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File tuxmath.changes of Package tuxmath (Revision 773026e731637efb62bebe619f0830ec)

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2009.Mar.06 (svn.debian.org/tux4kids - revision 929)
        Text drawing - SDL_extras revamp done, AFAIK - supports resetting of font
        sizes and run-time changing of fonts (new field added to options struct
        for current font name).

David Bruce <davidstuartbruce@gmail.com>

2009.Mar.04 (svn.debian.org/tux4kids - revision 922)
        Text drawing - implemented Set_SDL_Pango_Font_Size() in SDL_extras.c so
        that BlackOutline() e.g. now use the font size argument, albeit still with
        a slight hack.

David Bruce <davidstuartbruce@gmail.com>

2009.Mar.03 (svn.debian.org/tux4kids - revision 919)
        i18n - marking of some additional strings in campaign.c and credits.c for
        translation.

David Bruce <davidstuartbruce@gmail.com>

2009.Mar.03 (svn.debian.org/tux4kids - revision 918)
        Text drawing - all of text drawing now encapsulated within SDL_extras.
        Other code no longer has any SDL_ttf-specific data or includes. Tuxmath no
        longer depends on any specific fonts as long as SDL_Pango is available.

David Bruce <davidstuartbruce@gmail.com>

2009.Feb.28 
        Text drawing - as all of this is handled by functions within SDL_extras,
        there isn't any need for code elsewhere in the program to have to know 
        about TTF fonts - changed BlackOutline() to take int size parameter instead
        of a TTF_Font* parameter. With a little more work we can confine all mention
        of SDL_Pango/SDL_ttf to within SDL_extras. When this is done, we will not
        have any dependencies on specific fonts (or need to bundle them) whenever
        SDL_Pango is available.

David Bruce <davidstuartbruce@gmail.com>

2009.Feb.28 
        Build - added tuxmath.spec.in and tuxmath_preview.spec.in, which
        are processed by configure to give the corresponding specfiles.
        tuxmath.spec is for rpm packaging of official releases.  tuxmath_preview.spec
        generates rpm packages with "tuxmath_preview" as the title, but otherwise
        identical.

David Bruce <davidstuartbruce@gmail.com>

2009.Feb.17 (svn.debian.org/tux4kids - revision 892)
        Fix convert_utf filename in CMake build. Eliminate the last few
	warnings (David got almost all of them), so now tuxmath builds
	without any compiler warnings.

Tim Holy <holy@wustl.edu>

2009.Feb.15 (svn.debian.org/tux4kids - revision 889)
        build - moved linebreak-related code back to /linebreak, adjusted 
        autotools files. The code in /linebreak is now built as a static 
        library when using the autotools build.

David Bruce <davidstuartbruce@gmail.com>

2009.Feb.09 (svn.debian.org/tux4kids - revision 876)
        i18n - modified credits text slightly (replaced empty line
        strings "" with " ") because otherwise the wrapping text truncates
        the credits at the first blank line.

David Bruce <davidstuartbruce@gmail.com>

2009.Feb.06 (svn.debian.org/tux4kids - revision 873)
        Put two more strings in highscore.c under the domain of gettext.

Tim Holy <holy@wustl.edu>

2009.Feb.06 (svn.debian.org/tux4kids - revision 872)
        Add the facility to use translatable versions of "SCORE" and
	"WAVE".  To enable, define REPLACE_WAVESCORE upon compilation
	(disabled by default, because they don't look as nice).

Tim Holy <holy@wustl.edu>
	
2009.Feb.06 (svn.debian.org/tux4kids - revision 871)
	Moved linewrapping source files into main src directory and
	adjusted autotools files accordingly. Note - plan to combine most of
	the libgettextpo-derived files into one larger file to reduce clutter.

David Bruce <davidstuartbruce@gmail.com>
	
2009.Feb.04 (svn.debian.org/tux4kids - revision 869)
	Added algorithmic linewrapping to the code.  This should make life
	easier for the translators.
	This works with the CMake build. Needs to have the autotools build
	incorporated.

Tim Holy <holy@wustl.edu>
	
2009.Feb.01 (svn.debian.org/tux4kids - revision 860)
	Build - small changes to get the CMake build working with intl.
	This allows the OS X build to work.

Tim Holy <holy@wustl.edu>
	
2009.Jan.23 (svn.debian.org/tux4kids - revision 851)
Version 1.7.1
        Build - tuxmath.desktop and tuxmath.spec files incorporated into tarball.

Graphics - cloud.png cleaned up a bit.

David Bruce <davidstuartbruce@gmail.com>

2009.Jan.17 (svn.debian.org/tux4kids - revision 847)
        Code - background scaling and optimization in factoroids.c cleaned up,
          basically now uses LoadBothBkgds() from loaders.c which has the 
          optimizations incorporated into it.
        Graphics - new menu icon for "Factors" version of Factoroids.

David Bruce <davidstuartbruce@gmail.com>

2008.Dec.16 (svn.debian.org/tux4kids - revision 812)
        Code - some work on mathcards.c to check for indeterminate questions
          and to use the "comprehensive" method whenever multiple-operand
          questions are not needed, such as the "Math Command Training
          Academy" lessons. Fixed bug in add_all_valid() that was due to
          the end_of_list arg actually needing to be doubly indirect.

Lessons - updated all "Math Command Training Academy" lesson files
          to make sure all the needed parameters get reset properly between
          lessons.
        Graphics - new menu icons for "Factoroids" and "Fleet Missions"

David Bruce <davidstuartbruce@gmail.com>

2008.Dec.11 (svn.debian.org/tux4kids - revision 797)
	Add a "unit test" function, generate_lesson.c. See the file itself
	for compiling instructions.

Tim Holy <holy@wustl.edu>
2008.Dec.11 (svn.debian.org/tux4kids - revision 796)
	Initial file reorganization to separate SDL-related code from more
	infrastructural code. This is intended to allow us to create and
	compile stand-alone programs that test specific functions (e.g.,
	generating problems for specific lessons).

Tim Holy <holy@wustl.edu>
	
2008.Dec.08 (svn.debian.org/tux4kids - revision 788)
Version 1.7.0
        First post-Google Summer of Code release with numerous enhancements.
        The changelog was not kept updated very well over the summer, although
        most of the changes had descriptive commit messages in subversion.
        To summarize the most important changes and their contributors:
          - Fullscreen support at native resolution (Brendan Luchen).
          - Overhaul of mathcards question-generation code with support
            for multiple-operand questions (Brendan Luchen).
          - Turn-based multiplayer mode (Brendan Luchen).
          - Redo of Credits screen to allow i18n (Brendan Luchen).
          - Very humorous menu-screen Easter egg (Brendan Luchen).
          - Factoroids factor game activity (Jesus Mager, based on Bill
            Kendricks' "Vectoroids").
          - New Irish (Seanán Ó Coistín) and Turkish (Doruk Fisek)
            translations.
          - Several new menu icons.

David Bruce <davidstuartbruce@gmail.com>

2008.Oct.16 (svn.debian.org/tux4kids - revision 763)
	Credits: 
          Changed Tim Holy's listing from "Additional Code" to "Lead
          Programmer" to better acknowledge his major role over the last
          year.

David Bruce <davidstuartbruce@gmail.com>

2008.Oct.14 (svn.debian.org/tux4kids - revision 761)
	i18n:
          Added Irish translation courtesy of Seanán Ó Coistín <seananoc@gmail.com>

David Bruce <davidstuartbruce@gmail.com>

2008.Aug.15 (svn.debian.org/tux4kids - revision 627)
	Added SDL_rotozoom to the sources, from the SDL_gfx library.
	
	Also note: most of the summer of code contributions have been
	added, but this is not well-reflected in the changelog.

Tim Holy

2008.June.19 (svn.debian.org/tux4kids - revision 537)
      Code:
        Tweaked menu locations for larger screens and fixed a number of
	issues redrawing upon returning to the menu from a game.

Brendan Luchen

2008.June.14 (svn.debian.org/tux4kids - revision 521)
      Graphics:
        New 1280x1024 versions of background images (from Debian Etch at
        /usr/share/pixmaps/backgrounds/cosmos/*.jpg - these are public
        domain astrophotographs released by NASA). The four older, GIMP-
        drawn backgrounds have been removed.

David Bruce <davidstuartbruce@gmail.com>

2008.June.14 (svn.debian.org/tux4kids - revision 518)
      Graphics:
        Got zoom() working - made pixels.c its own file instead of having
        putpixel??() and getpixel??() in SDL_extras.c. (basically, the
        compiler.h file from TuxPaint was needed. Also added LoadBkgd() 
        wrapper function for IMG_Load() that automatically rescales image
        to screen size - should use this as replacement wherever backgrounds
        need to be drawn.

David Bruce <davidstuartbruce@gmail.com>

2008.April-May (svn.debian.org/tux4kids - revision 501)
Version 1.6.3
	Build:
	 Create a CMake build, including support for internationalization
	 (builds the intl directory on Mac OS X) and SDL_Pango. This also
	 builds a .dmg on Mac OS X.
	Code:
	 Fix pointer bug in mathcards when initializing with wrong questions.
	 Fix a number of compiler warnings.
      i18n:
        Added po files for many languages from Ubuntu's Launchpad

Tim Holy <holy@wustl.edu>
	
2008.May.05 (svn.debian.org/tux4kids - revision 477)
        Code:
	  SDL_Pango support for right-to-left languages 
	
	Contributed by Ahmed Sayed <ahmad.ahmadsayed@gmail.com>
	Checked in on Ahmed's behalf by Tim Holy

2008.Apr.26 (svn.debian.org/tux4kids - revision 471)
Version 1.6.2
      i18n:
        Added Spanish translation (contributed by
        Angela Ruiz <angieruiz211@hotmail.com>

David Bruce <dbruce@tampabay.rr.com>

2008.Feb.23 (svn.debian.org/tux4kids - revision 435)
      code:
        Added some additional pointer checks to cleanup() in setup.c
        to fix segfaults when exiting due to window close events, as
        cleanup() gets called twice in that code path and we were
        getting double free() errors.

David Bruce <dbruce@tampabay.rr.com>

2008.Feb.12 (svn.debian.org/tux4kids - revision 427)
      i18n:
	Added updated Hungarian translation (contributed by Mikl�s
	Mer�nyi) that includes the help text strings

Committed by Tim Holy <holy@wustl.edu>      
	
2008.Feb.06 (svn.debian.org/tux4kids - revision 426)
      i18n:
        Added Swedish translation (contributed by
        Daniel Nylander <po@danielnylander.se>)

Small syntax fix in game.c to correct error detected while
        building for BeOS (thanks Luc Schrivers)

David Bruce <dbruce@tampabay.rr.com>

2008.Feb.05 (svn.debian.org/tux4kids - revision 424)
      i18n:
        Added Hungarian translation (contributed by
        Merenyi Miklos <mermik@freemail.hu>)

Added src/game.c to po/POTFILES.in so help strings will appear in
        tuxmath.pot for translation.

David Bruce <dbruce@tampabay.rr.com>

2008.Jan.30 (svn.debian.org/tux4kids - revision 418)
Version 1.6.1
      Docs:
        Updating of changelog, README.txt, INSTALL.txt to reflect recent work -
        no code changes beyond what is listed below.

David Bruce <dbruce@tampabay.rr.com>

2008.Jan.26 (svn.debian.org/tux4kids - revision 410)
      Build:
        After a few minor modifications, tuxmath now builds and installs on
        MacOSX Leopard with "./configure; make; sudo make install", including
        functioning gettext!

The build environment needs current versions of gettext,
        libiconv, and all the SDL* libs.  Also, it needs newer versions of
        the autotools than are currently in either Fink or Leopard itself - 
        not exactly trivial.

The alterations to tuxmath consisted of testing for the presence of
        error.h in autoconf, and implementing Tim's workaround (suggested for
        BeOS) if not found - this should also fix the BeOS issue.
 
      David Bruce <dbruce@tampabay.rr.com>

2008.Jan.02 (svn.debian.org/tux4kids - revision 405)
      Code:
        A little more refinement of randomize_list() - now just
        rearranges pointers to existing nodes rather than allocating
        new list and deleting old one. Sort time for full Ace list (~16,000 
        questions) has gone from over 7 sec to 0.012 sec! (on 3.2 GHz P4)
        Even on much slower machines in schools, expect this will be quick enough. 
	
      David Bruce <dbruce@tampabay.rr.com>

2008.Jan.02 (svn.debian.org/tux4kids - revision 402)
      Build:
        New files scandir.h, .c with better cross-platform scandir()
        and alphasort().  New code is from Hatari project at SF.net.
        Thanks to Thomas Huth <thothy@users.sourceforge.net> - dev/maintainer
        of Hatari project, and to contributers to that project.

Better use of autoconf to detect need for replacement functions
        like this when building on various platforms.
	
      David Bruce <dbruce@tampabay.rr.com>

2007.Dec.31 (svn.debian.org/tux4kids - revision 397)
      Code:
	Add some additional reporting about student progress: a log.csv
	file that contains a brief (one-line) summary of every game
	played.  This file organization is chosen to make it easy to
	import the data into a spreadsheet program.

Tim Holy <holy@wustl.edu>

2007.Dec.30 (svn.debian.org/tux4kids - revision 396)
    Bug fixes:
      fileops.c: homedir setting in read_config_file lacked a closedir,
        resulting in a memory leak.
      fileops.c: write_postgame_summary did not close the file after
        appending, resulting in the summary sometimes never being
        "flushed" (some summary files have just been truncated).
      mathcards.c: new_randomize_list did not set the "previous" field of
        each node, resulting in memory corruption & drawing glitches
      mathcards.c: free tmp_vect (fixes memory leak)

New feature:
      mathcards & game & fileops: collect data on the amount of time each
        problem is on the screen, and report the median in the game
        summary files.

Tim Holy <holy@wustl.edu>
	
2007.Dec.26 (svn.debian.org/tux4kids - revision 394)
    Code:
      * More bugfixing in the new login system: now the system seems to
	work if the homedir is specified in the global configuration file,
	and in a multiuser setup file permissions are set to be
	unrestrictive (so that a user can modify his/her own files no
	matter how he/she is logged in).
	
    Tim Holy <holy@wustl.edu>

2007.Dec.24 (svn.debian.org/tux4kids - revision 382-392)
    Code:
      * Fix bugs that came with the new login system, including: fix
	re-reading of highscores table, and several Valgrind-detected
	memory leaks in the string processing associate with the login
	system.
      * Add the gettext macro in front of the help strings so they can
	be internationalized (does it work?)
    Documentation:
      * Add documentation on tuxmathadmin in the README.txt file.
	
	Tim Holy <holy@wustl.edu>

2007.Dec.18 (svn.debian.org/tux4kids -?)
Version 1.6.0
  Build:
    * Successful crossbuild for Windows with functioning gettext. The
      significant change within tuxmath was elimination of the use of
      libgw32c.a - most of work was building mingw environment and all
      needed libs from source with rigorous attention to documentation
      and help from autotools, mingw, and gettext mailing lists.
      David Bruce <dbruce@tampabay.rr.com>

2007.Dec.07 (svn.debian.org/tux4kids - revision 359)
Version 1.5.9
      David Bruce <dbruce@tampabay.rr.com>

2007.Dec.07 (svn.debian.org/tux4kids - revision 357)
  i18n:
      * Added French po file - contributed by:
       Luc Schrijvers <Begasus@skynet.be>

2007.Dec.05 (svn.debian.org/tux4kids - revision 354)
  Build:
    * Improvement of Makefile.am code for Windows crossbuild to make
      better use of autotools.
    * Addition of tux4kids/tuxmath/people/dbruce/tuxmath_dll directory
      to make it easier for others to set up crossbuild - intention is 
      to have entire cross-compile setup managed by svn.

David Bruce <dbruce@tampabay.rr.com>

2007.Dec.03 (svn.debian.org/tux4kids - revision 353)
  Options:
    * Added global config file support for specifying a home directory
      (tree) location.
  Game:
    * Allow users to share a single high score file.
	
      Tim Holy <holy@wustl.edu>

2007.Dec.02 (svn.debian.org/tux4kids - revision 350)
  Options:
      * Reworked the user login to make it more robust and
	user-friendly.  This version should be pretty generally usable.
	
      Tim Holy <holy@wustl.edu>

2007.Nov.26 (svn.debian.org/tux4kids - revision 342)
  Options:
      * Added support for user login. This should be helpful in school
	settings where all students log in with the same username.  See
	the README for details.

Tim Holy <holy@wustl.edu>
	
2007.Nov.18 (svn.debian.org/tux4kids - revision 327)

Build:
      * Changed name of "docs" to more standard "doc";
      fixed doc/Makefile.am so that files go under 
      "$(prefix)/share/doc/" rather than "$(prefix)/doc/"

David Bruce <dbruce@tampabay.rr.com>

2007.Nov.15 (svn.debian.org/tux4kids - revision 322)
Version 1.5.8
  i18n:
      * Added Dutch po file - contributed by:
       Luc Schrijvers <Begasus@skynet.be>

Build:
      * Started work on gettext for Windows - removed
      #ifdef WIN32 statements, program builds and runs
      without errors but the crossbuild doesn't yet include
      the .mo translation files.

David Bruce <dbruce@tampabay.rr.com>

2007.Nov.15 (svn.debian.org/tux4kids - revision 320)
  Graphics:
      * Added a new function "Blend" to composite two images with transparency
  Game:
      * Use Blend to smooth out the animation of the rebuilding igloos
	
      Tim Holy <holy@pcg.wustl.edu>

2007.Nov.11 (svn.debian.org/tux4kids - revision 319)
Version 1.5.8
  i18n:
      * Added Czech po file - contributed by:
      Jaroslav Krejčí <krejci@zstenis.com>

Graphics:
      * Minor tweak of "janitor penguin" sprite files to tone down glare
      David Bruce <dbruce@tampabay.rr.com>

2007.Nov.11 (svn.debian.org/tux4kids - revision 316)

Build:
      * Gettext again works properly, AFAICT (was broken in 1.5.6 and 1.5.7). Much 
        thanks to Gettext maintainer Bruno Haible for helpful correspondence! The intl
        directory is now included in preparation of trying to get gettext working on
        Windows - nothing done on that yet.  I think we can start adding as many po
        files as we can get.
      * Some more removal of dead code and unused variables.

David Bruce <dbruce@tampabay.rr.com>

2007.Oct.30 (svn.debian.org/tux4kids - revision 311)

Code:
      * Uncrufting! - eliminated tuxtype_playsound(), moved playsound() to audio.c,
        and removed playsound.c and .h; eliminated alphabet.c; moved DarkenScreen()
        to SDL_extras.c and eliminated pause.c; moved SwitchScreenMode() to SDL_extras.c.
  Graphics:
      * Change to using 32 bits/pixel, however all functions that need this info now
        use PIXEL_BITS #define'd in tuxmath.h - recompiling for 16 BPP only requires
        changing this def (confirmed that both settings work, at least in Linux).
      David Bruce <dbruce@tampabay.rr.com>

2007.Oct.29 (svn.debian.org/tux4kids - revision 310)

Version 1.5.7

Build:
      * Implementation of proper "install" and "uninstall" targets in
        the Makefile.am's, replacing some old quick-and-dirty hackery.
      * gettext/po/intl needs testing.
  Code:
      * Removal of numerous unused image files as well as unused code
        in options.c (old options system), savings ~400 KB.
  Graphics:
      * Rest of sprites updated to "crystal" look.
  Game:
      * Inactivated mouse warping in menus (at least for now) - the
        users I've tested it on find the warping to be unexpected and
        confusing.

David Bruce <dbruce@tampabay.rr.com>

2007.Oct.19 (svn.debian.org/tux4kids - revision 306)

Build:
      * More gettext/po/intl work (in progress)
  Game:
      * Implementation of "gold stars" - the game keeps track of what
        lessons have been successfully completed and displays a gold
        star icon for completed lessons, with a grayed-out icon for lessons
        that have not been completed.
      * Fix of a bug in the menu code causing unintended exiting of the
        game.
  Graphics:
      * Most of sprites revised to have a more uniform and modern shiny/
      "crystal" look - remainder to be finished shortly.

David Bruce <dbruce@tampabay.rr.com>

2007.Oct.19 (svn.debian.org/tux4kids - revision 303)

Build:
      * Work on gettext-related stuff - hope to get i18n supported on all
        platforms (in progress)

David Bruce <dbruce@tampabay.rr.com>

2007.Oct.12 (svn.debian.org/tux4kids - revision 298)
  Options:
      * Added material in "Project Info" and (temporarily) removed the
	Settings menu.  This removes the last menu entries that result in
	"Work In Progress."  The thought is that it will make the
	application seem more polished to only have entries that do what
	they advertise.  We can restore the Settings entry when the code is
	ready.
      Tim Holy <holy@wustl.edu>

2007.Oct.12 (svn.debian.org/tux4kids - revision 297)
  Options:
      * Redesigned the help to make it more interactive.
      Tim Holy <holy@wustl.edu>

2007.Oct.10 (svn.debian.org/tux4kids - revision 294)
  Graphics:
      * Added a help menu sprite. The help screen will probably be
	redesigned to give users more control over the pace of the help.
      Tim Holy <holy@wustl.edu>

2007.Oct.09 (svn.debian.org/tux4kids - revision 293)
  Build:
      * Merged in code to allow build under BeOS/Zeta - implementations
      of scandir() and alphasort() originally contributed to ARAnYm 
      project under GPLv2 - code written by:

Milan Jurik <M.Jurik xylab.cz>

and made into a patch for TuxMath by:

Luc Schrijvers <Begasus@skynet.be>

2007.Oct.09 (svn.debian.org/tux4kids - revision 291)
  Docs:
      * Added license notice for Andika font to 
        README_DATA_LICENSES.TXT as well as including full license text
        for the Open Font License 1.1 as "OFL.txt" under docs.

David Bruce <dbruce@tampabay.rr.com>

2007.Oct.09 (svn.debian.org/tux4kids - revision 290)
  Build:
      * Ran Autoconf's "autoupdate" util to update configure.ac and 
        the m4 macros to work properly with the current version (1.10)
        of Automake (hope this doesn't break things for those using
        automake 1.9.6).

David Bruce <dbruce@tampabay.rr.com>

2007.Oct.09 (svn.debian.org/tux4kids - revision 289)
  Options:
      * Start of "real" help for tuxmath. I've tried to keep the text
	simple for early readers, but I imagine this could be improved.
	Needs a help sprite in the menu.

Tim Holy <holy@wustl.edu>
	
	
2007.Oct.03 (svn.debian.org/tux4kids - revision 283)
  Version 1.5.5
  Code:
      * One-liner bug fix in mathcards.c for rare segfaults during
        problem list generation (thanks to Tim Holy's test program
        for mathcards).
      * Elimination of "evil" macros in titlescreen.h.

David Bruce <dbruce@tampabay.rr.com>

2007.Sep.28 (svn.debian.org/tux4kids - revision 279)
  Code:
      * Completed the transition in TitleScreen to using a generic
	menu-traversal function, choose_menu_item.  All the menus have
	been transitioned over to the new code.  This version fixes a
	couple of minor visual glitches, slightly enhances consistency
	across menus, and may fix a bug in the mouse-handling code.  But
	by and large the main effort has been to replicate the previous
	behavior using only a single menu-traversal function.  It has
	been tested for memory leaks with valgrind (none found).

Tim Holy <holy@wustl.edu>

2007.Sep.28 (svn.debian.org/tux4kids - revision 277)
  Game:
    * Completed implementation of high score table and 
      reorganized related code into highscore.c/h.
  Code:
    * Re-implemented DrawButton in more flexible, 
      generalized, and basically correct fashion - now
      supports drawing of nice rounded rectangles with
      any size, corner radius, RGB color, and alpha
      channel.
    * Added ConvertUTF.c/.h from Unicode, Inc to support
      conversions between UTF-8 and wchar_t.
    
      David Bruce <dbruce@tampabay.rr.com>

2007.Sep.18 (svn.debian.org/tux4kids - revision 260)
  Build:
    * Modified Makefile.am and data/fonts/Makefile.am to
      support building dist tarball either with font
      bundled (make dist_with_fonts) or without font
      (make dist). Added Andika font to svn.
    
      David Bruce <dbruce@tampabay.rr.com>

2007.Sep.08 (svn.debian.org/tux4kids - revision 233)
  Code:
    * Added replacement function for scandir() (called
      "w32_scandir() ) because scandir isn't available
      under Windows - or at least isn't supported by
      mingw32.

David Bruce <dbruce@tampabay.rr.com>

2007.Sep.07 (svn.debian.org/tux4kids - revision 231)
  Version 1.5.4

Build:
    * Renamed configure.in to configure.ac as is now preferred.
    * Removed autogen.sh as autoreconf is preferred.
  Game:
    * Added lesson for "Subtraction 0-20"
      (data/missions/lessons/lesson08.1)
    * Added hackery to load_default_font() to get it to load
      "/usr/share/fonts/truetype/ttf-sil-andika/AndikaDesRevG.ttf"
      (Debian font location) if font not found under data path.
    * Fixed minor problem with screen redrawing for "Custom Game".
    * Setup now tries to write user config file (using default
      settings) if user config file not found, e.g.  when the
      game is run for the first time by that user.

David Bruce <dbruce@tampabay.rr.com>

2007.Aug.27 (svn.debian.org/tux4kids - revision 215)

Code:
    * Changed arrays in game.c to dynamic allocation, fixed a
      crashing bug related to array bounds violation.
  Game:
    * Fix of "Custom Game" option to enable play based on user's
      options file, also added on-screen explanatory text.

Tim Holy <holy@wustl.edu>

2007.Aug.23 (svn.debian.org/tux4kids - revision 212)
  Version 1.5.3

Build:
    * Fixes in images/Makefile.am and image/tux/Makefile.am - some
      files had been left off EXTRA_DIST list leading to incomplete
      installation with 1.5.2 tar.gz.

David Bruce <dbruce@tampabay.rr.com>

2007.Aug.21 (svn.debian.org/tux4kids - revision 211)
  Version 1.5.2

Build:
    * Doc updates
    * Fixes in top-level Makefile.am - "make distcheck" now
      succeeds without errors, "make uninstall" removes data and *.mo
      files properly.

David Bruce <dbruce@tampabay.rr.com>

2007.Aug.21 (svn.debian.org/tux4kids - revision 207)
  Game:
    * Fix audio system: clean up properly on exit, more robust handling
      of the availability of audio hardware, respect --nosound command line
      parameter setting.
    * Got demo mode working again
  Options:
    * Fix memory leak in parsing options files

Tim Holy <holy@wustl.edu>

2007.Aug.19 (svn.debian.org/tux4kids - revision 199)
  Build: 
    * fix a path in Makefile.am for installing the locales

Holger Levsen (holger@layer-acht.org)

2007.Apr.29 (svn.debian.org/tux4kids - revision 174)
  Build:
    * Makefile.am files added to all directories with EXTRA_DIST
      lists to get "make dist" to generate a working tarball.  It
      now seems to work correctly, although "make distcheck" fails
      because msgfmt cannot find the locales to generate the .mo
      files while doing the test install (a real "make install"
      works correctly, at least on my system).

David Bruce <dbruce@tampabay.rr.com>

2007.Apr.11 
  Version 1.5.1

Game:
    * Enabled play of custom game based on user's option file.
  Graphics:
    * Tweaked black_outline() slightly to improve font appearance.
  Docs:
    * Updated changelog, README.txt, INSTALL.txt.

David Bruce <dbruce@tampabay.rr.com>

2007.Apr.09 (svn.debian.org/tux4kids - revision 150)
  Game:
    * Fixed lesson order bug - code now explicitly sorts the
      lesson files by alphabetical order of filenames.

David Bruce <dbruce@tampabay.rr.com>

2007.Apr.07 (svn.debian.org/tux4kids - revision 149)
  Game:
    * Partially implemented high-score table in place (no support
      yet for player to put in own name).
    * Font rendering addressed - black_outline() now works as
      intended (perhaps appearance can be improved).

David Bruce <dbruce@tampabay.rr.com>

2007.Mar.15 (svn.debian.org/tux4kids - revision ??? & ???)
  Build:
    * First revision adds Xcode building for MacOSX
    * Second commit removes the earlier (incomplete) approach to a
      UNIX-style build. (This was abandoned mainly for reasons of
      building Universal Binaries---the SDL Frameworks supposedly
      only work with Xcode)
	
      Tim Holy < holy at wustl period edu >
	
2007.Mar.08  (svn.debian.org/tux4kids - revision 125)
  Game:
    * High scores now saved to and read from file, not yet
      visible to game player.
    * svn repository move completed.

David Bruce <dbruce@tampabay.rr.com>

2007.Mar.05  (https://svn.tux4kids.net/tuxmath/ - revision 75)
  Code:
    * Most of tuxtype-derived code now using functions in
      fileops.c to load - trying to make this more consistent
      and unified. Fixes problems finding data files on some
      Windows machines.
    * Beginning of audit of all pointers to prevent segfaults and
      other memory management errors.
  Game:
    * Data structures and several functions in place for high score
      lists (nothing user-visible yet).

Last commit at svn.tux4kids.net before move to Alioth.

David Bruce <dbruce@tampabay.rr.com>

2007.Feb.12  (https://svn.tux4kids.net/tuxmath/ - revision 74)
  Code:
    * Fixed MC_FORMULA_LEN bug causing long comet strings to
      drop last character.
    * Added new fields to game_options (bonus_comet_interval,
      bonus_speed_ratio) with relevant support functions.
    * Further implementation and cleanup of new menus.
      David Bruce <dbruce@tampabay.rr.com>

Game:
    * Implementation of bonus comets that cause an igloo to
      be rebuilt.
      Tim Holy <holy@wustl.edu>
    * Many additional lesson files.
      David Bruce <dbruce@tampabay.rr.com>

Build:
    * Andika font now default, included under data/fonts.
      Karl Ove Hufthammer <karl@huftis.org>

2007.Jan.31 (https://svn.tux4kids.net/tuxmath/ - revision 72)
  Game/Graphics:
    * New graphics in which Tux protects igloo-dwelling
      penguins rather than cities. The older "city" mode still
      works and is selectable via the config file.
    * Restoration of lost igloo after each two waves.

Tim Holy <holy@wustl.edu>

2007.Jan.24 (https://svn.tux4kids.net/tuxmath/ - revision 69)
  Options:
    * More progress on new menu system, generally works
      correctly to extent that things have been implemented.
      More 'lesson' files added, now up through addition and
      subtraction of two-digit positive numbers.
  Game:
    * "Typing Tutor" mode added for kids just beginning to 
      use the keyboard.

New menu still "alpha" - would not suggest packaging
      for Debian yet.

David Bruce <dbruce@tampabay.rr.com>

2007.Jan.12 (https://svn.tux4kids.net/tuxmath/ - revision 67)
  Options:
    * Overhaul of menu system well underway, suitable for
      alpha/developer preview status.  New menus prominently
      feature a series of prepared "lessons" to be completed,
      as well as arcade-style settings of varying difficulty
      that will ultimately be used to compete for high scores.
      New menus are basically functional but far from complete.
  Graphics:
    * Several very nice space-themed backgrounds adapted from
      "cosmos" backgrounds directory in Gnome, which I believe
      should be OK from licensing standpoint.
  Code:
    * Bugfix - question_copies parameter now handled correctly
      in read_config_file().

David Bruce <dbruce@tampabay.rr.com>

2006.Dec.07 (https://svn.tux4kids.net/tuxmath/ - revision 65)
  Options:
    * Several files brought in from tuxtype as part of overhaul
      of titlescreen and menu system: titlescreen.h (header for
      all of tuxtype-derived files), titlescreen.c, loaders.c,
      audio.c, gettext.c, alphabet.c, pause.c, theme.c.  The
      program again compiles and runs, but none of the new code
      is actually used yet.  Still under heavy construction.
  Build:
    * SDL_ttf now needed to build program, although the code
      that actually uses fonts is not yet active.

David Bruce <dbruce@tampabay.rr.com>

2006.Nov.17  (https://svn.tux4kids.net/tuxmath/ - revision 61)
  Version 1.0.2

Build:
    * Support for native MacOSX build (G4-PPC, OSX 10.4) - now 
      has "macapp" target in Makefile.

Tim Holy <holy@wustl.edu>

2006.Nov.17  (https://svn.tux4kids.net/tuxmath/ - revision 58)
  Version 1.0.1

Game:
    * Two simple bugfixes for config file input not setting
      the correct parameter.
    * Minor updates to docs.

David Bruce <dbruce@tampabay.rr.com>

2006.Oct.31 (https://svn.tux4kids.net/tuxmath/ - revision 54)
  Version 1.0

Docs:
    * Updated changelog, README.txt, INSTALL.txt, TODO.txt.

2006.Oct.30 (https://svn.tux4kids.net/tuxmath/ - revision 53)
  Version 0.98

Code:
    * Minor bug fix to prevent the game from asking questions
      with an indeterminate answer (i.e. 0 / ? = 0).
      David Bruce <dbruce@tampabay.rr.com>

2006.Oct.20

Build:
    * More support for Windows crossbuild under linux added
      to svn, including cross-configure.sh and cross-make.sh 
      scripts and minor changes to configure.in and Makefile.am
      when building for Windows.
  Code:
    * game_options struct now has complete set of accessor
      functions with sanity checks to keep impossible values
      from getting read in from config files.  This is in
      options.c. This fixes several ways in which the program
      could previously be crashed, and also cleans up 
      read_config_file() as it no longer needs to do any
      sanity testing.

2006.Oct.07 (https://svn.tux4kids.net/tuxmath/ - revision 48)
  Version 0.97 final

Build:
    * removed icon* from Makefile.am as its included in data

Holger Levsen <debian@layer-acht.org>

2006.Oct.07 (https://svn.tux4kids.net/tuxmath/ - revision 47)

Build:
    * Many files needed for build using autotools added to svn
      that I previously left out by accident.
    * autogen.sh added, now build and install under *nix using:
         ./autogen.h && ./configure && make && make install
    * make install no longer copies .svn files into data dir

2006.Sep.29 (https://svn.tux4kids.net/tuxmath/ - revision 28)
  Version 0.97

Build:
    * Successful Windows XP build including all current features,
      config file handling, game summaries.
    * Build system changed to autoconf/automake. fileops.h/fileops.c
      changed to accomodate cross-platform build. Under Linux/Unix,
      now install with ./configure && make && make install.

Yves Combe <yves@ycombe.net>

2006.Sep.22 (https://svn.tux4kids.net/tuxmath/ - revision 27)
  Version 0.96
  
  Game:
    * Tuxmath now saves summaries of the last ten games in
      the player's .tuxmath directory. They are rotated out,
      with the oldest discarded each time. The summaries
      include the starting question list, a list of all
      missed questions, and the numbers of correct and 
      incorrect answers with percent correct.
      David Bruce <dbruce@tampabay.rr.com>

2006.Sep.18 (https://svn.tux4kids.net/tuxmath/ - revision 26)
  Version 0.95

Setup:
    * Config file output cleaned up with better organization
      and better comments.
  Game:
    * Feedback system implemented to dynamically adjust comet
      speed based on player performance.
      Tim Holy <holy@wustl.edu>
  Code:
    * Fixed bug causing crash if max_comets set too high.
      Tim Holy <holy@wustl.edu>
    * Fixed bug causing crash due to SDL_FreeSurface() being
      called twice on same pointer in certain code path.
      David Bruce <dbruce@tampabay.rr.com>

2006.Sep.03 (https://svn.tux4kids.net/tuxmath/ - revision 22)
  Version 0.94

Setup:
    * Math question formats (answer last, answer first, etc.)
      are now set independently for each math operation, e.g.
      "format_add_answer_last", etc.
  Code:
    * Mathcards now prints questions in same format as what
      appears in game (e.g. "2 + 2 = ?").  So far this is 
      only used for debugging output, but soon tuxmath will
      save lists of questions asked and questions missed to 
      files for post-game review.
      David Bruce <dbruce@tampabay.rr.com>

2006.Sep.03 (https://svn.tux4kids.net/tuxmath/ - revision 21)
  Version 0.93

Code:
    * config.h/c now called fileops.h/c and all code related to
      file operations contained here (config files as well as
      loading of image and sound data files). Both images.h and 
      sound.h have been incorporated into fileops.h. Idea is to
      have only one place for OS-specific code, if possible.
    * setup() split into several smaller functions.
    * If a sound file cannot be loaded, the program continues 
      without sound rather than exiting. Bug fixed that caused 
      this to turn off sound for subsequent games (thanks Tim Holy).
    * All global data now extern'd in same place in tuxmath.h.
  Setup:
    * Better handling of config files.  Program now creates 
      .tuxmath directory in user's home, config file is in this
      directory and is called "options".  Global config file
      located in new "missions" folder in program data (this 
      will change to something under /etc or /usr/local/etc when
      I have studied FHS and makefiles more).
    * Added "--optionfile filename" command-line arg (thanks Yves
      Combe for suggestion) - program will look for 'filename' in
      several locations including as absolute path.
  Docs:
    * Updates to changelog and TODO.txt; update to usage();
      David Bruce <dbruce@tampabay.rr.com>

2006.Aug.22 (https://svn.tux4kids.net/tuxmath/ - revision 20)
  Version 0.92

Code:
    * Patch to allow program to exit more gracefully
      if unable to load data files - primarily, the screen 
      resolution goes back to normal instead of staying at
      640x480.
      David Yoder <hobie20dude@gmail.com>

2006.Aug.13 (https://svn.tux4kids.net/tuxmath/ - revision 19)
  Version 0.91

Code:
    * Fixed embarrassing bug in revision 18/version 0.9 that 
      caused program to crash with segmentation fault if 
      TUXMATH_DEBUG disabled (which was how it was committed).
      :^(
      David Bruce <dbruce@tampabay.rr.com>

2006.Aug.11 (https://svn.tux4kids.net/tuxmath/ - revision 18)
  Version 0.9

Setup:
    * Tuxmath now reads and writes all settings to disc in human-
      readable form. The first time it is run by each user, it
      creates a config file (called .tuxmath for now) in the user's
      home directory  The settings are initially set to hard-coded
      defaults, then overridden as needed by a master config file
      (for now located in DATA_PREFIX i.e. /usr/local/share/tuxmath),
      then overridden if desired by the user's own config file.
      The settings are saved from game to game if the file is left
      unchanged.  Any text editor can be used to modify the settings.
      The config file contains extensive comments documenting
      all settings.  Complete control over program behavior is now
      available without recompiling.
    * tuxmath -h output updated with prominent notice that config
      file now being used.
  Game:
    * By default the game now plays through the question list and 
      ends with "Victory" when all questions correctly answered.
    * game.c now handles 'slow_after_wrong' and other comet and speed
      settings correctly.
    * title screen has shortcuts 'P' for Play, 'O' for Options, etc.
  Code:
    * names of some of settings in game_options and math_options
      structs changed to more intuitive/descriptive ones.
  Docs:
    * Updates to README.txt and TODO.txt
      David Bruce <dbruce@tampabay.rr.com>

2006.Jun.17 (https://svn.tux4kids.net/tuxmath/ - revision 10)
  Docs:
    * Updates to README.txt and TODO.txt.
    * Version designated as 0.8 in README.txt, tuxmath.h, and Makefile.

David Bruce <dbruce@tampabay.rr.com>

2006.Jun.12 (https://svn.tux4kids.net/tuxmath/ - revision 9)
  Game:
    * Command-line argument added to allow ending the game with
      "victory" when all questions in the defined list have been
      successfully answered.
    * Counter of remaining questions added to upper center of screen
      when operating in "defined list" mode.
    * LED numbers now display in "monitor" added to Tux's console
      when "defined list" mode selected".
    * Drawing of math question formulas overhauled, with support
      for display of negatives (e.g. 2 x -3 = ?). The program supports
      negative numbers for limits of question ranges, but for now
      this must be selected at compile time.
    * Support for questions formatted like ? + 2 = 4 and 2 + ? = 4, 
      in addition to default format (2 + 2 = ?).
    * Command-line options to select from the three question formats.

David Bruce <dbruce@tampabay.rr.com>

2006.May.16 (https://svn.tux4kids.net/tuxmath/ - revision 8)
  Code:
    * Major changes to internal workings of program. Everything 
      related to generation of math questions is now handled by
      a backend called MathCards, which generates question lists
      based on parameters in a struct called math_opts. MathCards
      is (obviously) contained in two new files, mathcards.h and
      mathcards.c.  For now, many options can only be set at 
      compile time by changing the defaults in mathcards.h. 
      MathCards allows fine-grained control of the questions to
      be asked, and allows the player to "win" if all of the
      questions in the list are answered while the cities are
      still alive.  By default, game behavior is unchanged from
      previously.
    * Main game() function in game.c has been split into several
      smaller functions; updated to use MathCards. 
    * Options() updated to use MathCards.
  Game:
    * demo mode now handles negative answers properly.

Note: the code contains many FIXMEs and TODOs and should be
      tested more before being packaged for a distribution.
      I would describe revision 8 as a developer or alpha release.

David Bruce <dbruce@tampabay.rr.com>

2006.Mar.8 (https://svn.tux4kids.net/tuxmath/ - revision 7)
  Setup:
    * updated usage() to include all command-line options
  Credits:
    * updated credits to include more recent contributions
  Code:
    * added tuxmath.h containing the global structs math_options
      and game_options as well as defaults for all values.
      Goal is to have one place to look for all global data.
      David Bruce <dbruce@tampabay.rr.com>

2006.Mar.1 (https://svn.tux4kids.net/tuxmath/ - revision 6)
  Game:
    * Added support for negative subtraction answers.
      Updated LED drawing to include negative sign.
      Updated on-screen keypad to include '+' and '-'. 
      David Bruce <dbruce@tampabay.rr.com>

2006.Feb.18 (https://svn.tux4kids.net/tuxmath/ - revision 5)
  Options:
    * Added mouse support to Options screen
      David Bruce <dbruce@tampabay.rr.com>

2006.Feb.14 (https://svn.tux4kids.net/tuxmath/ - revision 4)
  Options:
    * Added speed control to Options screen
      Yves Combe <yves@ycombe.net>

2006.Feb.7 (https://svn.tux4kids.net/tuxmath/ - revision 3)
  Options:
    * Fixed minor deadlock bug if all operations deselected
      David Bruce <dbruce@tampabay.rr.com>

2005.Mar.7
  Interface:
    * Added sound effects to Options screen.
    
    * Comets 'sizzle' when you shoot them.
      Glen Ditchfield <gjditchfield@acm.org>

* Correct answer is displayed when a comet hits a city.
      Glen Ditchfield <gjditchfield@acm.org>

Game:
    * Kept first value in division questions from being huge.
    
    * Spread out comets in 'slow' mode.
      Glen Ditchfield <gjditchfield@acm.org>

Options:
    * Added basic "Maximum Answer" option.

Documentation:
    * Updated Credits screen some.

Build:
    * Makefile modifications ($OWNER).
      Donny Viszneki <smirk@thebuicksix.com>

* Compile options ("-g" for debugging, then strip)
      Glen Ditchfield <gjditchfield@acm.org>

* Tidier linkage (fewer multiply-included #define's)
      Glen Ditchfield <gjditchfield@acm.org>

* Created "uninstall" Makefile target.

2004.Feb.18
  Game:
    * Speed now depends on a speed setting, multiplied by the current wave #.
      Michael Behrisch <behrisch at users.sourceforge.net>
      
  Options:
    * Added "--speed" option to set initial game speed.
      Michael Behrisch <behrisch at users.sourceforge.net>

2003.Apr.5
  Interface:
    * Removed "Alpha Version" stamp from title screen.

Options:
    * Replaced info. screen with actual option-setting interface.

* Alternative command-line options available for operators.
      ("addition", along with "add",
       "subtraction", along with "subtract",
       "multiplication", along with "multiply", and
       "division" along with "divide")

Sound:
    * Increased audio buffer, so it's less choppy-sounding.

Documentation:
    * Updated Credits screen.

2001.Sep.14:
  Documentation:
    * Added more testers, and a "." character, to the credits display.

2001.Sep.7:
  Code:
    * On-screen keypad control was enabled even if keypad wasn't.  Fixed.

Game:
    * Slightly tweaked current equation-generation code to be more interesting.
      (Will eventually be based on options)

2001.Sep.6:
  Code:
    * Pause also pauses music
    * More attention is paid to "NOSOUND" compile-time define
      (you should now be able to build without SDL_mixer)

Interface:
    * In lieu of an option screen, a message asking for help in that
      aspect of the game design has been added.
    * Added "SCORE" and "WAVE" displays

Game:
    * Waves progress
    * Score accumulates
    * Game over at end of wave if all cities destroyed

Documentation:
    * INSTALL.txt fleshed out quite a bit.

Installation:
    * "install" target added to "makefile"

2001.Sep.4:
  Documentation:
    * Added copyright info. to the program ("--copyright")
    * Moved documentation into "docs/" subdirectory

2001.Sep.3:
  Code:
    * "#ifdef 0" in "src/game.c" replaced.

2001.Sep.2:
  Graphics:
    * Icon image ("icon.png") changed.

Documentation:
    * More added to "README.txt"

2001.Aug.31
  Interface:
    * Operators used in the game can be overridden ("--operator")
    * Mouse controls added to title screen
    * Added keyclick sound effect
    * Added an on-screen keyboard (eg, for touchscreens?)  ("--keypad")

Graphics:
    * Replaced spire with Tux at a console.
    * Added surface (land) to remaining background photos.
    * PNGs processed with "pngcrush" to make them smaller.
    * Comet explosion animation works right.  Also, numbers disappear.
    * Equations drawn after all comets drawn (to avoid covering them up)
    * LED digits spread apart
    * No-background mode draws faux-skyline (instead of black)
    * "DEMO" on title screen reduced

Code:
    * Keyboard event handling and demo mode stuff split up
    * Demo mode plays more like a regular player
    * FPS slowed down to max 15fps

2001.Aug.30
  Interface:
    * Details added to "--help" display.

Graphics:
    * Accidentally displayed "DEMO" on title screen even in normal mode. Fixed

2001.Aug.29  (Live, from LinuxWorld Expo!)
  Interface:
    * Added demo mode ("--demo" option)

2001.Aug.28
  Interface:
    * Command-line options added ("--help", "--version",
       "--nosound", "--fullscreen", "--usage", and "--nobackground")
    * Random backgrounds loaded (optional; use "--nobackground" to disable)
    * Replaced UFOs with comets
    * "Paused" text added to screen when game is paused
    * Laser shot added
    * Shields added to city

Graphics:
    * Converted background PNGs to JPEGs
    * "Alpha Version" added to title screen
    * Title screen menu items redone to look nicer
    * Equations don't disappear off edges of screen

Code:
    * References to "aliens" in source replaced with "comets"
    * Initial sound code added.
    * Initial music code added.
    * Sometimes cities would explode at level start. Fixed.

2001.Aug.27
  Interface:
    * Initial pause code added
    * KEYPAD numbers accepted in the game
    * Credits in nifty rainbow colors
    * Commands on title screen shrunk to fit and centered
    * Cities explode when crashed-into.
    * Spire added to game screen.
    * Extra padding removed from digits image ("nums.png")
    * Sound support now optional.
    * Added New Breed Software logo

Gameplay:
    * Game loop slowed to max(20fps)
    * Aliens pick cities to crash into.
    * Changed equation-creation algorithm

Code:
    * More comments added to "game.c"
    * Makefile fixed (was rebuilding objects due to "obj" _dir_ being newer)

Documentation:
    * CHANGES.txt list categorized
    * TODO.txt list categorized
    * README.txt expanded some

2001.Aug.26
  * Initial build

Places

File tuxmath.changes of Package tuxmath (Revision 773026e731637efb62bebe619f0830ec)

Places