pspp-convert: Add support for decrypting encrypted system files.

[pspp] / NEWS

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+++ b/NEWS
@@ -4,14 +4,21 @@ See the end for copying conditions.
 
 Please send PSPP bug reports to bug-gnu-pspp@gnu.org.
  
-Changes since 0.8.1:
+Changes from 0.8.1 to 0.8.1.1:
 
  * Charts are now rendered with colours from the Tango palette instead
    of fully saturated primaries.
 
- * PSPP can now read and write ZCOMPRESSED system files, a new format
-   variant that compresses data much more effectively than the
-   previous form of compression (which is still supported).
+ * Support for new system file variants:
+
+   - PSPP can now read and write ZCOMPRESSED system files, which
+     compress data much more effectively than older "compressed"
+     files.  (The older format is still supported.)
+
+   - PSPP can now decrypt encrypted system files, using the new
+     pspp-convert utility.  The encrypted system file format is
+     unacceptably insecure, so to discourage its use PSPP and PSPPIRE
+     do not directly read or write this format.
 
  * Missing values for long string variables are now read from and
    written to system files in an SPSS-compatible fashion.
@@ -21,6 +28,11 @@ Changes since 0.8.1:
    way.  To fix the problem, read the system file with this version of
    PSPP and then save a new copy of it.)
 
+ * pspp-convert, a new standalone utility for converting SPSS system
+   and portable files to other formats, is now included.  The initial
+   version supports comma-separated value files as output format.
+   pspp-convert can also decrypt encrypted system files.
+
  * Build changes:
 
    - zlib is now a required dependency.  (Previously it was optional.)