Merging upstream version 1.4~rc1.

Signed-off-by: Daniel Baumann <daniel@debian.org>

doc/plzip.texi

@@ -6,8 +6,8 @@
 @finalout
 @c %**end of header
 
-@set UPDATED 25 February 2015
-@set VERSION 1.4-pre1
+@set UPDATED 23 May 2015
+@set VERSION 1.4-rc1
 
 @dircategory Data Compression
 @direntry
@@ -195,7 +195,7 @@ plzip [@var{options}] [@var{files}]
 
 Plzip supports the following options:
 
-@table @samp
+@table @code
 @item -h
 @itemx --help
 Print an informative help message describing the options and exit.
@@ -394,13 +394,12 @@ A four byte string, identifying the lzip format, with the value "LZIP"
 Just in case something needs to be modified in the future. 1 for now.
 
 @item DS (coded dictionary size, 1 byte)
-Lzip divides the distance between any two powers of 2 into 8 equally
-spaced intervals, named "wedges". The dictionary size is calculated by
-taking a power of 2 (the base size) and substracting from it a number of
-wedges between 0 and 7. The size of a wedge is (base_size / 16).@*
+The dictionary size is calculated by taking a power of 2 (the base size)
+and substracting from it a fraction between 0/16 and 7/16 of the base
+size.@*
 Bits 4-0 contain the base 2 logarithm of the base size (12 to 29).@*
-Bits 7-5 contain the number of wedges (0 to 7) to substract from the
-base size to obtain the dictionary size.@*
+Bits 7-5 contain the numerator of the fraction (0 to 7) to substract
+from the base size to obtain the dictionary size.@*
 Example: 0xD3 = 2^19 - 6 * 2^15 = 512 KiB - 6 * 32 KiB = 320 KiB@*
 Valid values for dictionary size range from 4 KiB to 512 MiB.
 
@@ -440,11 +439,11 @@ following:
 @itemize @bullet
 @item
 For compression at level -0; 1.5 MiB plus 3 times the data size
-(@pxref{--data-size}).
+(@pxref{--data-size}). About 4.5 MiB.
 
 @item
 For compression at other levels; 11 times the dictionary size plus 3
-times the data size.
+times the data size. Default is 136 MiB.
 
 @item
 For decompression of a regular (seekable) file to another regular file,