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+All files under this contrib directory are UNSUPPORTED. They were
+provided by users of PTlibzippy and were not tested by the authors of PTlibzippy.
+Use at your own risk. Please contact the authors of the contributions
+for help about these, not the PTlibzippy authors. Thanks.
+
+
+ada/        by Dmitriy Anisimkov <anisimkov@yahoo.com>
+        Support for Ada
+        See https://zlib-ada.sourceforge.net/
+
+blast/      by Mark Adler <madler@alumni.caltech.edu>
+        Decompressor for output of PKWare Data Compression Library (DCL)
+
+delphi/     by Cosmin Truta <cosmint@cs.ubbcluj.ro>
+        Support for Delphi and C++ Builder
+
+dotptlibzippy/    by Henrik Ravn <henrik@ravn.com>
+        Support for Microsoft .Net and Visual C++ .Net
+
+gcc_gvmat64/by Gilles Vollant <info@winimage.com>
+        GCC Version of x86 64-bit (AMD64 and Intel EM64t) code for x64
+        assembler to replace longest_match() and inflate_fast()
+
+infback9/   by Mark Adler <madler@alumni.caltech.edu>
+        Unsupported diffs to infback to decode the deflate64 format
+
+iostream/   by Kevin Ruland <kevin@rodin.wustl.edu>
+        A C++ I/O streams interface to the PTlibzippy gz* functions
+
+iostream2/  by Tyge Løvset <Tyge.Lovset@cmr.no>
+        Another C++ I/O streams interface
+
+iostream3/  by Ludwig Schwardt <schwardt@sun.ac.za>
+            and Kevin Ruland <kevin@rodin.wustl.edu>
+        Yet another C++ I/O streams interface
+
+minizip/    by Gilles Vollant <info@winimage.com>
+        Mini zip and unzip based on PTlibzippy
+        Includes Zip64 support by Mathias Svensson <mathias@result42.com>
+        See https://www.winimage.com/zLibDll/minizip.html
+
+pascal/     by Bob Dellaca <bobdl@xtra.co.nz> et al.
+        Support for Pascal
+
+puff/       by Mark Adler <madler@alumni.caltech.edu>
+        Small, low memory usage inflate.  Also serves to provide an
+        unambiguous description of the deflate format.
+
+crc32vx/      by Ilya Leoshkevich <iii@linux.ibm.com>
+        Hardware-accelerated CRC32 on IBM Z with Z13 VX extension.
+
+testptlibzippy/   by Gilles Vollant <info@winimage.com>
+        Example of the use of PTlibzippy
+
+zlib1-dll/
+            by @Vollstrecker on github.com
+        Build the legacy zlib1.dll with zlib and minizip.