Changes in release 3.13:
-* df no longer invokes the sync system call by default.
- Use --sync to invoke sync before getting file system sizes.
+* when building on systems that have getopt_long (like Linux), the system-
+ provided function will be used -- so executables may be a little smaller
+* chgrp, chown, cp -p, and mv all modify owner and/or group on systems
+ (like Solaris) that provide the lchown system call.
+* df no longer invokes the sync system call by default. You can use the
+ --sync option to make df invoke sync before getting file system sizes.
* internationalized diagnostic messages
* mkdir accepts new option: --verbose
* cp has been fixed so that the full file name it uses for the destination