As A Colloquialism
Differing slightly from the original meaning, in colloquial speech, "limbo" is any status where a person or project is held up, and nothing can be done until another action happens. For example, a construction project might be described as "in limbo" if political considerations delay its permit.
A "legal limbo" may occur when varying laws or court rulings leave a person without recourse. For example, a person may earn "too much" to receive public assistance from the government, but not enough to actually pay for basic necessities. Likewise, various parties in a dispute may be pointing blame at each other, rather than fixing the problem, and leaving the person or group suffering from the problem to continue to suffer in limbo.
The Amstrad PCW's bundled word processing software, LocoScript, used the term "in limbo" to refer to files which had been deleted but which could still be restored, a concept similar to that later implemented by the Trash in the Apple Macintosh and the Recycle Bin in Microsoft Windows 95. On the PCW, the files "in limbo" were marked as belonging to CP/M Plus users 8 to 15. These files were deleted automatically when the space they occupied was needed. It could therefore be dangerous to access a disk containing files created with CP/M Plus using LocoScript, since LocoScript could decide to delete anything in users 8 to 15.
In the licensing of houses in multiple occupation (HMOs), properties registered under a previous scheme, but would not be licensable under mandatory arrangements, would go into a state of limbo when they expire, until the status of any potential additional licensing scheme is fully resolved.
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