root:
             creates   file:./
             creates   file:plan.py
             creates   step:runpy ./plan.py

file:./
               state = STATIC
          created by   root:
            supplies   file:example.pdf
            supplies   file:example.png
            supplies   file:plan.py
            supplies   step:runpy ./plan.py
            supplies   step:runsh mutool draw -q -o example.png -r 100 example.pdf

file:plan.py
               state = STATIC
          created by   root:
            consumes   file:./
            supplies   step:runpy ./plan.py

step:runpy ./plan.py
               state = SUCCEEDED
             env_var = REPREP_MUTOOL [amended]
                     = STEPUP_PATH_FILTER [amended]
          created by   root:
            consumes   file:./
            consumes   file:plan.py
             creates   file:example.pdf
             creates   step:runsh mutool draw -q -o example.png -r 100 example.pdf

file:example.pdf
               state = STATIC
          created by   step:runpy ./plan.py
            consumes   file:./
            supplies   step:runsh mutool draw -q -o example.png -r 100 example.pdf

step:runsh mutool draw -q -o example.png -r 100 example.pdf
               state = SUCCEEDED
          created by   step:runpy ./plan.py
            consumes   file:./
            consumes   file:example.pdf
             creates   file:example.png
            supplies   file:example.png

file:example.png
               state = BUILT
          created by   step:runsh mutool draw -q -o example.png -r 100 example.pdf
            consumes   file:./
            consumes   step:runsh mutool draw -q -o example.png -r 100 example.pdf
