Revert "Delete downloads/hdf4/hdf4_2_16-2.md"

This reverts commit c84081b.

Author: loricooperhdf

downloads/hdf4/hdf4_2_16-2.md

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+---
+title: HDF4 2.16-2
+---
+
+<img alt="HDF4 Logo" align=right width=300 src="/assets/img/hdf4.png">
+
+# HDF4 2.16-2
+
+## Release Information
+
+| Version | HDF4 2.16-2 |
+| Release Date | 6/30/2023 |
+| Additional Release Information | [Release Notes](https://raw.githubusercontent.com/HDFGroup/hdf4/hdf_4_2_16-2/release_notes/RELEASE.txt) | 
+|| [Newsletter Announcement](https://www.hdfgroup.org/2023/03/release-of-hdf-4-2-16-newsletter-191/) | 
+|| [Compatibility Report for 2.16 vs 2.16-2](https://htmlpreview.github.io/?https://github.com/HDFGroup/hdf4doc/blob/master/Compatibility_Report/hdf-4.2.16-vs-hdf-4.2.15-interface_compatibility_report.html) | 
+
+## Files 
+
+Please note that on Mac 10.13 and later, the `--enable-hdf4-xdr` (autotools) / `HDF4_BUILD_XDR_LIB:BOOL=ON` (CMake) option must be specified.
+  
+| File | Type | Install Instructions |
+| ---- | ---- | ---- | 
+| [hdf-4.2.16-2.tar](https://hdf-wordpress-1.s3.amazonaws.com/wp-content/uploads/manual/HDF4/HDF4.2.16-2/src/hdf-4.2.16-2.tar) <br>([sha256](https://hdf-wordpress-1.s3.amazonaws.com/wp-content/uploads/manual/HDF4/HDF4.2.16-2/src/hdf-4.2.16-2.sha256)) | Source release ||
+| [hdf-4.2.16-2.tar.gz](https://hdf-wordpress-1.s3.amazonaws.com/wp-content/uploads/manual/HDF4/HDF4.2.16-2/src/hdf-4.2.16-2.tar.gz)	<br>([sha256](https://hdf-wordpress-1.s3.amazonaws.com/wp-content/uploads/manual/HDF4/HDF4.2.16-2/src/hdf-4.2.16-2.sha256)) | Source release	 || 
+| [hdf-4.2.16-2.tar.bz2](https://hdf-wordpress-1.s3.amazonaws.com/wp-content/uploads/manual/HDF4/HDF4.2.16-2/src/hdf-4.2.16-2.tar.bz2) <br>([sha256](https://hdf-wordpress-1.s3.amazonaws.com/wp-content/uploads/manual/HDF4/HDF4.2.16-2/src/hdf-4.2.16-2.sha256)) | Source release	|| 
+| [hdf-4.2.16-2.zip](https://hdf-wordpress-1.s3.amazonaws.com/wp-content/uploads/manual/HDF4/HDF4.2.16-2/src/hdf-4.2.16-2.zip) <br>([sha256](https://hdf-wordpress-1.s3.amazonaws.com/wp-content/uploads/manual/HDF4/HDF4.2.16-2/src/hdf-4.2.16-2.sha256)) | Source release	|| 
+| [CMake-hdf-4.2.16-2.tar.gz](https://hdf-wordpress-1.s3.amazonaws.com/wp-content/uploads/manual/HDF4/HDF4.2.16-2/src/CMake-hdf-4.2.16-2.tar.gz)	<br>([sha256](https://hdf-wordpress-1.s3.amazonaws.com/wp-content/uploads/manual/HDF4/HDF4.2.16-2/src/hdf-4.2.16-2.sha256)) | CMake source release | [Build Instructions](https://raw.githubusercontent.com/HDFGroup/hdf4/master/release_notes/INSTALL.txt) | 
+| [CMake-hdf-4.2.16-2.zip](https://hdf-wordpress-1.s3.amazonaws.com/wp-content/uploads/manual/HDF4/HDF4.2.16-2/src/CMake-hdf-4.2.16-2.zip) <br>([sha256](https://hdf-wordpress-1.s3.amazonaws.com/wp-content/uploads/manual/HDF4/HDF4.2.16-2/src/hdf-4.2.16-2.sha256)) | CMake source release | [Build Instructions](https://raw.githubusercontent.com/HDFGroup/hdf4/master/release_notes/INSTALL.txt) | 
+| [Ready to use Binaries](https://support.hdfgroup.org/ftp/HDF/releases/HDF4.2.16-2/bin/)	| Pre-built binary distributions for Unix and Windows |