pdfopt/_ect — Efficient Compression Tool (ECT) Deflate compressor,
(c) 2014-2026 Felix Hanau, with Zopfli by Google Inc. (Apache License 2.0).
Sources were taken from the katzip project with its patches
(ect.patch, ect_alignment.patch) applied. See pdfopt/_ect/License.txt and
pdfopt/_ect/zopfli/COPYING.
