anchor.diff:  #RUN echo "oracle-java7-installer shared/accepted-oracle-license-v1-1 seen true" | debconf-set-selections
   #RUN apt-get install -y oracle-java7-installer
   
  -RUN echo oracle-java8-installer shared/accepted-oracle-license-v1-1 select true | debconf-set-selections && apt-get install -y oracle-java8-installer
  +#RUN echo oracle-java8-installer shared/accepted-oracle-license-v1-1 select true | debconf-set-selections && apt-get install -y oracle-java8-installer
   
  -RUN echo oracle-java9-installer shared/accepted-oracle-license-v1-1 select true | debconf-set-selections && apt-get install -y oracle-java9-installer
  +#RUN echo oracle-java9-installer shared/accepted-oracle-license-v1-1 select true | debconf-set-selections && apt-get install -y oracle-java9-installer
  +
  +#RUN add-apt-repository -y ppa:linuxuprising/java
  +#RUN apt update
  +#RUN echo oracle-java11-installer shared/accepted-oracle-license-v1-2 select true | /usr/bin/debconf-set-selections
  +#RUN apt install -y oracle-java11-installer
   
   ## Scala ##
  -# RUN apt-get install -y scala
  +#RUN apt-get install -y scala
  +
  +RUN  cd /code;\
  +     wget -nv http://downloads.lightbend.com/scala/2.12.8/scala-2.12.8.tgz;\
  +     tar -xzvf scala-2.12.8.tgz
   
   RUN  cd /code;\
        wget -nv http://downloads.lightbend.com/scala/2.11.8/scala-2.11.8.tgz;\
  
positive.code: #    ./configure;\
  #    make install
  #### Install from binary ####
  RUN cd /usr/local/bin;\
      wget -nv http://lampwww.epfl.ch/~amin/dkr/chez/scheme;\
      chmod 755 scheme;\
      cd /usr/local/lib;\
      mkdir -p csv9.4/a6le;\
      cd csv9.4/a6le;\
      wget -nv http://lampwww.epfl.ch/~amin/dkr/chez/petite.boot;\
      wget -nv http://lampwww.epfl.ch/~amin/dkr/chez/scheme.boot
  
  ### ML ###
  RUN apt-get install -y mlton-compiler
  
negative.code: # namin/io.livecode.ch
  
  FROM ubuntu:18.04
  MAINTAINER Nada Amin, namin@alum.mit.edu
  
  RUN \
  