Zip-Ada v.52 released

Changes:

UnZip.Streams: all procedures have an additional (optional) Ignore_Directory parameter.
Zip.Compress has the following new methods with improved compression:
- LZMA_3, Preselection_1 (replaces Preselection), Preselection_2.
- Preselection methods use now entry name extension and size for improving compression, while remaining 1-pass methods.

http://gautiersblog.blogspot.com/search/label/Ada

Details:

For those interested about what's happening "under the hood", LZMA.

Encoding now computes an estimation of the predicted probabilities of some alternative encodings and chooses the most probable one - it gives an immediate better local compression.
Sometimes the repetition of such a repeated short-run improvement has a long-run positive effect, but sometimes not - that's where it's beginning to be fun...

Enjoy!

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