Dangling reference | Article about dangling reference by The Free Dictionary
dangling referenceA link or pointer to an instruction, table element, index item, etc. that no longer contains the same content. If the reference is not a currently valid address, or if it is valid but there is no content in that location, it may cause the computer to crash if the software is not programmed carefully.
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References in periodicals archive
A few small oversights in the English edition a missing word here, a dangling reference
there are only remarkable because the publication is otherwise so polished.
For example, when people dial a telephone number and get a "no such number" message (the equivalent of a dangling reference), they do not throw up their hands in despair.
Dangling references fall under the broader topic of referential integrity.