Changes from 0.7.3 to 0.7.7:
+ * The QUICK CLUSTER command is now implemented.
+
* The "pspp" program has a new option --batch (or -b) that selects
"batch" syntax mode. In previous versions of PSPP this syntax mode
was the default. Now a new "auto" syntax mode is the default. In
* The INCLUDE and INSERT commands now support the ENCODING subcommand
to specify the encoding for the included syntax file.
+ * The plain text output driver now properly supports multibyte UTF-8
+ characters, including double-width characters and combining
+ accents.
+
* Strings may now include arbitrary Unicode code points specified in
hexadecimal, using the syntax U'hhhh'. For example, Unicode code
point U+1D11E, the musical G clef character, may be expressed as