1 PSPP NEWS -- history of user-visible changes.
2 Copyright (C) 1996-2000, 2008-2013 Free Software Foundation, Inc.
3 See the end for copying conditions.
5 Please send PSPP bug reports to bug-gnu-pspp@gnu.org.
11 - System files written by IBM SPSS 21 are now read without warnings.
13 * PSPPIRE graphical user interface improvements:
15 - Syntax windows now parse syntax in "auto" mode, which in practice
16 should mean that both "batch" and "interactive" syntax now works,
17 instead of just "interactive" syntax.
19 Changes from 0.6.2 to 0.8.0:
36 - PRESERVE and RESTORE
40 - SAVE TRANSLATE to CSV and tab-delimited files
44 * Changes to existing commands:
46 - AUTORECODE has a new GROUP subcommand.
48 - CROSSTABS has been re-implemented to fix numerous bugs.
50 - EXAMINE: /MISSING=LISTWISE is now the default.
52 - DO REPEAT command has been reimplemented. Now, when DO REPEAT
53 contains an INCLUDE or INSERT command, substitutions are not
54 applied to the included file.
56 - FILE HANDLE has a new ENDS subcommand to select CR or CRLF new-lines.
58 - HOST has been updated to use more modern syntax.
60 - Most commands that work with data files now support a new
63 - MISSING VALUES can now assign missing values to long string
66 - ONEWAY: the POSTHOC subcommand is now implemented.
68 - The following new subcommands to NPAR TESTS have been implemented:
69 COCHRAN, FRIEDMAN, JONCKHEERE-TERPSTRA, KENDALL, KRUSKAL-WALLIS, MANN-WHITNEY,
70 MCNEMAR, SIGN, WILCOXON, and RUNS
72 - SET and SHOW no longer have ENDCMD, NULLINE, PROMPT, CPROMPT, and
73 DPROMPT subcommands. The defaults are now fixed values.
75 - SHOW now has a JOURNAL subcommand, to show the location of the
78 - VALUE LABELS can now assign value labels to long string
81 * Other language changes:
83 - The new DATASET commands replace the "scratch file" PSPP
84 extension, which is no longer supported.
86 - Strings may now include arbitrary Unicode code points specified
87 in hexadecimal, using the syntax U'hhhh'. For example, Unicode
88 code point U+1D11E, the musical G clef character, may be
89 expressed as U'1D11E'.
91 See the "Tokens" section in the PSPP manual for more information.
93 - In previous versions of PSPP, in a string expressed in
94 hexadecimal with X'hh' syntax, the hexadecimal digits expressed
95 bytes in the locale encoding. In this version of PSPP, X'hh'
96 syntax always expresses bytes in UTF-8 encoding.
98 See the "Tokens" section in the PSPP manual for more information.
100 * PSPPIRE graphical user interface improvements:
102 - Added support for non-ASCII characters in strings, labels and
105 - A "Split Window" function is available, which makes it easier to
106 see different parts of a large data file.
108 - Data files can now be opened by specifing their name as the first
109 argument. This means that on a properly configured desktop, double
110 clicking on an icon will open the file.
112 - Foreign formats, such as Gnumeric, OpenDocument and CSV can be imported
113 via using an "intelligent" application assistant dialog.
117 - The new "cairo" output driver supports output in PostScript, PDF,
118 and SVG formats. Its functionality is a superset of that of the
119 "postscript" driver, which has been removed. You must have Cairo
120 and Pango installed to build the "cairo" driver.
122 - Charts are now produced with Cairo and Pango, instead of libplot.
123 Without them, the new graphing features will not work. If you do
124 not have Cairo and Pango installed, you must run `configure' with
127 - The plain text output driver now properly supports multibyte UTF-8
128 characters, including double-width characters and combining
131 - Output to OpenDocument format is now supported.
133 - The HTML output is much improved.
135 * The "pspp" program has a new option --batch (or -b) that selects
136 "batch" syntax mode. In previous versions of PSPP this syntax mode
137 was the default. Now a new "auto" syntax mode is the default. In
138 "auto" mode, PSPP interprets most syntax files correctly regardless
139 of their intended syntax mode.
141 See the "Syntax Variants" section in the PSPP manual for more
144 * The "pspp" program has a new option --syntax-encoding that
145 specifies the encoding for syntax files listed on the command line,
146 as well as the default encoding for syntax files included with
147 INCLUDE or INSERT. The default is to accept the system locale
148 encoding, UTF-8, UTF-16, or UTF-32, automatically detecting which
149 one the system file uses.
151 See the documentation for the INSERT command in the PSPP manual for
154 * Text data files that PRINT and WRITE creates now use the system
155 native line ends by default (CRLF on Windows, LF only elsewhere).
156 Use the new ENDS subcommand on FILE HANDLE to override the default.
158 * A new Perl module allows Perl programs to read and write PSPP
161 * A tutorial chapter has been added to the user manual.
163 Changes from 0.6.1 to 0.6.2:
167 - Dutch, thanks to Harry Thijssen.
169 - Brazilian Portuguese, thanks to Michel Boaventura.
171 Thanks for translations are also due to the coordinators at
172 translationproject.org.
174 * Statistical bug fixes:
176 - REGRESSION: Report correct standard error of the estimate (bug
179 - T-TEST: Report correct significance of paired sample T-test in
180 the common case (bug #26936) and corner cases. Thanks to Mike
181 Griffiths and Matej Cepl for reporting these bugs.
183 * Build fixes and changes:
185 - Fix build with GTK+ 2.17.4 and later.
187 - Make running "make" after running "configure" with different
188 settings reliably rebuild version.c.
190 - Cygwin and MinGW build fixes.
192 - Fixes for building with recent gnulib.
194 - The Makefile now honors two new variables, PSPP_LDFLAGS and
195 PSPPIRE_LDFLAGS, that affect linking of the PSPP and PSPPIRE
196 binaries, respectively. This makes building easier for some
199 - Fixes for "configure --enable-relocatable" (bug #25508).
201 * Data file bug fixes and changes:
203 - Fix reading text data files that contain a mix of white space
204 and commas. Now "a ,b" is treated as two fields containing "a"
205 and "b"; previously it was treated as three, with an empty field
208 - Fix writing corrupted .sav files on Windows.
210 - Fix writing variable labels longer than 252 bytes to save files.
211 Thanks to Robert Westlund for reporting this bug.
213 - Fix writing corrupted .por files (bug #26034).
215 - Fix reading .por files whose initial lines are not padded out
216 with spaces as expected.
218 - PSPP will no longer issue warnings about some .sav file records
219 or values that it does not understand. These warnings were
220 harmless, but needlessly alarmed some users.
222 - Fix crash reading empty string fields from PostgreSQL databases.
224 * Bug fixes that affect PSPP and PSPPIRE:
226 - Users may now control precision of output statistics. Instead
227 of hard coding the width and decimals of output numbers, respect
228 the default format in most instances. Counts are now normally
229 displayed with the format of the weight variable, if any.
231 - Fix crash when an INSERT command specifies the name of a file
232 that does not exist (bug #24569).
234 - Fix crash when CROSSTABS specifies a long-string variable (bugs
237 - Fix crash drawing pie charts with many segments.
239 - Fix crash when NUMERIC specifies an invalid format.
241 * PSPPIRE bug fixes and changes:
243 - On Windows, write the output file to the user's home directory
244 instead of the current directory, to better match user
247 - Some data editor fixes.
251 - Fix typo in BINOMIAL section of user manual (bug #25892).
253 Changes from 0.6.0 to 0.6.1:
255 * Statistical bug fixes:
257 - Report correct standardized regression coefficients in linear
258 regression output (bug #23567).
260 * Bug fixes that affect PSPP and PSPPIRE:
262 - Avoid crash with pie charts (bug #24014).
264 - Don't append % to count totals (bug #24003).
266 - Don't crash on bad input (bug #24031).
268 - Don't crash if "end data." is not left aligned (bug #24115).
270 - Change default workspace value to 64 MB, to avoid unnecessary
271 disk accesses on modern machines.
275 - Add ".sav" or ".por" suffix to filename when saving with Save_As
278 - Make it possible to reopen the output window on Windows (bug
281 - A POSIX regular expression library is now included and used
282 automatically if the host does not have one or has one that is
285 * Build fixes and changes:
287 - Work around bug in GSL that prevented build with recent GCC
288 versions without manually adding -fgnu89-inline to CFLAGS.
290 - Also warn about missing prerequisites as we encounter them (bug
293 - Distribute necessary files to allow users working from the
294 distributed tarball to configure with --enable-gui-tools.
296 - Append $(EXEEXT_FOR_BUILD) to output file name when building
297 q2c, fixing build problems on Windows.
299 - GSL 1.8 or later is now required.
301 - Build errors with --enable-relocatable were fixed.
303 * The German translations were removed, since native German speakers
304 found them too poor to be useful.
306 Changes from 0.4.0 to 0.6.0:
308 * The PSPP license is now version 3 or later of the GNU General
309 Public License. Previously, it was version 2 or later.
311 * PSPP now has a graphical interface, called PSPPIRE. This
312 interface allows you to enter data and variable definitions
313 interactively. Commands may be executed in syntax form, or by
314 using the interactive dialog boxes available from the dropdown
317 * A few sample syntax files are now included in the `examples'
320 * Numerous major and minor bugs have been fixed.
324 * The INSTALL file now reflects the details of how to install
325 PSPP. It is a tailored version of the generic installation
326 instructions, instead of a verbatim copy.
328 * iconv, which is ordinarily installed as part of a Unix-like
329 system, is now required. If you don't have it already, you can
330 install GNU libiconv (http://www.gnu.org/software/libiconv/).
332 * libxml2 and zlib are new optional dependencies. They are
333 required to use PSPP's support for reading Gnumeric files.
335 Statistical procedure changes:
337 * REGRESSION is a new procedure for fitting linear models to data
338 via least-squares estimation.
340 * NPAR TESTS is a new procedure for non-parametric tests. In this
341 release, it supports binomial and chi-square tests.
343 * RANK is a new procedure to rank variables. It supports numerous
346 * FREQUENCIES can now output histograms and pie charts. These
347 features were present in earlier releases, but not documented.
349 User interface changes:
351 * In many situations where PSPP once terminated with a fatal
352 error, PSPP now recovers and continues execution.
354 * PSPP is now able to start up and run even if it cannot find its
357 * Journaling of interactive commands to a disk file is now
358 implemented. By default, journaling is enabled, to a file named
359 `pspp.jnl' in the current directory. SET JOURNAL may be used to
362 * The use of `+' between syntax file names on the command line to
363 prevent the dictionary from being cleared between their
364 executions is no longer supported. All syntax files are now
365 executed as if `+' had been specified.
367 * The -d/--define and -u/--undef command line options are no
368 longer supported. Instead, use /usr/bin/env or shell primitives
369 to define or clear environment variables before invoking PSPP.
371 * If a syntax file named named `rc' is found in a configuration
372 directory (such as $HOME/.pspp), it is executed before any
373 syntax file specified on the command line. The -r or
374 --no-statrc command line option may be used to disable this
379 * Output configuration options have changed. Please refer to the
380 manual for a full description of the available options.
382 In consequence, you will need to reinstall your "devices" file.
383 "make install" will do this for you.
385 * Most error messages are now written to PSPP output files by
386 default. SET ERROR can be used to disable this behavior.
388 * When invoked interactively, PSPP now by default produces output
389 on the terminal, piping it through the "more" program.
390 Previously, by default output was written only to file
391 pspp.list. On most terminals, the page length used for output
392 automatically adapts to the terminal size, even if the terminal
397 - This driver now supports charts in output. Charts are written
398 as separate files that the main output file refers to. By
399 default, charts are written in PNG format to files named
400 pspp-1.png, pspp-2.png, and so on.
402 - Configurations are provided that use VT100 (and xterm)
403 line-drawing characters in tables. The option "-o list-vt100"
404 requests use of this device for output to pspp.list.
408 - The default paper size is now determined using the PAPERSIZE
409 environment variable, or the LC_PAPER locale category on
410 systems that support it. If these are not set, the default is
411 now A4, instead of US letter. To make US letter the default,
412 set PAPERSIZE to "letter" in your environment.
414 - Font metrics are now read from AFM files, instead of
415 Groff-format metrics files. PostScript fonts can now be
418 In consequence, you will need to install an AFM file for each
419 font used in PostScript output. "make install" will install
420 AFM files for the standard PostScript fonts, including the
421 ones that the PostScript driver uses by default.
423 - Standard paper sizes no longer need to be specified through a
424 configuration file. The "papersize" configuration file is no
425 longer needed, or supported.
427 - The PostScript prologue is no longer obtained from the
428 "ps-prologue" configuration file. This configuration file is
429 no longer needed, or supported.
433 - The HTML prologue is no longer obtained from the
434 "html-prologue" configuration file. This configuration file
435 is no longer needed, or supported.
437 Command language changes:
439 * The following commands are new:
441 - GET DATA, which currently supports reading Gnumeric files and
442 text data files. It will be extended later to read other
443 types of foreign data.
445 - CD, to change the current directory.
447 - INSERT, to execute a syntax file.
449 - DELETE VARIABLES, to remove variables from the active file
452 - ADD DOCUMENT, to add text to active file documents.
454 - CLOSE FILE HANDLE (a PSPP extension; see below).
456 - XEXPORT, a PSPP extension that is a transformation equivalent
459 * The following functions for transformation expressions are new:
461 - DATEDIFF, for computing the difference of two dates.
463 - DATESUM, for advancing a date by a specified duration.
465 - VALUELABEL, to obtain the value label for a value.
467 * PSPP now supports very long string variables (over 255 bytes
470 * MATCH FILES now supports the FIRST and LAST subcommands.
472 * Previous versions of PSPP prohibited using commands to both read and
473 write a single file at the same time. Now, PSPP allows this, and
474 the new version of the file atomically replaces the old version.
476 * The following commands are no longer available. They will be
477 re-implemented in a later release:
479 - CLEAR TRANSFORMATIONS
485 * The PROCESS IF command, which was deprecated, has been removed.
486 You may replace any usage of it by SELECT IF following
487 TEMPORARY, which has the same effect.
489 * The output format for variables created by VECTOR may now be
490 specified as part of the VECTOR syntax.
492 "Scratch files", a new PSPP extension:
494 A scratch file, like a system file, consists of a dictionary and
495 any number of cases. Small scratch files are stored in memory;
496 one that grows too large is written to disk. By default, any file
497 handle whose name begins with # is assumed to refer to a scratch
500 Scratch files can be used just about anywhere a system or portable
501 file can be used. Also, portable files are now allowed in most
502 places that system files were allowed in previous PSPP version.
504 A new CLOSE FILE HANDLE command allows the storage associated with
505 scratch files to be freed. It also allows file handles to be
506 reassigned to new files.
508 For more information on scratch files, refer to the "File Handles"
509 section in the PSPP manual. For specifics of what commands now
510 allow what kinds of files to be specified, refer to the
511 documentation on those particular commands.
515 * Binary formats and IBM/360 formats, including ASCII/EBCDIC
516 translation, are now supported. Use FILE HANDLE to specify the
517 format of these files.
519 * Little-endian, big-endian, and VAX-endian formats are now
520 supported for integer binary formats when reading and writing
521 data files. The new RIB and WIB subcommands on the SET command
522 control endianness of integer data. The default is the host's
525 * IEEE 754, VAX, and IBM hexadecimal formats are now supported for
526 floating point binary formats when reading and writing data
527 files. The new RRB and WRB subcommands on the SET command
528 control the floating point format. The default is the host's
529 native floating point format.
531 * DATA LIST now supports the SKIP subcommand, to skip records at
532 the beginning of a file. For compatibility, DATA LIST now
533 treats N format as F format for FREE and LIST format input.
535 * The SAVE and XSAVE commands now support the UNSELECTED,
536 PERMISSIONS, NAMES, and MAP subcommands.
538 * The EXPORT command has been re-implemented to obtain better
539 results. Support for the UNSELECTED, DIGITS, and TYPE
540 subcommands has been added.
542 * For compatibility, PRINT now inserts a space at the beginning of
543 every output line, even lines that would otherwise be blank,
544 when OUTFILE is specified. (The behavior of WRITE is
547 * For compatibility, PRINT EJECT now inserts the digit `1' at the
548 beginning of each line that should begin a new page.
550 * For compatibility, WRITE now outputs the system-missing value as
551 a field filled with spaces. Binary formats are an exception.
552 (The behavior of PRINT is unchanged.)
556 * Input and output format descriptions have been rewritten. They
557 now precisely describe what is accepted on input and written on
560 * The descriptions of the PSPP system and portable file formats
561 have been extensively revised and improved.
563 For developers, the build system now requires Autoconf 2.60 and
566 Changes from 0.3.0 to 0.4.0:
568 Changes in build dependencies:
570 * The GNU Scientific Library (libgsl), version 1.6 or later, is
573 * libplot from GNU plotutils is optional. Without it, the new
574 graphing features will not work. If you do not have it
575 installed, you must run `configure' with --without-libplot.
577 * libgmp2 is no longer a dependency.
579 Newly implemented commands and statistical features:
581 * EXAMINE, including its graphing features.
583 * FREQUENCIES now supports percentiles.
591 * SORT CASES now sorts stably, that is, two cases with equal sort
592 criteria will be in the same relative order before and after the
595 * T-TEST (re-written).
597 * DATE and USE. These commands are parsed but otherwise ignored,
598 to enhance compatibility with certain command files that invoke
601 * VARIABLE WIDTH, VARIABLE ALIGNMENT, and VARIABLE LEVEL. These
602 currently have no effect on PSPP output, but their values are
603 written to and read from system files and thus may affect
604 third-party software.
606 * SET EPOCH implemented.
608 * DATA LIST FREE and DATA LIST LIST now support arbitrary field
611 * FILE HANDLE now supports custom tab widths.
613 Long variable names (and other identifiers) are now supported. Up
614 to the first 64 bytes of each identifier is significant. PSPP now
615 reads and writes system files compatible with SPSS version 12.
617 New --algorithm and --syntax command line options allow
618 SPSS-compatible or enhanced modes to be selected.
620 Support for transformation expressions has been rewritten and
621 significantly improved. Refer to the manual for details.
623 Calculation of moments (mean, standard deviation, kurtosis,
624 skewness) has been rewritten and should now be more accurate. In
625 --algorithm=enhanced mode moments may be more accurate than SPSS in
628 Numerous bugs have been fixed, too many to mention here. Many new
629 tests have been added, leading to the discovery and fixing of many
632 The ASCII output driver can now squeeze multiple blank lines into
635 Much of the code has been rewritten and refactored. It is now much
638 The FILE TYPE and REPEATING DATA commands have been disabled for
639 this release because their implementations were deemed too buggy to
640 be useful. They will be fixed and replaced in a future release.
642 New pspp-mode for Emacs (in pspp-mode.el).
644 Added rudimentary command-line completion for interactive input.
646 lib/julcal and lib/dcdflib are no longer used, so they have been
649 For developers, the build system now requires Autoconf 2.58 and
650 Automake 1.7. The included gettext has been updated to version
653 Some reports state that Texinfo 4.8, the latest version, may be
654 necessary to successfully format the documentation on some systems.
656 Version 0.3.0 changes since 0.2.3:
660 * Using alphanumeric variables in functions under AGGREGATE
663 * Under certain circumstances, the final case would be omitted
664 from the results of an AGGREGATE operation. Fixed.
666 * Undefined behavior was invoked by referencing a freed pointer
667 under certain circumstances. Fixed.
669 * A wrong record size was displayed when paging the active file to
672 * Not having enough temporary space for sorting caused a core
675 * Syntax errors in function descriptions on AGGREGATE caused core
678 * A null pointer was dereferenced, causing a core dump, when
679 PERCENTILES was specified on FREQUENCIES. This fixes the
680 problem, but PSPP still doesn't calculate percentiles.
682 * SORT always sorted in ascending order. Fixed.
684 * Some minor memory leaks in the expression parser were removed.
686 * Many assertions fixed for strict ANSI C compliance.
690 * SET ECHO ON now implemented, but turned off by default.
692 * PRINT specifier supported on END REPEAT.
696 * System libgmp2 library is used if installed instead of
697 unconditionally using the included libgmp2 subset.
699 * Extensive code cleanup, which continues.
701 * Added CORRELATIONS command parser, but not implemented.
703 Version 0.2.3 changes since 0.2.2:
707 * SPLIT FILE with a string variable caused a core dump. Fixed.
709 * Nested INCLUDEs didn't work. Fixed.
711 * The MATCH FILES procedure set the values of variables not present
712 to 0. It should have been SYSMIS. This is now fixed.
714 * The REMARK command was too aggressive about skipping lines. It
715 didn't like being the last command in a file.
717 * Comment parsing wasn't consistent with the rest of the code in its
718 idea of where one command ends and another starts. This meant
719 that sometimes commands would be mysteriously ignored. Thanks to
720 Dr. Dirk Melcher <BZN-mdksh@t-online.de> for reporting this bug.
722 * The TABLE subcommand on MATCH FILES worked only erratically at
723 best. This fixes it. Thanks to Dr. Dirk Melcher
724 <BZN-mdksh@t-online.de> for reporting this bug.
726 * VARIABLE LABELS rejected a slash before the first variable
727 specification, contradicting the documentation. Thanks to Walter
728 M. Gray <graywm@northernc.on.ca> for reporting this bug.
730 * Because of an incorrect optimization in memory allocation,
731 CROSSTABS sometimes segfaulted when asked to output multiple
732 tables. Thanks to Walter M. Gray <graywm@northernc.on.ca> for
735 * CROSSTABS didn't display value labels for column and row
736 variables. Thanks to Walter M. Gray <graywm@northernc.on.ca> for
739 * WRITE didn't write line ends. Fixed. Thanks to Dr. Dirk Melcher
740 <BZN-mdksh@t-online.de> for reporting this bug.
742 * The TABLE subcommand on MATCH FILES worked only erratically at
743 best. This fixes it. Thanks to Dr. Dirk Melcher
744 <BZN-mdksh@t-online.de> for reporting this bug.
746 * VARIABLE LABELS rejected a slash before the first variable
747 specification, contradicting the documentation. Thanks to Walter
748 M. Gray <graywm@northernc.on.ca> for reporting this bug.
750 * Because of an incorrect optimization in memory allocation,
751 CROSSTABS sometimes segfaulted when asked to output multiple
752 tables. Thanks to Walter M. Gray <graywm@northernc.on.ca> for
755 * CROSSTABS didn't display value labels for column and row
756 variables. Thanks to Walter M. Gray <graywm@northernc.on.ca> for
759 * WRITE didn't write line ends. Fixed. Thanks to Dr. Dirk Melcher
760 <BZN-mdksh@t-online.de> for reporting this bug.
762 * MATCH FILES corrupted memory and dumped core on some syntax
765 * MATCH FILES should set numeric values not available to the
766 system-missing value, not to 0. Thanks to Dr. Dirk Melcher
767 <BZN-mdksh@t-online.de> for reporting this bug.
769 * KEEP didn't work properly on the SAVE procedure. Fixed. Thanks
770 to Ralf Geschke <ralf@kuerbis.org> for reporting this bug.
774 * Some systems didn't like the way open_file was coded. Thanks to
775 Hankin <hankin@rogue.consultco.com> for pointing this out.
777 * The SAVE procedure didn't save long string variables properly.
778 Fixed by this patch. Thanks to Hankin
779 <hankin@rogue.consultco.com> for this patch.
781 * Minor documentation fixes for MATCH FILES.
783 Version 0.2.2 changes since 0.2.1:
787 * Fix behavior of PRINT SPACE for negative arguments.
789 * Fix reading some unusual system files.
791 * Fix LIST problems with very long variables. Thanks to Hankin
792 <hankin@dunno.com> for this bug report.
794 * Fix problems with some string format specifiers.
796 * Fix use of $CASENUM in expressions. Thanks to Dirk Melcher
797 <BZN-mdksh@t-online.de> for reporting this bug.
799 * Additional DATA LIST FREE and DATA LIST LIST fixes. Thanks to
800 Hankin <hankin@dunno.com> again on this one.
802 * Sometimes you may encounter a PSPP script that has to be
803 interpreted in interactive mode. Now you can use the -i flag to
806 * Warnings for egcs 1.1.1 cleaned up. (However you'll get lots of
807 `unused variable' warnings under gcc 2.7.2.3, fixing this will
812 * The files in gmp need the internationalization directory in
813 their include path. Thanks to OKUJI Yoshinori
814 <okuji@kuicr.kyoto-u.ac.jp> for pointing this out.
816 Version 0.2.1 changes since 0.2.0:
820 * Remember to include examples/ directory in distribution :-)
822 * Fixed gmp compile problems for some non-i386 architectures.
823 Thanks to Hans Olav Eggestad <olav@jordforsk.nlh.no> and others
826 * DATA LIST FREE and DATA LIST LIST parsing of input files is now
827 matches the documented behavior exactly, and error messages are
828 more helpful. Thanks to Mark H. Wood <mwood@IUPUI.Edu>.
830 Version 0.2.0 changes since 0.1.0:
832 Procedures now implemented:
833 * CROSSTABS. Please see documentation for caveats.
835 Transformations and utilities now implemented:
838 * CLEAR TRANSFORMATIONS
839 * DISPLAY (all subcommands).
850 Support for input and output through pipes: "|command" and
851 "command|" filenames; support for special filenames "-", "stdin",
854 New command-line features:
855 * New option --testing-mode: Invoke heuristics to assist testing.
856 * New option --safer, -s: Don't allow certain unsafe operations.
857 * New option --command=CMD, -c CMD: Perform literal command CMD.
858 * rc file ~/.pspp/rc is executed before any other files.
859 * Now multiple syntax files can be specified.
861 Operator LAG is now implemented.
863 Added missing FILE subcommand to REREAD.
865 Table output manager completely rewritten.
867 Device configuration file syntax changed. You will need to
868 reinstall your `devices' file.
870 New output driver for HTML.
872 PostScript driver and prologue simplified.
874 Many bugs fixed. General source-code cleanup.
876 Added Texinfo documentation for:
877 * PSPP system file format
878 * PSPP portable file format
879 * How to write input for q2c parser generator
882 PSPP language is now fully documented. Please report any
883 inaccuracies or omissions in the documentation.
885 Changes for version 0.1.0:
887 First public release. For changes from unreleased development
888 versions, please see ONEWS.
890 ----------------------------------------------------------------------
891 Copyright information:
893 Permission is granted to anyone to make or distribute verbatim
894 copies of this document as received, in any medium, provided that
895 the copyright notice and this permission notice are preserved, thus
896 giving the recipient permission to redistribute in turn.
898 Permission is granted to distribute modified versions of this
899 document, or of portions of it, under the above conditions,
900 provided also that they carry prominent notices stating who last
904 version-control: never