Merging upstream version 0.9.

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

doc/plzip.info

@@ -12,7 +12,7 @@ File: plzip.info,  Node: Top,  Next: Introduction,  Up: (dir)
 Plzip Manual
 ************
 
-This manual is for Plzip (version 0.8, 17 January 2012).
+This manual is for Plzip (version 0.9, 1 March 2012).
 
 * Menu:
 
@@ -81,6 +81,13 @@ 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.
 
+   WARNING! Even if plzip is bug-free, other causes may result in a
+corrupt compressed file (bugs in the system libraries, memory errors,
+etc).  Therefore, if the data you are going to compress is important,
+give the `--keep' option to plzip and do not remove the original file
+until you verify the compressed file with a command like
+`plzip -cd file.lz | cmp file -'.
+
    Return values: 0 for a normal exit, 1 for environmental problems
 (file not found, invalid flags, I/O errors, etc), 2 to indicate a
 corrupt or invalid input file, 3 for an internal consistency error (eg,
@@ -351,12 +358,12 @@ Concept Index
 
 Tag Table:
 Node: Top223
-Node: Introduction845
-Node: Invoking Plzip3641
-Node: Program Design8597
-Node: File Format9259
-Node: Problems11254
-Node: Concept Index11783
+Node: Introduction842
+Node: Invoking Plzip4008
+Node: Program Design8964
+Node: File Format9626
+Node: Problems11621
+Node: Concept Index12150
 
 End Tag Table