xz: Don't mention lzip's sync flush marker on the man page

The sync flush marker isn't valid in .lz files. The sync flush marker
may be used by lzlib, but the resulting streams are only meant to be
decoded by lzlib itself. lzlib's docs make this clear.

Reported-by: Antonio Diaz Diaz
Link: https://www.mail-archive.com/xz-devel@tukaani.org/msg00700.html
Link: https://www.mail-archive.com/xz-devel@tukaani.org/msg00701.html

diff --git a/src/xz/xz.1 b/src/xz/xz.1
index 0bc30a9af384d121a57982be8dbdf3cdb16785fc..6e37b426a3b5c85552cf006f388c9a71d4ad5685 100644 (file)
--- a/src/xz/xz.1
+++ b/src/xz/xz.1
@@ -615,7 +615,7 @@ Compression is not supported.
 .IP ""
 The
 .B .lz
-format version 0 and the unextended version 1 are supported.
+format versions 0 and 1 are supported.
 Version 0 files were produced by
 .B lzip
 1.3 and older.
@@ -625,15 +625,8 @@ People might have old personal files in this format too.
 Decompression support for the format version 0 was removed in
 .B lzip
 1.18.
-.IP ""
 .B lzip
 1.4 and later create files in the format version 1.
-The sync flush marker extension to the format version 1 was added in
-.B lzip
-1.6.
-This extension is rarely used and isn't supported by
-.B xz
-(diagnosed as corrupt input).
 .TP
 .B raw
 Compress or uncompress a raw stream (no headers).