DEAT Chunk

See more on Chunks in general.

used by transacted updates.

DEAT stands for "Deleted", and is used to overwrite the type byte of a chunk to delete it without erasing the bytes from the file. The origial bytes overwritten are noted in the JRNL chunk.

DEAT chunks are special in that they may have duplicate instance numbers. If you see DEAT chunks in a file, it means a transaction was interrupted and they should be rolled back.

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