The bug was that property keys that look like array indexes are always
enumerated by JS before other keys regardless of creation time. For now,
we will avoid using numbers when compressing projects.
This does negligibly increase the size of project.json.
Appel v1.4 went from 2257234 to 2260628 bytes, a 0.15% increase.
GarboMuffin
750cd7adb1