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AF.3: say which sample set the Affinity semantics were fitted on 

The README said 176 public documents in its provenance and 189 in its
limits. The thumbnail fitting was done on 176; the collection has since
grown to 189 distinct documents, and the reader opens all of them (298
files with duplicates, no failures). State both. PhotoCraft's copy of
the reader got the same fix in storytold/photocraft#1607.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01GQPh8UDgMyARR5Hat9UchC
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callmeBalloch 2026-10-09 08:02:33 +00:00 committed by Claude
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5
crates/affinity/README.md
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@ -68,7 +68,8 @@ of CC0 sample files.
* **Meaning fitted to Affinity's own pictures.** What shapes, paints, text and pixel data mean was
worked out by comparing our render with the thumbnail every Affinity document embeds (Affinity's
render of itself), on 176 public documents saved by Affinity 1.x, 2.x and 3.0/3.1 on Windows,
macOS and iPad. Most are published under CC0, MIT, BSD, Apache-2.0 or CC BY (-SA); the others
macOS and iPad. The collection has since grown to 189 distinct documents, and the reader opens
all of them. Most are published under CC0, MIT, BSD, Apache-2.0 or CC BY (-SA); the others
(no licence stated, or GPL or non-commercial terms) were only opened locally to compare
pictures, never committed or redistributed. The corpus test keeps the comparison for the pinned
files, which are CC0, MIT or Apache-2.0 only.
@ -111,7 +112,7 @@ Every size is checked before it is allocated: 256 MiB per archive entry and 1 Gi
default (`Limits`), a 64 MiB zstd window, 4096 saved revisions, array lengths no longer than the
bytes left, 16 777 216 decoded values per document stream (fields and array elements together, counted before
anything is allocated: a value takes about 40 bytes in memory however few it took in the file; the largest of
189 distinct public documents uses 3.3 million), 384 levels of object nesting, 128 levels of layers, 500 000 layers, four million curve
those 189 public documents uses 3.3 million), 384 levels of object nesting, 128 levels of layers, 500 000 layers, four million curve
nodes per curve, 64 megapixels per pixel layer (cropped to its content first) and 1024 gradient
stops. Every archive entry's CRC-32 and size must match. Malformed input returns an `Error`; the
crate has no panics outside tests.