Adding upstream version 1.5~pre1.upstream/1.5_pre1

Signed-off-by: Daniel Baumann <mail@daniel-baumann.ch>

1 files changed, 14 insertions, 9 deletions

diff --git a/README b/README
index 72d434b..26d527d 100644
--- a/README
+++ b/README
@@ -6,6 +6,10 @@ gzip or bzip2. Clzip decompresses almost as fast as gzip and compresses
 better than bzip2, which makes it well suited for software distribution
 and data archiving.
 
+Clzip uses the same well-defined exit status values used by bzip2, which
+makes it safer when used in pipes or scripts than compressors returning
+ambiguous warning values, like gzip.
+
 Clzip uses the lzip file format; the files produced by clzip are fully
 compatible with lzip-1.4 or newer. Clzip is in fact a C language version
 of lzip, intended for embedded devices or systems lacking a C++
@@ -47,15 +51,16 @@ memory requirement is affected at compression time by the choice of
 dictionary size limit.
 
 As a self-check for your protection, clzip stores in the member trailer
-the 32-bit CRC of the original data and the size of the original data,
-to make sure that the decompressed version of the data is identical to
-the original. This guards against corruption of the compressed data, and
-against undetected bugs in clzip (hopefully very unlikely). The chances
-of data corruption going undetected are microscopic, less than one
-chance in 4000 million for each member processed. Be aware, though, that
-the check occurs upon decompression, so it can only tell you that
-something is wrong. It can't help you recover the original uncompressed
-data.
+the 32-bit CRC of the original data, the size of the original data and
+the size of the member. These values, together with the value remaining
+in the range decoder and the end-of-stream marker, provide a very safe 4
+factor integrity checking which guarantees that the decompressed version
+of the data is identical to the original. This guards against corruption
+of the compressed data, and against undetected bugs in clzip (hopefully
+very unlikely). The chances of data corruption going undetected are
+microscopic. Be aware, though, that the check occurs upon decompression,
+so it can only tell you that something is wrong. It can't help you
+recover the original uncompressed data.
 
 Clzip implements a simplified version of the LZMA (Lempel-Ziv-Markov
 chain-Algorithm) algorithm. The high compression of LZMA comes from