils && \		
      # clean up
      apt-get clean && \
      rm -rf /var/lib/apt/lists/*
  
negative.code: #
  RUN easy_install pip && \
      pip install pandocfilters \
  		        pandoc-latex-admonition \
                  pandoc-latex-environment \
                  pandoc-latex-barcode \
                  pandoc-latex-levelup \
                  pandoc-dalibo-guidelines \ 
                  icon_font_to_png \
                  pypdf2  
   
  # https://github.com/chdemko/pandoc-latex-tip/issues/1
  RUN pip install git+https://github.com/chdemko/pandoc-latex-tip.git --egg
  