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A catalogue's worst records are the ones whose file says nothing true about itself: a PDF titled `Untitled` by an author called `Oxford`, which is a publisher, from a filename that was never anything but a filename. What those books do have is pages. The title page carries the title as the publisher set it; the copyright page carries the imprint, the year, the ISBN, and in most English books since the 1970s the cataloguing block, which is a catalogue record a librarian already made, subject headings and all. So this reads the pages. Every field names the page it came from, and a book that printed nothing comes back empty with its fields in `unsettled` rather than filled with something plausible — an extraction that starts at chapter one has no front matter in it, and saying so is the answer. Two pages look like a title page and are not, and both are how a catalogue comes to name the wrong book. A series advertisement lists other titles in the shape a title page uses, over as many as four pages with only the first announcing itself. A translation's cataloguing block prints the original title in brackets above the real one. Both are found and refused. Three things the pages give that no file does: the subject headings a librarian assigned, an ISBN that exists only in print — which turns a book with no identifier into one `bibfetch` can look up — and a title in the case the publisher meant, because a half title prints unbroken what the title page breaks across two lines and sets in capitals. `--prompt` and `--merge` are citefind's: a question about exactly the fields the pages left unsettled, composed here and answered wherever the caller keeps a model, with the advertising taken out of what the model is shown. A field a model answered is marked `model`, so a record always says which of it was read and which was inferred. Measured against 600 books of the home corpus: the cataloguing block answered for 21% of them and agreed with the catalogue 89% of the time, most of the residue being the catalogue's error rather than this one's. Title pages answered for another 41%. The remaining 38% print nothing readable, and are what the prompt is for.
22 lines
474 B
TOML
22 lines
474 B
TOML
[package]
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name = "colophon"
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description = "The record a book prints in its own front matter."
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version.workspace = true
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edition.workspace = true
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rust-version.workspace = true
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license.workspace = true
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repository.workspace = true
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[dependencies]
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catena-cli.workspace = true
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clap.workspace = true
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corpus-core.workspace = true
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bibclean.workspace = true
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regex.workspace = true
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schemars.workspace = true
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serde.workspace = true
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serde_json.workspace = true
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[lints]
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workspace = true
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