================================================================================
space in intercycle annotation
================================================================================

[scheduling]
    [[graph]]
        P1 = my_task[ -P1   ] => my_task

--------------------------------------------------------------------------------

(workflow_configuration
  (top_section
    (section_name
      (nametag))
    (graph_section
      (section_name)
      (graph_setting
        (recurrence)
        (assignment_operator)
        (unquoted_graph_string
          (graph_string_content
            (graph_task
              (task_name
                (nametag))
              (intercycle_annotation
                (recurrence)))
            (graph_arrow)
            (graph_task
              (task_name
              (nametag)))))))))