X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=TODO;h=4ea88d83e768045783af7e19e29910cddfd61b4a;hb=92249085071a973e2c0621b0415b93d2e48bb00d;hp=78ebe99dd96e90d95d8d73bedee010aeb1fa4328;hpb=4ee107046a0ffd91f6c60c787326a5e27b799f6d;p=debian%2Fgzip

diff --git a/TODO b/TODO
index 78ebe99..4ea88d8 100644
--- a/TODO
+++ b/TODO
@@ -2,9 +2,7 @@ TODO file for gzip.
 
 Some of the planned features include:
 
-- Remove some of the old porting cruft. since we no longer support
-  FIXME-2011: in mid to late 2011, remove the following directories:
-  amiga, atari, msdos, nt, os2, vms
+- Remove some of the old porting cruft, since we no longer support it.
 
 - Separate out the shell scripts like gzexe into a new little package;
   these scripts are less used and less reliable and should be optional.
@@ -33,16 +31,14 @@ Some of the planned features include:
   should be done in chunks to reduce memory usage.)
 
 - Add a super-fast compression method, suitable for implementing
-  file systems with transparent compression. One problem is that the
-  best candidate (lzrw1) is patented twice (Waterworth 4,701,745
-  and Gibson & Graybill 5,049,881). The lzrw series of algorithms
-  are available by ftp in ftp.adelaide.edu.au:/pub/compression/lzrw*.
+  file systems with transparent compression. The lzrw series of algorithms
+  are available at http://www.ross.net/compression/.
 
 - Add a super-tight (but slow) compression method, suitable for long
-  term archives.  One problem is that the best versions of arithmetic
-  coding are patented (4,286,256 4,295,125 4,463,342 4,467,317
-  4,633,490 4,652,856 4,891,643 4,905,297 4,935,882 4,973,961
-  5,023,611 5,025,258).
+  term archives.  See, for example, US Patents 4,286,256 4,295,125
+  4,463,342 4,467,317 4,633,490 4,652,856 4,891,643 4,905,297
+  4,935,882 4,973,961 5,023,611 5,025,258, which have all expired.
+  More recent patent-free techniques may also be available.
 
   Note: I will introduce new compression methods only if they are
   significantly better in either speed or compression ratio than the
@@ -61,7 +57,7 @@ Some of the planned features include:
 
   For one possible approach to this, please see:
 
-    http://www.samba.org/netfilter/diary/gzip.rsync.patch
+    https://ozlabs.org/~rusty/gzip.rsync.patch
 
 - Use a larger window size to deal with some large redundant files that
   'compress' currently handles better than gzip.
@@ -73,7 +69,7 @@ Send comments to <bug-gzip@gnu.org>.
 
 ========================================================================
 
-Copyright (C) 1999, 2001, 2006, 2009-2012 Free Software Foundation, Inc.
+Copyright (C) 1999, 2001, 2006, 2009-2018 Free Software Foundation, Inc.
 Copyright (C) 1992, 1993 Jean-loup Gailly
 
 Permission is granted to copy, distribute and/or modify this document