==================
Invalid line ignored
==================
User (0.9, 0.5)
This is not a valid entity
Database (0.3, 0.2)

---

(source_file
    (entity
      (component
        label: (component_label)
        position: (position
          x: (real_number)
          y: (real_number))))
  (ERROR
    (component_label))
    (entity
      (component
        label: (component_label)
        position: (position
          x: (real_number)
          y: (real_number)))))

==================
Multiple invalid lines
==================
test line
another test
User (0.9, 0.5)
random text here

---

(source_file
  (ERROR
    (component_label))
  (ERROR
    (component_label))
    (entity
      (component
        label: (component_label)
        position: (position
          x: (real_number)
          y: (real_number))))
  (ERROR
    (component_label)))

==================
Mixed valid and invalid
==================
OK so this is text
User (0.9, 0.5)
More random text
User -> Database
[Evolution] User +10
Some more invalid stuff

---

(source_file
  (ERROR
    (component_label))
    (entity
      (component
        label: (component_label)
        position: (position
          x: (real_number)
          y: (real_number))))
  (ERROR
    (component_label))
    (entity
      (dependency
        from: (component_label)
        type: (dependency_type)
        to: (component_label)))
    (entity
      (evolution
        component: (component_label)
        sign: (sign)
        value: (real_number)))
  (ERROR
    (component_label)))