root:
             version = v1
             creates   file:./
             creates   file:plan.py
             creates   step:./plan.py

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

file:./
                path = ./
               state = STATIC
          created by   root:
            supplies   file:demo.html
            supplies   file:demo.md
            supplies   file:plan.py
            supplies   step:./plan.py
            supplies   step:python -m stepup.reprep.convert_markdown demo.md demo.html

step:./plan.py
             workdir = ./
             command = ./plan.py
               state = SUCCEEDED
          created by   root:
            consumes   file:./
            consumes   file:plan.py
             creates   file:demo.md
             creates   step:python -m stepup.reprep.convert_markdown demo.md demo.html

file:demo.md
                path = demo.md
               state = STATIC
          created by   step:./plan.py
            consumes   file:./
            supplies   step:python -m stepup.reprep.convert_markdown demo.md demo.html

step:python -m stepup.reprep.convert_markdown demo.md demo.html
             workdir = ./
             command = python -m stepup.reprep.convert_markdown demo.md demo.html
               state = SUCCEEDED
                pool = markdown
          created by   step:./plan.py
            consumes   file:./
            consumes   file:demo.md
             creates   file:demo.html

file:demo.html
                path = demo.html
               state = BUILT
          created by   step:python -m stepup.reprep.convert_markdown demo.md demo.html
            consumes   file:./
