Merging upstream version 1.0.

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

doc/zutils.info

@@ -12,7 +12,7 @@ File: zutils.info,  Node: Top,  Next: Introduction,  Up: (dir)
 Zutils Manual
 *************
 
-This manual is for Zutils (version 1.0-rc7, 8 April 2013).
+This manual is for Zutils (version 1.0, 31 May 2013).
 
 * Menu:
 
@@ -53,6 +53,10 @@ The supported formats are bzip2, gzip, lzip and xz.
    Zcat, zcmp, zdiff, and zgrep are improved replacements for the shell
 scripts provided with GNU gzip. Ztest is unique to zutils.
 
+   NOTE: Bzip2 and lzip provide well-defined values of exit status,
+which makes them safe to use with zutils. Gzip and xz may return
+ambiguous warning values, making them less reliable backends for zutils.
+
 
    Numbers given as arguments to options (positions, sizes) may be
 followed by a multiplier and an optional `B' for "byte".
@@ -181,7 +185,7 @@ following:
      FILE1).
 
   2. If FILE1 is not compressed, compares FILE1 to the uncompressed
-     contents of FILE1.[bz2|gz|lz|xz] (the first one that is found).
+     contents of FILE1.[lz|bz2|gz|xz] (the first one that is found).
 
   3. If no suitable file is found, compares FILE1 to data read from
      standard input.
@@ -264,7 +268,7 @@ following:
      FILE1).
 
   2. If FILE1 is not compressed, compares FILE1 to the uncompressed
-     contents of FILE1.[bz2|gz|lz|xz] (the first one that is found).
+     contents of FILE1.[lz|bz2|gz|xz] (the first one that is found).
 
   3. If no suitable file is found, compares FILE1 to data read from
      standard input.
@@ -584,14 +588,14 @@ Concept Index
 
 Tag Table:
 Node: Top224
-Node: Introduction1005
-Node: Zcat2592
-Node: Zcmp4678
-Node: Zdiff7164
-Node: Zgrep9830
-Node: Ztest12841
-Node: Problems14245
-Node: Concept Index14774
+Node: Introduction1000
+Node: Zcat2794
+Node: Zcmp4880
+Node: Zdiff7366
+Node: Zgrep10032
+Node: Ztest13043
+Node: Problems14447
+Node: Concept Index14976
 
 End Tag Table