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M11: PDF Optimizer ▸ Clean Up stores LZW streams with Flate (optimize.flate-unencoded)

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Marco Arnulfo committed 2026-10-23 05:03:16 +02:00
1 parent de91632934
commit 5ee279290a
44 files changed
+454 -39
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parity/acrobat-features.toml
+2 -2
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@@ -7589,8 +7589,8 @@ milestone = "M11"
status = "partial"
commands = ["optimize.advanced"]
tools = ["doc_optimize"]
evidence = ["crates/optimize/tests/optimize.rs::discards_and_clean_up"]
notes = "unencoded streams; LZW not yet re-encoded"
evidence = ["crates/optimize/tests/optimize.rs::discards_and_clean_up", "crates/optimize/tests/optimize.rs::lzw_streams_become_flate_and_decode_to_the_same_bytes", "crates/optimize/tests/optimize.rs::a_page_drawn_from_lzw_streams_renders_the_same_after_conversion"]
notes = "Two Clean Up options, as in Acrobat: unencoded streams are Flate-compressed, and LZW streams (content and image XObjects; EarlyChange 0 and 1, with or without a predictor, LZW anywhere in a filter chain) are decoded and stored with Flate instead, keeping the predictor and the filters after the LZW one; LZW data that doesn't decode cleanly is left as it is. Not yet: LZW inline images inside content streams."
[[feature]]
id = "optimize.remove-invalid-links"