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2020.09.28 Kentaro Fukuchi <kentaro@fukuchi.org>
        [hotfix]
        * qrinput.c, tests/test_estimatebit.c:
          - Fixed a bug in the estimation of the Micro QR Code's data length
            in QRinput_estimateBitStreamSizeOfEntry() has been fixed.
          - Fixed a bug in the calculation of the Micro QR Code's data capacity in
            QRinput_encodeBitStream().
          - A test case to test the bugs above has been added.
          - Level check failure in QRinput_new2() on Windows has been fixed.
        * Bumped version to 4.1.1.

2020.08.29 Kentaro Fukuchi <kentaro@fukuchi.org>
        [release-4.1.0]
        * .github/workflows/{cmake,configure,cmake-windows}.yml:
          - Github actions CI scripts have been added.
        * tests/test_bitstream.c:
          - Fixed memory leak.
        * configure.ac, tests/{prof,pthread}_qrencode.c:
          - Make configure to define HAVE_SYS_TIME_H in config.h.
        * CMakeLists.txt:
          - 'wingetopt' has been replaced to 'getopt'.
        * qrencode.c, tests/test_qrencode.c:
          - ECLEVEL check has been improved.
        * .gitignore:
          - Added 'use/test-driver'.

2020.08.28 Kentaro Fukuchi <kentaro@fukuchi.org>
        [develop]
        * Made a develoment branch.
        * test_qrspec.c:
          - Typo fixes.
        * qrinput.[ch], tests/{test_qrencode.c, test_qrinput.c}:
          - A precise boundary check has been introduced to
            QRinput_estimateVersion(). (closes #160)
        * qrinput.c, qrencode.c, tests/test_qrencode.c, qrenc.c, qrencode.1.in:
          - QRinput_encodeMode*() now throws ERANGE when encoding Micro QR Code
            and an appropriate version number was not specified.
          - Now Micro QR Code also allows auto version adjustment.
        * qrenc.c, qrencode.1.in:
          - The synopsis has been improved. (Thanks to @jidanni) (closes #155)
          - A new option '--strict-version' has been introduced.
        * split.c:
          - A tail recursion has been eliminated. (Thanks to @4061N) (closes #144)
        * tests/*:
          - All test programs are now TAP-ready. Now you can run all test programs
            by 'make check'.(Thanks to @jtojnar) (closes #117)
        * qrinput.c:
          - Return value was ignored. (Thanks to @xiaoyur347) (closed #143)
        * README.md, NEWS:
          - Various documentation improvements and updates.
        [release-4.1.0]
        * Bumped version to 4.1.0.
        * qrencode.h:
          - Document improvements.
        * qrenc.c, qrencode.1.in:
          - Added 'UTF8i' and 'ANSIUTF8i' to the descriptions of the corresponding
            options. (Thanks to @Khoyo) (merged #138)

2020.02.23 Kentaro Fukuchi <kentaro@fukuchi.org>
        [master]
        * CMakeLists.txt, README.md:
          - Merged #158 (Thanks to @neheb):
            - Fixed the compile-time issue of the environment without libpng.

2020.02.23 Kentaro Fukuchi <kentaro@fukuchi.org>
        [master]
        * README.md:
          - Merged #151 (Thanks to @NancyLi1013):
            - Added vcpkg installation instructions.

2018.11.09 Kentaro Fukuchi <kentaro@fukuchi.org>
        [master]
        * configure.ac, README.md:
          - Merged #137 (Thanks to @abelbeck and @charmander):
            - 'too many arguments' bug has been fixed.

2018.07.28 Kentaro Fukuchi <kentaro@fukuchi.org>
        [master]
        * CMakeLists.txt:
          - Merged #133 (Thanks to @sdf5):
            - Change CMAKE_SORUCE_DIR to CMAKE_CURRENT_SORUCE_DIR in
                  CMAKE_MODULE_PATH

2018.06.14 Kentaro Fukuchi <kentaro@fukuchi.org>
        [master]
        * qrenc.c, qrencode.1.in, README.md, NEWS:
          - UTF8 mode now supports ANSI256 color. (Thanks to András Veres-
            Szentkirályi)

2018.06.07 Kentaro Fukuchi <kentaro@fukuchi.org>
        [master]
        * CMakeLists.txt, tests/CMakeLists.txt:
          - Merged #131 (Thanks to @mgorny):
            - Update paths inside the pkg-config file to respect GNUInstallDirs.
            - Improve pthread support for the main library when building via CMake.
            - Always build libdecoder as static library.

2018.06.06 Kentaro Fukuchi <kentaro@fukuchi.org>
        [master, 4.0]
        * tests/Makefile.am:
          - Add missing test_basic.sh to EXTRA_DIST. (merged #127) (Thanks to
            @mgorny)
        * CMakeLists.txt:
          - Use CMake GNUInstallDirs module to provide variables for configurable
            install directories. (merged #128) (Thanks to @mgorny)
        [4.0]
        * configure.ac, CMakeLists.txt, README.md:
          - Bumped version to 4.0.2.
        [master]
        * tests/{Makefile.am, CMakeLists.txt, test_qrspec.c}:
          - Fix running test_qrspec when building out-of-source. (merged #129)
            (Thanks to @mgorny)

2018.06.04 Kentaro Fukuchi <kentaro@fukuchi.org>
        [master, 4.0]
        * CMakeLists.txt:
          - STATIC_IN_RELEASE is now set to "static" when WITH_TESTS is disabled.
            (closes #126)
          - Tabs expaned.
        [4.0]
        * configure.ac, CMakeLists.txt, README.md:
          - Bumped version to 4.0.1.

2018.06.02 Kentaro Fukuchi <kentaro@fukuchi.org>
        [master, 4.0]
        * CMakeLists.txt:
          - Added "WITHOUT_PNG" option that builds qrencode without PNG support.
            (closes #125)

2018.06.01 Kentaro Fukuchi <kentaro@fukuchi.org>
        [master, 4.0]
        * README.md:
          - Added some notes of how to use autogen.sh. (closes #122) (Thanks to
            @thebunnyrules)

2017.10.20 Kentaro Fukuchi <kentaro@fukuchi.org>
        [master]
        * qrenc.c:
          - Adds the --inline option, which omits the xml tag for SVG output.
            (merged #110) (Thanks to @jp-bennett)
          - Short option '-I' for '--inline' disabled.
        * qrencode.1.in:
          - Added some missing descriptions.
        * README.md:
          - Acknowledgments updated.

2017.10.13 Kentaro Fukuchi <kentaro@fukuchi.org>
        [master, 4.0]
        * qrencode.h:
          - Fix build on windows with Visual Studio. (merged #108) (Thanks to
            @Ation)
        [master]
        * README.md:
          - libqrencode now advertised as a "fast and compact" library.

2017.10.08 Kentaro Fukuchi <kentaro@fukuchi.org>
        [master]
        * qrenc.c, qrinput.c, rsecc.c, tests/common.c, tests/decoder.c:
          - Fixed some warnings. (closing #89 and #102)

2017.10.06 Kentaro Fukuchi <kentaro@fukuchi.org>
        [master]
        * tests/test_{all,basic}.sh:
          - All tests except test_configure.sh can be run by test_basic.sh now.
          - test_all.sh activates test_basic.sh + test_configure.sh.
          - test_basic.sh is better during active development, especially when you
            gave additional options to configure script.
        * split.c, qrspec.c, mqrspec.c, mask.c, mmask.c, qrencode.c, qrinput.c,
          rsecc.c, qrencode.c:
          - Fixed some warnings. (closing #89 and #102)

2017.10.05 Kentaro Fukuchi <kentaro@fukuchi.org>
        [4.0]
        * tests/test_{mask,mmask,qrspec,mqrspec,split_urls,qrencode}.c:
          - Removed or commented out unused functions.
          - Command line option introduced for verbose debug information.

2017.10.02 Kentaro Fukuchi <kentaro@fukuchi.org>
        [4.0]
        * bitstream.h, qrencode.c, qrencode_inner.h:
          - Memory alignment improved.
        * tests/test_qrencode.c:
          - Error messages improved.
        * tests/{common.h datachunk.h, decoder.h, rscode.h, rsecc_decoder.h}:
          - Reserved macro names are replaced.
        * bitstream.[ch]:
          - Some variables' type changed from int to size_t. (closing #89 and
            #102)
        * tests/common.[ch], tests/test_split_url.c:
          - Fixed some warnings.
        * NEWS:
          - Format fixes.
        * tests/test_mask.c:
          - Fixed some warnings.
        * qrencode.h, qrinput.h, mqrspec.c:
          - Comment format fixes.
        * various files in tests:
          - Fixed some warnings.
        * tests/test_qrencode.c:
          - Removed unused function.
        * tests/test_qrinput.c:
          - Added a new test function.

2017.09.29 Kentaro Fukuchi <kentaro@fukuchi.org>
        [4.0]
        * README.md:
          - Format fixes.
        * rsecc.[ch]:
          - Some variables' type changed from int to size_t. (closing #89 and
            #102)

2017.09.21 Kentaro Fukuchi <kentaro@fukuchi.org>
        [4.0]
        * qrencode.1.in, NEWS:
          - Release date has been updated.
          - Documentation updated.
        * Version 4.0.0 has ben released.

2017.09.11 Kentaro Fukuchi <kentaro@fukuchi.org>
        * qrenc.c:
          - Read buffer is now allocated as a static array to avoid malloc().
            Suppresses memory leak warnings. (Thanks to @c-273)
        * README.md:
          - INSTALL and ACKNOWLEDGMENTS sections are updated.
        * makeREADME.sh:
          - Now it removes the attention line for github.com users.
        * tests/test_qrenc.sh:
          - Experimental test script for the command 'qrencode'.
          - Dedicated to @c-273, who warned the possible memory leaks of qrencode.
            (See #102)
        * qrencode.spec.in, Makefile.am, configure.ac:
          - SPEC file has been removed. (closes #105)
        * Makefile.am:
          - The generation rule for README has been improved.
        [4.0]
        * 4.0 branch has been started.
        * README.md:
          - Version number added to the 1st line.
          - Fixed the URL to the badge of Travis CI.
        [master]
        * qrencode.[ch]:
          - Symbol data representation of QRcode object has been slightly changed.
            This change does not affect to most applications.
          - If your application uses bits other than the LSB, read the comments of
            QRCode class carefully.
        * tests/test_qrencode.c:
          - Modified correct pattern of a test referring non-LSB bits of QRCode.
        * tests/view_qrcode.c:
          - Now you can identify the feature of modules by color.

2017.09.07 Kentaro Fukuchi <kentaro@fukuchi.org>
        * *.[ch]:
          - Copyright year updated for the next major update.
        * tests/test_configure.sh:
          - Added some progress messages.
        * tests/test_all.sh:
          - Added test_configure.sh to the list.
        * Makefile.am, tests/Makefile.am:
          - Added some EXTRA_DIST files.
          - Moved some EXTRA_DIST files from Makefile.am to tests/Makefile.am.
        * makeREADME.sh:
          - Newly added.
        * configure.ac, CMakeLists.txt, README, README.md:
          - Bumped version to 4.0.0, preparing for major update.
        * .travis.yml:
          - Configuration improved.
        * Makefile.am, README:
          - Added a new rule to generate README from README.md.
          - README is no longer needed in the source tree.
        * .gitignore:
          - Added 'CTestTestfile.cmake'.
          - Added 'README'
        * README.md:
          - Added Katsumi Saito, the contributor of SPEC file, has been added to
            the section of ACKNOWLEDGMENTS. We apologize for this lack of
                acknowledgment.

2017.09.06 Kentaro Fukuchi <kentaro@fukuchi.org>
        * mqrspec.h:
          - Documentation update.
        * qrencode.[ch]:
          - QRcode_clearCache() has been defined as a deprecated function for
            backward compatibility.
        * qrenc.c:
          - Copyright year updated.
        * NEWS, README, README.md:
          - Documentation update.
        * use/config.rpath:
          - Updated to the newer version bundled with gettext-0.19.8.1.
        * qrencode.1.in:
          - Copyright year updated.

2017.09.02 Kentaro Fukuchi <kentaro@fukuchi.org>
        * configure.ac:
          - Replaced AC_PROG_RANLIB with LT_INIT.

2017.08.04 Kentaro Fukuchi <kentaro@fukuchi.org>
        * CMakeLists.txt:
          - Getopt.h is checked only by WITH_TOOLS. (merged #101) (Thanks to
            @KangLin)
        * README, README.md:
          - ACKNOWLEDGMENTS has been updated.

2017.03.15 Kentaro Fukuchi <kentaro@fukuchi.org>
        * ChangeLog, NEWS, TODO:
          - Typos fixed. (merged #95) (Thanks to @jwilk)
        * README, README.md:
          - ACKNOWLEDGMENTS has been updated.
        * README, README.md, qrenc.c, qrencode.1.in, qrencode.spec.in:
          - The URI to the primary site has been updated. (http->https)
        * CMakeLists.txt:
          - Add version of shared library. (merged #96) (Thanks to @vanillahsu)

2017.02.05 Kentaro Fukuchi <kentaro@fukuchi.org>
        * README, README.md:
          - Added some notes to compile test programs. (closes #93)
        * CMakeList.txt:
          - Added BUILD_SHARED_LIBS option with MSVC export all. (merged #92)
            (Thanks to @vilppuvuorinen)

2017.02.03 Kentaro Fukuchi <kentaro@fukuchi.org>
        * CMakeLists.txt, cmake/FIND*.cmake, tests/CMakeLists.txt:
          - Merged #91. (Thanks to @aleksey-nikolaev)
          - CMake support has been improved greatly.
        * README, README.md:
          - ACKNOWLEDGMENTS has been updated.
          - Some text cleanups.
        * tests/frame, .gitignore:
          - Empty frame data "tests/frame" has been included in the source tree.
        * .travis.yml
          - Stopped creating empty frame data.
          - Bug fix.

2016.11.20 Kentaro Fukuchi <kentaro@fukuchi.org>
        * tests/test_qrinput.c, tests/test_qrspec.c:
          - Some warnings suppresed.

2016.11.17 Kentaro Fukuchi <kentaro@fukuchi.org>
        * CMakeLists.txt, tests/CMakeLists.txt, travis.yml, tests/common.h,
          tests/decoder.c, .gitignore:
          - Merged #85. (Thanks to @misery)
        * NEWS:
          - Release note for version 4 has been updated.

2016.09.19 Kentaro Fukuchi <kentaro@fukuchi.org>
        * qrenc.c, qrencode.c, split.c:
          - Merged #82. (Thanks to @UniQP)
          - Various code cleanups.
        * *.h:
          - Removed double underscores (__) from macro names in include guards.
            (follows C99 standard)
        * configure.ac, *.c:
          - Renamed __STATIC macro to STATIC_IN_RELEASE. (follows C99 standard)
        * qrencode.c:
          - Removed unnecessary 'extern' from some functions.

2016.09.18 Kentaro Fukuchi <kentaro@fukuchi.org>
        * CMakeLists.txt:
          - Merged #83. (Thanks to @misery)
          - This allows CMake users building the library without configure script.
            IF you are using incomplete UNIX-like environment and configure script
                does not work as expected, try CMake.
        * README, README.md:
          - Added some notes about CMake.

2016.05.18 Kentaro Fukuchi <kentaro@fukuchi.org>
        * acinclude.m4:
          - iconv.m4 has been updated to serial 19.
        * configure.ac, Makefile.am, tests/Makefile.am:
          - MinGW support has been improved.
        * README, README.md:
          - ACKNOWLEDGMENTS has been updated.
        * qrencode.c:
          - Memory leak bug fixed. (Closes #81. Thanks to @win32asm)
        * Various code cleanups. (Merged #72. Thanks to @UniQP)

2016.05.15 Kentaro Fukuchi <kentaro@fukuchi.org>
        * configure.ac:
          - Merged pull-request #80. (Thanks to @EckoEdc)
          - Add LDFLAGS for mingw compilation.

2016.04.02 Kentaro Fukuchi <kentaro@fukuchi.org>
        * tests/common.h:
          - Code refactoring.
          - New debug functions have been added.
        * tests/decoder.[ch], tests/test_monkey.c:
          - QRcode_extractBits() has been extended. This will be used later.
        * tests/decoder.[ch]:
          - eccResult has been added to QRdata.
          - Code refactoring.
        * tests/decoder.[ch], tests/datachunk.[ch], tests/Makefile.am:
          - Code refactoring.

2016.03.30 Kentaro Fukuchi <kentaro@fukuchi.org>
        * bitstream.[ch], tests/test_bitstream.c:
          - Added new function BitStream_newWithBits() and tests for it.
        * tests/decoder.[ch], tests/test_monkey.c:
          - Code refactoring.

2016.03.29 Kentaro Fukuchi <kentaro@fukuchi.org>
        * tests/view_qrcode.c:
          - Added mask=-2 mode for debug purpose.
        * bitstream.c, qrencode.c:
          - Incorrect bit padding has been fixed. (Thanks to Yuji Ueno)
        * tests/test_bitstream.c, tests/test_qrencode.c:
          - Incorrect bit padding has been fixed.
        * README:
          - ACKNOWLEDGMENTS has been updated.
        * README.md:
          - ACKNOWLEDGMENTS has been updated.
          - Some missed contributors have been added to README.md.

2016.02.21 Kentaro Fukuchi <kentaro@fukuchi.org>
        * configure.ac, tests/common.h, tests/view_qrcode.c:
          - Migrated from SDL 1.2 to 2.0.
        * README, README.md:
          - Improved the install instruction. (Thanks to Ronald Michaels)

2015.11.04 Kentaro Fukuchi <kentaro@fukuchi.org>
        * qrspec.h, mqrspec.h:
          - Typo fix. (Thanks to @qianchenglenger)
        * qrenc.c:
          - Merged pull-request #74. (Thanks to @mgorny)
          - Added support for UTF8i and ANSIUTF8i formats that provide reverse
            mappings of UTF8 and ANSIUTF8 formats respective. This is useful for
                black-on-white media.
        * configure.ac, Makefile.am, qrenc.c, rsecc.c:
          - Added new configure option "--without-png". (closes #70)

2015.05.13 Kentaro Fukuchi <kentaro@fukuchi.org>
        * mqrspec.c:
          - Typo fix.
        * README, README.md:
          - Text format improved.
        * NEWS:
          - Slightly updated.

2015.05.06 Kentaro Fukuchi <kentaro@fukuchi.org>
        * qrenc.c:
          - New option "--svg-path" has been added, that uses a single path
            instead of multiple rectangles to draw the modules.
                (cherry-picked from #41) (Thanks to @Oblomov)
        * tests/test_qrenc.sh, tests/test_images/.gitignore:
          - Added an unfinished test script for qrencode has been added.

2015.05.05 Kentaro Fukuchi <kentaro@fukuchi.org>
        * qrencode.1.in, qrenc.c:
          - Usage improved. (closes #62) (Thanks to @minus7)
          - Typo fix. (Thanks to Ian Sweet (@Isweet))
        * README, README.md:
          - The list of contributors updated: '@' prefix added for github
            usernames.
        * qrenc.c:
          - X Pixmap (XPM) support has been added. (closes #52)
            (Thanks to @tklauser)
        * qrspec.h, mqrspec.h, qrencode.h:
          - empty descriptions of some @params are filled.
        * rsecc.[ch], README:
          - Short note about the credit has been improved.
        * Some code cleanups.

2015.05.04 Kentaro Fukuchi <kentaro@fukuchi.org>
        * qrenc.c:
          - Merge pull request #63 from tklauser/qrenc-array-overflow-fix
          - qrenc: Fix array overrun in color_set (Thanks to @tklauser and
            @win32asm)
        * split.c:
          - Merge pull request #67 from siggi-heltau/patch-1
          - The variable name "new" has been renamed to "newstring" because "new"
            is a reserved word in C++. (Thanks to @siggi-heltau)
        * qrenc.c:
          - Added -r option to read input data from a file in addition to STDIN
            and the command line. (cherry-picked from #68)
                (Thanks to Robert Petersen)
          - Typo fix. (cherry-picked from #68) (Thanks to Robert Petersen)
          - long option "readin" has been changed to "read-from".
        * qrencode.1.in:
          - Updated the usage.
        * README:
          - Updated the list of contributors.
        * tests/Makefile.am
          - Added URI_testset.inc to EXTRA_DIST.
        * .gitignore
          - Added some patterns to ignore some generated files. (Thanks to
            @tklauser, closes #64)

2014.09.23 Kentaro FUKUCHI <kentaro@fukuchi.org>
        * README, README.md:
          - Some typo fixes. (Thanks to Danomi Manchego)

2014.09.18 Kentaro FUKUCHI <kentaro@fukuchi.org>
        * tests/view_qrcode.c:
          - Rollbacked the previous change (6a4b2e3710b) around the main part.
        * rsecc.c:
          - Some code cleanups.
        * tests/rsecc_decoder.[ch], tests/test_rs.c, Makefile.am:
          - Syndrome checker has been added.

2014.09.17 Kentaro FUKUCHI <kentaro@fukuchi.org>
        * configure.ac:
          - Added "-pthread" option to CFLAGS. (Thanks to Danomi Manchego)
        * tests/Makefile.am:
          - Removed explicit "-lpthread" which is not required anymore.

2014.09.09 Kentaro FUKUCHI <kentaro@fukuchi.org>
        * NEWS:
          - Added an entry about 4.0.0. (not released yet)
        * mask.[ch], tests/test_mask.c:
          - Run length calculation has been slightly improved.
          - Reduce malloc calls.
        * qrspec.[ch], mqrspec.[ch]:
          - Frame caches have been eliminated. It improves both memory efficiency
            and performance... Wait, caches were completely meaningless? orz...
        * qrencode.[ch]:
          - QRcode_clearCache() has been eliminated.
        * tests/prof_qrencode.c, tests/pthread_qrencode.c, tests/test_mask.c,
          tests/test_mmask.c, tests/test_monkey.c, tests/test_mqrspec.c,
          tests/test_qrencode.c, tests/test_qrspec.c:
          - Removed cache clearing calls.
        * qrencode.c:
          - FrameFiller now allocated in stack, not heap.
        * rsecc.c:
          - Introduced mutex to avoid race condition.

2014.09.08 Kentaro FUKUCHI <kentaro@fukuchi.org>
        * qrenc.c:
          - Added color support for EPS output.

2014.08.18 Kentaro FUKUCHI <kentaro@fukuchi.org>
        * configure.ac:
          - Added new option "--enable-asan" that enables AddressSanitizer.

2014.08.15 Kentaro FUKUCHI <kentaro@fukuchi.org>
        * tests/view_qrcode.c:
          - Version number check improved for Micro QR Code.

2014.08.05 Kentaro FUKUCHI <kentaro@fukuchi.org>
        * configure.ac, Makefile.am, tests/Makefile.am:
          - Added some conditional flags for configuration/building process.
          - HAVE_PNG and HAVE_SDL can be referred from both Makefile and program
            code.
        * tests/view_qrcode.c:
          - Use SDL_WaitEvent() instead of SDL_PollEvent().
        * tests/common.h:
          - Added show_QRcode() for testing purposes. (Thanks to Sunil Maganally)
        * tests/*.c:
          - main()'s arguments now correctly declared.

2014.07.25 Kentaro FUKUCHI <kentaro@fukuchi.org>
        * tests/URI_testset.inc, tests/test_split_urls.c, tests/Makefile.am,
          .gitignore:
          - A new test suite evaluating splitting efficiency has been added.
          - Still undertrial.

2014.07.24 Kentaro FUKUCHI <kentaro@fukuchi.org>
        * qrinput.c:
          - Code refactoring (QRinput_Struct_count has been added).
          - And more code cleanups.
          - Avoid to add a Structued-append chunk when only one symbol is
            generated. (Thanks to Yoshimichi Inoue)
        * tests/test_qrinput.c:
          - New test has been added.
        * qrinput.c, qrencode.1.in:
          - Added new option, "verbose".
        * tests/common.h:
          - printQRinputStruct() has been added.
        * rsecc.{c,h}:
          - Copyright notice and credit has been corrected.
        * README, README.md:
          - ACKNOWLEDGMENTS updates.
        [3.4]
          - Bumped version to 3.4.4.
        * Version 3.4.4 has ben released.

2014.07.08 Kentaro FUKUCHI <kentaro@fukuchi.org>
        * qrenc.c, qrinput.c, tests/test_qrinput.c:
          - Code cleanups.
          - Some possible minor bugs has been fixed.

2014.07.07 Kentaro FUKUCHI <kentaro@fukuchi.org>
        * qrenc.c:
          - Serious typo fix.

2014.07.06 Kentaro FUKUCHI <kentaro@fukuchi.org>
        * qrenc.c, qrencode.1.in:
          - Added a new image type PNG32 (direct color mode). (Thanks to Greg Hart)

2014.07.04 Kentaro FUKUCHI <kentaro@fukuchi.org>
        * use/config.rpath:
          - Updated to the newer version bundled with gettext-0.18.3.2.
        * acinclude.m4:
          - Added iconv.m4, lib-{link,ld,prefix}.m4 for Mac OS.
        * autogen.sh:
          - mkdir m4 if not exist.
        * qrencode.h:
          - Fixed some doxygen commands.

2014.06.27 Kentaro FUKUCHI <kentaro@fukuchi.org>
        * qrenc.c, qrencode.1.in:
          - Merged pull-request #44. (Thanks to Antenore)
          - Fixed some format issues.

2014.06.22 Kentaro FUKUCHI <kentaro@fukuchi.org>
        * qrencode.c:
          - A memory leak bug has been fixed. (Thanks to @win32asm)
        * bitstream.c:
          - Check return value of BitStream_expand. (PR #46, Thanks to @tklauser)

2014.02.14 Kentaro FUKUCHI <kentaro@fukuchi.org>
        * qrinput.c:
          - Minor documentation fix.
        * qrenc.c:
          - Error message improved.

2014.02.09 Kentaro FUKUCHI <kentaro@fukuchi.org>
        * .travis.yaml:
          - Configuration file for Travis CI. (Thanks to Danil Dörrhöfer)
        * configure.ac:
          - Fixed some warnings.

2014.01.15 Kentaro FUKUCHI <kentaro@fukuchi.org>
        * qrenc.c:
          - Merged pull request 78d44fd - commandline argument --help and -V is
            printed to stdout, instead of stderr.

2014.01.04 Kentaro FUKUCHI <kentaro@fukuchi.org>
        * rsecc.[ch]:
          - Code cleanups.

2013.10.27 Kentaro FUKUCHI <kentaro@fukuchi.org>
        * qrinput.c:
          - Bug in QRinput_insertFNC1Header() has been fixed. (Thanks to David
            Binderman)
        * qrinput.c, test/decoder.[ch]:
          - Code cleanup.

2013.09.08 Kentaro FUKUCHI <kentaro@fukuchi.org>
        * tests/test_qrencode.c:
          - Small bug fix.

2013.09.06 Kentaro FUKUCHI <kentaro@fukuchi.org>
        * qrenc.c:
          - bzero() has been replaced with memset(). (Thanks to Gavin Andresen)
        * qrspec.c, qrinput.c:
          - QRspec_getMinimumVersion() now returns maximum version number for
            excessive input, instead of -1. Closes #31. (Thanks to Danil
                Dörrhöfer)
        * tests/test_qrencode.c:
          - New tests for excessive or maximum input have been added.
        * tests/test_qrinput.c:
          - A deprecatd test has been removed.
        [reduce_malloc]
        * bitstream.c:
          - Minimum length of bit buffer has been extended to 128. In many cases
            the library needs 128 bits at least to generate a symbol.
        [master]
        * merged reduce_malloc branch.

2013.08.22 Kentaro FUKUCHI <kentaro@fukuchi.org>
        * configure.ac:
          - Avoid to use sdl-config. (Thanks to Heiko Becker)

2013.08.15 Kentaro FUKUCHI <kentaro@fukuchi.org>
        * rsecc.[ch], qrencode.c, tests/test_rc.c:
          - Code cleanups and refactoring.
          - Bug fix.
        * configure.ac:
          - Bumped version to 3.9.0, preparing for major update.
        * qrenc.c:
          - Copyright year in usage has been updated.
          - Help message improved.

2013.08.15 Kentaro FUKUCHI <kentaro@fukuchi.org>
        * rsecc.[ch], rscode.[ch], Makefile.am, qrencode.c:
          - Reed-Solomon error correction code has been completely rewritten.
          - Phil Karn's code has been removed (moved to tests).
        * tests/test_rs.c, tests/test_qrencode.c, tests/rscode.[ch], tests/Makefile.am:
          - Test codes related to ECC have been updated.
          - Phil Karn's code has been moved to tests, just for test purpose.
        * tests/test_mqrspec.c:
          - Code cleanup.

2013.07.29 Kentaro FUKUCHI <kentaro@fukuchi.org>
        [3.4]
        * configure.ac, README, NEWS:
          - Bumped version to 3.4.3.

2013.07.16 Kentaro FUKUCHI <kentaro@fukuchi.org>
        * qrenc.c:
          - missing break in switch. (Thanks to ßlúèÇhîp)
        * qrinput.c:
          - missing/redundant breaks in some switch statements.

2013.06.17 Kentaro FUKUCHI <kentaro@fukuchi.org>
        * qrenc.c:
          - Merged pull request #29. (Thanks to Daniel Dörrhöfer)
            - Run length encoding has been made non-default.
            - New option "--rle" has been instroduced to enable run length encoding
              for SVG format.

2013.03.30 Kentaro FUKUCHI <kentaro@fukuchi.org>
        * qrinput.c:
          - Renamed a variable ("index") to avoid compile-time warning. (Thanks to
            Emmanuel Blot)
          - Range check improved.
        * autogen.sh:
          - bug fix.(Thanks to Emmanuel Blot)

2013.03.26 Kentaro FUKUCHI <kentaro@fukuchi.org>
        * qrenc.c:
          - Memory leak bug has been fixed. (Thanks to Hassan Hajji)
          - Buffer overrun bug has been fixed.
          - Code cleanups.

2013.03.01 Kentaro FUKUCHI <kentaro@fukuchi.org>
        * README, NEWS:
          - Documentation update.
        * Version 3.4.2 has been released.

2013.02.26 Kentaro FUKUCHI <kentaro@fukuchi.org>
        * split.c, tests/test_split.c:
          - Applied Viona's bug fix patch. (Thanks to Viona)
          - Additional switching cost between AN and Num mode has been included
            correctly.
          - Additional switching cost between 8 and AN/Num mode has been included
            correctly.
          - New test case has been added.

2013.02.16 Kentaro FUKUCHI <kentaro@fukuchi.org>
        [3.4, master]
        * configure.ac, README, NEWS:
          - Bumped version to 3.4.2.

2013.02.16 Kentaro FUKUCHI <kentaro@fukuchi.org>
        * qrenc.c:
          - Now it includes "string.h" by itself for libpng16. (Thanks to Petr)

2012.11.30 Kentaro FUKUCHI <kentaro@fukuchi.org>
        * qrencode.h
          - Doxygen documents improved.

2012.11.09 Kentaro FUKUCHI <kentaro@fukuchi.org>
        * qrinput.c:
          - Code cleanup.

2012.11.08 Kentaro FUKUCHI <kentaro@fukuchi.org>
        * qrinput.c:
          - Memory leak bug has been fixed. (issue #24) (Thanks to chisj)
        * qrencode.c:
          - Incorrect bit extraction bug in QRcode_encodeMaskMQR() has been fixed.
            (issue #25) (Thanks to vlad417)
        * tests/test_qrencode.c:
          - Added NUL checks for malloc-related bugs using failmalloc.
          - Added a new test for issue #25. (Thanks to vlad417)

2012.10.21 Kentaro FUKUCHI <kentaro@fukuchi.org>
        * qrinput.c:
          - Unnecessary "goto ABORT" eliminated.

2012.10.17 Kentaro FUKUCHI <kentaro@fukuchi.org>
        [3.4]
        * NEWS:
          - Release note has been written.
        * Version 3.4.1 has been released.

2012.10.15 Kentaro FUKUCHI <kentaro@fukuchi.org>
        [3.4]
        * configure.ac:
          - HAVE_LIBPTHREAD was not correctly defined in config.h.in.
        * tests/test_configure.sh:
          - New test script checking autoconf-related scripts has been added.
        * configure.ac, README, NEWS:
          - Bumped version to 3.4.1.

2012.10.15 Kentaro FUKUCHI <kentaro@fukuchi.org>
        [3.4]
        * Version 3.4.0 has been released.
        [master]
        * Merged 3.4.0.

2012.10.13 Kentaro FUKUCHI <kentaro@fukuchi.org>
        [3.4]
        * qrencode.h:
          - Documentation improved.
          - Copyright year has been updated.
        * Doxyfile:
          - Rebased on a template from Doxygen 1.7.6.1.

2012.10.09 Kentaro FUKUCHI <kentaro@fukuchi.org>
        [3.4]
        * configure.ac, README, NEWS:
          - Bumped version to 3.4.0.
        * qrencode.1.in:
          - Added SVG option to --type.
        * qrenc.c:
          - Usage improved.
          - Inkscape-friendly SVG output.

2012.09.29 Kentaro FUKUCHI <kentaro@fukuchi.org>
        [reduce_malloc]
        * bstream.h:
          - Added a new function "BitStream_reset()".
        * qrinput.c:
          - Reduced the use of dynamic memory allocation.
          - Performance improved.
          - Interfaces of QRinput_getBitStream() and QRinput_mergeBitStream() have
            been changed.

2012.09.25 Kentaro FUKUCHI <kentaro@fukuchi.org>
        [reduce_malloc]
        * qrinput.c, tests/qrinput.c:
          - Reduced the use of dynamic memory allocation.

2012.09.25 Kentaro FUKUCHI <kentaro@fukuchi.org>
        * qrenc.c:
          - Input validation improved. (Thanks to Yann Droneaud)
        * README:
          - Contributors list has been updated.
          - Added a note about autogen.sh.

2012.09.24 Kentaro FUKUCHI <kentaro@fukuchi.org>
        * tests/test_bitstream.c:
          - Added new test.
        * tests/test_{monkey,qrspec}.c:
          - Warnings suppressed.
        [reduce_malloc]
        * bitstream.[ch]:
          - Reduced the use of dynamic memory allocation.

2012.09.22 Kentaro FUKUCHI <kentaro@fukuchi.org>
        * qrenc.c:
          - Color palette support has been added. Currently PNG and SVG are
            supported
        * qrencode.1.in:
          - "--foreground" and "--background" options have been added.

2012.09.19 Kentaro FUKUCHI <kentaro@fukuchi.org>
        * README:
          - Contributors list has been updated.
        * qrencode.1.in:
          - Followed Unicode block elements patch.

2012.09.18 Kentaro FUKUCHI <kentaro@fukuchi.org>
        * qrenc.c:
          - Merge pull request #19 from mezcalero/master (Unicode block elements
            support).

2012.09.13 Kentaro FUKUCHI <kentaro@fukuchi.org>
        * qrenc.c:
          - Set XML(SVG) declaration's 'standalone' to 'yes'.

2012.09.03 Kentaro FUKUCHI <kentaro@fukuchi.org>
        * qrenc.c:
          - A bug introduced in 'b3d5f7' has been reverted. (Thanks to Terry)

2012.09.03 Kentaro FUKUCHI <kentaro@fukuchi.org>
        * qrenc.c:
          - Integrated David's SVG patch.

2012.04.21 Kentaro FUKUCHI <kentaro@fukuchi.org>
        * qrenc.c:
          - Incorrect arguments order has been fixed. (Thank to Fred Steinhaeuser)

2012.04.18 Kentaro FUKUCHI <kentaro@fukuchi.org>
        [3.3]
        * qrenc.c:
          - EPS dot size bug has been fixed (closes: #12).
        * Version 3.3.1 has been released.

2012.04.11 Kentaro FUKUCHI <kentaro@fukuchi.org>
        [master]
        * qrenc.c:
          - Paper size and margin are now set properly in SVG output.

2012.04.10 Kentaro FUKUCHI <kentaro@fukuchi.org>
        [master]
        * Following fixes have been contributed by Yutaka Niibe.
        * qrencode.1.in:
          - "Hyphen-used-as-minus-sign" error has been fixed.
        * configure.ac, libqrencode.pc.in, tests/Makefile.am:
          - Explicit link to libpthread has been eliminated.
        * qrenc.c:
          - Pulled Repox's SVG patch (Pull request #10).
          - Slightly simplified.
        [3.3]
        * README, configure.ac:
          - Bumped version to 3.3.1.

2012.04.01 Kentaro FUKUCHI <kentaro@fukuchi.org>
        [3.3]
        * qrenc.c:
          - ASCII mode has been added. (Thanks to Ralf Ertzinger)
          - Small code cleanups.
          - ASCII mode now handles ".txt" suffix correctly.
        * NEWS, README:
          - Documentation updates.
        * Version 3.3.0 has been released.
        [master]
        * Merged to 3.3.0.

2012.03.31 Kentaro FUKUCHI <kentaro@fukuchi.org>
        [3.2]
        * README, NEWS, configure.ac:
          - Bumped version to 3.2.1.
        * Version 3.2.1 has been released.
        [3.3]
        * qrenc.c:
          - Copyright year has been updated.

2012.03.30 Kentaro FUKUCHI <kentaro@fukuchi.org>
        * libqrencode.pc.in :
          - Replaced obsolete macro LIBPTHREAD with LIBS. (thx to gniibe)
        * configure.ac:
          - Checks $ac_cv_lib_pthread_pthread_mutex_init instead of
            HAVE_LIBPTHREAD. (thx to gniibe)

2012.02.28 Kentaro FUKUCHI <kentaro@fukuchi.org>
        [master, 3.2.1]
        * .gitignore:
          - Added "tests/pthread_qrencode".
        [3.3]
        * 3.3 branch has been started.
          - 3.2.1 has been canceled.
        * configure.ac, README, NEWS:
          - Version number changes.

2012.01.31 Kentaro FUKUCHI <kentaro@fukuchi.org>
        [master]
        * Recent 3.2 branch has been merged into the master.
        * qrenc.c:
          - Quick bug fix introduced in 09b72eb3070a36461eb83c1ec5237e4855ee515b.

2012.01.19 Kentaro FUKUCHI <kentaro@fukuchi.org>
        [3.2.1]
        * configure.ac, qrencode.[hc], qrenc.c, tests/test_qrencode.c:
          - QRcode_APIVersion() and QRcode_APIVersionString() have been added.
          - New macro values {MAJOR,MINOR,MICRO}_VERSION have been introduced.
          - New tests have been added.
        * qrenc.c:
          - Removed a useless storage class specifier from enum imageType.
        [master, 3.2.1]
        * Pulled moshen:write_ansi.
        [3.2.1]
        * tests/decoder.c:
          - Bug fix.
        * qrenc.c:
          - Code refactoring.
          - Now you can omit "-o -" for EPS and ANSI output.
          - Default margin size has been rollbacked to 4 for ANSI(256).
        * README:
          - Added Colin (moshen@github) to ACKNOWLEDGMENTS.
          - Added zapster's real name to ACKNOWLEDGMENTS.

2011.12.12 Kentaro FUKUCHI <kentaro@fukuchi.org>
        [3.2.1]
        * configure.ac, README:
          - Bumped version to 3.2.1.

2011.12.12 Kentaro FUKUCHI <kentaro@fukuchi.org>
        * qrenc.c, qrencode.1.in:
          - Usage updates.

2011.12.11 Kentaro FUKUCHI <kentaro@fukuchi.org>
        * qrenc.c:
          - Pulled Zapster's EPS support patch.
          - Some code cleanups.

2011.11.26 Kentaro FUKUCHI <kentaro@fukuchi.org>
        [3.2.0]
        * qrencode.1.in:
          - "RESOURCES" section has been added.
        * README:
          - URL to the main web site updated.
        * Version 3.2.0 has been released.

2011.11.23 Kentaro FUKUCHI <kentaro@fukuchi.org>
        [3.2.0]
        * qrencode.1.in:
          - Added descriptions of "-d" and "-M".

2011.11.3 Kentaro FUKUCHI <kentaro@fukuchi.org>
        [3.2.0]
        * tests/view_qrcode.c:
          - Messages improved.
        * mmask.c:
          - A bug in mask evaluation function has been eliminatd.
        * tests/test_mmask.c:
          - New test case has been added.
        * qrenc.c:
          - Micro QR Code support is now marked as "experimental" explicitly.
        * tests/test_qrinput.c, tests/test_qrencode.c:
          - Added some test cases.

2011.10.23 Kentaro FUKUCHI <kentaro@fukuchi.org>
        [3.2.0]
        * 3.2 branch has been started.
        * README, NEWS, configure.ac:
          - Version number changes.
          - Micro QR Code support is now marked as "experimental" explicitly.

2011.10.23 Kentaro FUKUCHI <kentaro@fukuchi.org>
        * mask.c, mmask.c, tests/common.h:
          - Eliminated unused valiables.
        * tests/test_qrencode.c:
          - Some assertions added.

2011.10.18 Kentaro FUKUCHI <kentaro@fukuchi.org>
        * test/test_mask.c:
          - To call QRspec_clearCache() at exit.

2011.10.17 Kentaro FUKUCHI <kentaro@fukuchi.org>
        * configure.ac:
          - Now the latest PNG library is chosen when the configure script is
            executed.
        * Copyright year has been updated.

2011.10.17 Kentaro FUKUCHI <kentaro@fukuchi.org>
        * mask.c:
          - Unneeded zero-clear has been eliminated from Mask_calcRunLength().
          - A rounding-down error in N4 calculation has been fixed.
            (Thanks to Adam Shepherd)
        * tests/test_mask.c:
          - Fixed some test cases.

2011.10.17 Kentaro FUKUCHI <kentaro@fukuchi.org>
        * mask.c:
          - A bug in N3 penalty calculation functoin has been fixed.
            (Thanks to Adam Shepherd)
        * mask.h, tests/test_mask.c:
          - Test cases for Mask_calcN1N3() have been added.
          - Wrong test cases have been corrected.

2011.10.16 Kentaro FUKUCHI <kentaro@fukuchi.org>
        * mask.[ch]:
          - Mask_calcRunLength() has been refactored out from Mask_evaluateSymbol().
        * test/test_mask.c:
          - New test code for Mask_calcRunLength has been added.

2011.10.13 Kentaro FUKUCHI <kentaro@fukuchi.org>
        * mask.[ch]:
          - Mask_calcN2() has been refactored out from Mask_evaluateSymbol().
        * test/test_mask.c:
          - New test code for Mask_calcN2 has been added.
        * README:
          - Added a URL to the git repository.

2011.08.13 Kentaro FUKUCHI <kentaro@fukuchi.org>
        * configure.ac:
          - Added "AC_PROG_RANLIB" (bug report from dev66)

2011.08.07 Kentaro FUKUCHI <kentaro@fukuchi.org>
        * libqrencode.pc.in:
          - Cflags has been set. (issue #2)(Thanks to ryo-on)

2011.05.05 Kentaro FUKUCHI <kentaro@fukuchi.org>
        * split.c:
          - strdup() code has been added for non-POSIX environments. (Thanks to
            Seth Sims)
        * configure.ac:
          - Added AC_CHECK_FUNC([strdup]) for non-POSIX environments.
          - Now mudflapth is used instead of mudflap when pthread is enabled.
        * *.c:
          - '#include "config.h"' has been moved to the top of the code and
            wrapped with #if HAVE_CONFIG_H - #endif.

2011.04.06 Kentaro FUKUCHI <kentaro@fukuchi.org>
        * qrinput.c:
          - Initializaion was missed in QRinput_insertFNC1Header().

2011.02.09 Kentaro FUKUCHI <kentaro@fukuchi.org>
        * tests/view_qrcode.c:
          - "-h" had required an argument.

2010.10.09 Kentaro FUKUCHI <kentaro@fukuchi.org>
        * Copyright year and mail address were updated.
        * README, qrencode.spec.in:
          - The URL of qrencode's page has been updated.
        * Makefile.am:
          - Added ACLOCAL_AMFLAGS.
        * use/config.rpath:
          - Now explicitly included because required by AM_ICONV_LINK in
            configure.ac.

2010.02.03 Kentaro FUKUCHI <fukuchi@megaui.net>
        [3.1.1]
        * qrencode.c, README:
          - Copyright year updates.
        * Bumped version to 3.1.1.
        * Version 3.1.1 has been released.

2010.01.27 Kentaro FUKUCHI <fukuchi@megaui.net>
        * qrinput.c, qrencode.h:
          - 8bit encoding improved.
          - QRinput_encodeModeECI(), QRinput_appendECIheader(),
                QRinput_estimateBitsModeECI() have been added.
        * tests/test_qrinput.c:
          - Some tests for ECI header have been added.
        * qrinput.[ch]:
          - STRUCTURE_HEADER_BITS was renamed to STRUCTURE_HEADER_SIZE.
          - MODE_INDICATOR_SIZE has been added.
          - QRinput_isSplittableMode() has been added.
        * qrspec.c:
          - QRspec_maximumWords() now returns 0 if the entry cannot be split.
          - Now includes "qrinput.h" for QRinput_isSplittableMode().

2010.01.25 Kentaro FUKUCHI <fukuchi@megaui.net>
        * qrencode.h:
          - QR_MODE_{ECI,FNC1A,FNC1B} have been added to QRencodeMode.
        * qrspec.h, mqrspec.h, qrinput.c:
          - QRSPEC_MODEID_* and MQRSPEC_MODEID_* have been added, and hard coded
            numbers were replaced with them.
        * qrenc.c:
          - Modified usage.
        * qrinput.h:
          - Added a new field to QRinput for FNC1 support.
        * qrinput.c, qrencode.h:
          - Added new functions to set FNC1 flag.
          - FNC1 second position encoding now supported.

2010.01.22 Kentaro FUKUCHI <fukuchi@megaui.net>
        * tests/test_qrspec.c:
          - Code cleanup.
        * tests/decoder.[ch], tests/test_qrencode.c:
          - Added tests for Micro QR Code.

2010.01.20 Kentaro FUKUCHI <fukuchi@megaui.net>
        * qrencode.c:
          - Bug fix.
        * tests/decoder.[ch]:
          - Code refactoring.
        * tests/test_{qrencode,mask,monkey}.c, Makefile.am:
          - New tests added.
        * qrencode_inner.h:
          - Typo fix.
        * NEWS:
          - Updated.
        * qrinput.c:
          - Possible memory errors fixed.
        * configure.ac, tests/Makefile.am:
          - Added iconv checks.

2010.01.18 Kentaro FUKUCHI <fukuchi@megaui.net>
        * configure.ac:
          - Configuration cleanups.
        * tests/Makefile.am:
          - Wrong conditional branch fixed.
        * tests/decoder.[ch], tests/Makefile.am:
          - Decoding function has been added.
        * tests/test_{qrinput,qrspec,qrencode}.c:
          - New tests added.

2010.01.16 Kentaro FUKUCHI <fukuchi@megaui.net>
        * qrencode.[ch]:
          - QRcode_encodeData{,MQR,Structured}() have been added.
        * tests/test_qrencode.c:
          - New test has been added.

2009.11.27 Kentaro FUKUCHI <fukuchi@megaui.net>
        * qrencode.h:
          - Typo fixes.

2009.11.06 Kentaro FUKUCHI <fukuchi@megaui.net>
        * NEWS, README:
          - Documents updated.
        * qrspec.[ch], mqrspec.[ch]:
          - *_clearCache were not thread safe.
          - "Thread unsafe" warnings were removed.
        * rscode.[ch]
          - free_rs_cache was not thread safe.
          - "Thread unsafe" warnings were removed.

2009.09.28 Kentaro FUKUCHI <fukuchi@megaui.net>
        * qrenc.c:
          - David's patch has been applied. (Thanks to David)
          - New options '-d' and '--dpi' have been added.
          - Typo fixes.
        * tests/view_qrcode.c:
          - Typo fixes.

2009.06.08 Kentaro FUKUCHI <fukuchi@megaui.net>
        * qrencode.c:
          - FrameFiller_nextMQR() has integrated to FrameFiller_next().
          - FrameFiller_new() now requires mqr flag.
        * qrencode.[ch], tests/prof_qrencode.c, tests/test_{qrencode,monkey}.c:
          - QRcode_clearCache() has been added.
        * configure.ac, qrencode_inner.h, qrencode.c, mask.[ch], mmask.[ch],
          qrinput.h, qrspec.c, tests/common.h:
          - A macro WITH_TESTS has been introduced.
          - "#ifdef __STATIC" has been replaced with "#ifdef __WITH_TESTS".
          - Some definitions in qrencode_inner.h have been moved to appropriate
            header files.
          - Including config.h became mandatory for test programs.
        * tests/pthread_qrencode.c, tests/Makefile.am:
          - New test program has been added.
        * rscode.c:
          - config.h was not included.
        * mask.c:
          - Race condition problem has been solved.

2009.06.06 Kentaro FUKUCHI <fukuchi@megaui.net>
        * qrenc.c, tests/view_qrcode.c:
          - Experimental support of Micro QR Code has been implemented.
        * qrencode.[ch]:
          - QRinput_setVersionAndErrorCorrectionLevel() has been added.
        * tests/common.h, tests/test_split.c:
          - Code cleanups.
          - printFrame() and printQRcode() have been added.
        * tests/test_qrencode.c:
          - Some tests have been added.
        * qrspec.h, mqrspec.h, qrencode.h:
          - Definitions of {MQR,QR}SPEC_VERSION_MAX are moved to qrencode.h.
        * qrinput.c, qrencode.h, tests/test_qrencode.c:
          - Size check has been removed from QRinput_convertData() for MQR.
          - QRinput_convertData() throws ERANGE when the input is too large.
          - QRinput_appendPadding*() throws ERANGE when the input is too large.
          - As a result, QRencode_encodeString*() throws ERANGE in that cases.
          - Some assertion checks of errno added to test_qrencode.
        * Bumped version to 3.9.0.
          - Next public release will be 4.0.0.

2009.06.06 Kentaro FUKUCHI <fukuchi@megaui.net>
        [3.1.0]
        * Version 3.1.0 has been released.

2009.06.05 Kentaro FUKUCHI <fukuchi@megaui.net>
        * qrencode.h, qrencode_inner.h, tests/test_qrencode.c:
          - FrameFiller_next() has improved.
          - FrameFiller_nextMQR() has been added.
          - FrameFiller_test() FrameFiller_testMQR() have been added.
          - Tests of FrameFiller added and improved.

2009.06.04 Kentaro FUKUCHI <fukuchi@megaui.net>
        * Makefile.am:
          - Dependency check was incorrect because of misconfiguration.
        * mask.c, mmask.c:
          - Error check has been added to {Mask,MMask}_makeMask().
        * mqrspec.[ch], qrinput.c:
          - MQRspec_getDataLength() now returns in byte.
          - MQRspec_getDataLengthBit() returns in bit instead.
        * qrencode.[ch], qrencode_inner.h:
          - QRencode_encodeStringMQR() and its 8bit version are added.
          - QRcode_encodeMaskMQR() has been added.

2009.06.01 Kentaro FUKUCHI <fukuchi@megaui.net>
        * tests/prof_qrencode.c:
          - Error check has been added.
        * tests/common.h:
          - Bug fixed.
        * qrinput.c, qrencode.h:
          - QRinput_Struct_appendInput() and QRinput_splitQRinputToStruct() now
            checks mqr flag.
        * tests/test_bitstream.c:
          - New test of 4bit padding of _toByte().

2009.05.30 Kentaro FUKUCHI <fukuchi@megaui.net>
        * configure.ac, libqrencode.pc.in:
          - New option "--enable-thread-safety" has been added. This option is
            enabled by default.
        * rscode.c, qrspec.c:
          - libqrencode has become thread-safe! (probably)
        * tests/common.h:
          - sprintfBin() removed, printBstream() added.
        * qrinput.[ch], qrencode.[ch], mqrspec.c:
          - Functions for Micro QR Code encoding have been added.
        * tests/common.h:
          - Utility functions improved.
        * tests/*.c:
          - Code cleanups.
          - Tests for Micro QR Code added.

2009.05.30 Kentaro FUKUCHI <fukuchi@megaui.net>
        * qrinput.c:
          - padlen check was wrong in QRinput_appendPaddingBit().
        * tests/test_qrinput.c:
          - Stop printing bstream->data.
          - test_padding2() has been added.

2009.05.21 Kentaro FUKUCHI <fukuchi@megaui.net>
        * qrencode.c, qrencode_inner.h:
          - MQRraw_* has been implemented.
          - Code cleanups. Struct QRRaw_code is slightly changed.
        * tests/test_qrencode.c:
          - Added new test.

2009.05.20 Kentaro FUKUCHI <fukuchi@megaui.net>
        * Merged from 3.1.0 branch. (rev 2248:HEAD)
        * mqrspec.[ch], tests/create_mqr_frame_pattern.c:
          - MQRspec_getEccSpec() has been deleted.
        * tests/create_mqr_frame_pattern.c, tests/Makefile.am:
          - Newly added.
        * mask.[ch], tests/test_mask.c, qrencode_inner.h:
          - Code cleanups.
          - Unnecessary memcpy has been eliminated.
          - New test program has been added.
        * mmask.[ch], qrencode_inner.h, tests/test_mmask.c, Makefile.am, tests/Makefile.am:
          - Mask module for Micro QR Code has been added.

2009.05.20 Kentaro FUKUCHI <fukuchi@megaui.net>
        * qrenc.c, qrinput.c, qrencode.c:
          - Some compile warnings cleared.
        * qrencode.c, tests/test_qrencode.c:
          - NULL check of an input arg has been added to
            QRcode_encodeString8bit().
          - NULL check test and empty string test have been added for
            QRcode_encodeString8bit().
        * qrinput.h, qrencode_inner.h, split.c:
          - Copyright year updates.
        * split.[ch]:
          - Split_splitStringToQRinput() set errno EINVAL if input string is
            NULL or empty.
          - Documentation improved.
        * qrenc.c:
          - perror() is now used to show the details of some errors.
        * qrencode.[ch]:
          - Some functions now set errno appropriately.
          - Typo fixes.

2009.05.20 Kentaro FUKUCHI <fukuchi@megaui.net>
        * tests/create_frame_pattern.c, tests/Makefile.am:
          - New test tool "create_frame_pattern" has been added.
        * tests/test_qrspec.c:
          - test_alignment1() has been replaced with test_newframe().
            test_newframe() compares newly created frames with frame pattern
                data created by create_frame_pattern.
        * tests/frame, tests/Makefile.am:
          - Pattern file "frame" has been added to EXTRA_DIST.
        * mask.c:
          - Very small improvement. Unnecessary malloc()s are reduced.
        * tests/test_qrencode.c:
          - Two new tests have been added.
        * split.c:
          - NULL check and string length check have been added.
        * qrspec.c, tests/test_qrinput.c:
          - Forgotten padding bits bug has been fixed. (enbugged at 2009.5.18)
          - New test for the bug above has been added.
        * qrspec.[ch], qrencode_inner.h:
          - Some function becomes __STATIC and their declarations have been
            moved to qrencode_inner.h.
        * tests/prof_qrencode.c:
          - Now liberates all heap at the end of the program.

2009.05.19 Kentaro FUKUCHI <fukuchi@megaui.net>
        * qrencode.c, qrencode_inner.h:
          - calloc() is now used to initialize rsblock.
          - Number of malloc()s in RSblock_initBlock() has been integrated to
            one malloc() in QRraw_new().
        * rscode.c:
          - A very small code improvement.
        * qrinput.[ch]:
          - More return value checks.
          - Code cleanups.
        * tests/common.h, tests/test_{split,monkey,qrinput}.c:
          - Tests improved.
        * qrspec.[ch], tests/test_qrspec.c:
          - Code cleanups.
          - QRspec_rs{Data,Ecc}Length() have been added.
        * tests/view_qrcode.c:
          - Code cleanups.
          - Disabled mask setting in structured mode.
        * tests/common.h:
          - assert_nothing() has been added.
        * qrinput.c, qrencode.c, tests/test_*.c:
          - Various *_free() now allow NULL pointer. (nothing performed)
        * qrspec.[ch]:
          - Alignment pattern is now put by QRspec_putAlignmentPattern().
            QRspec_getAlignmentPattern() and QRspec_freeAlignment() have been
                removed.

2009.05.18 Kentaro FUKUCHI <fukuchi@megaui.net>
        * qrencode.c:
          - More return value checks.
        * bitstream.c:
          - BitStream_free() allows NULL pointer (nothing performed).
        * qrinput.c:
          - QRinput_List_freeEntry() and QRinput_free() allow NULL pointer.
          - QRinput_createPaddingBit() has been replaced with
            QRinput_appendPaddingBit().
          - QRinput_convertData() now sets errno to EINVAL when input is too
            large.
          - More return value checks. Mainly for ENOMEM error.

2009.05.18 Kentaro FUKUCHI <fukuchi@megaui.net>
        * Merged from 3.1.0 branch.

2009.05.16 Kentaro FUKUCHI <fukuchi@megaui.net>
        * qrencode.h:
          - Indent improvement.
        * Makefile.am:
          - qrencode.spec has been added to EXTRA_DIST.

2009.05.14 Kentaro FUKUCHI <fukuchi@megaui.net>
        * qrinput.c, qrencode.c, qrspe.c:
          - More return value checks. Mainly for ENOMEM error.
        * qrspec.[ch], qrencode.c, tests/test_qrspec.c:
          - QRspec_getEccSpec() now accepts an int array instead to return
            multiple values instead of returning dynamic allocated array.
        * mask.c, rscode.c:
          - More return value checks from malloc().
        * configure.ac:
          - Added "--enable-mudflap" option.
        * rscode.[ch]:
          - Added free_rs_cache() for debug purpose.
        * tests/test_{monkey,qrencode,rs}.c:
          - Call free_rs_cache() at the end of the tests.
        * qrencode.c:
          - QRraw_new() and RSblock_init() have been improved.
          - Eliminated unnecessary calls of init_rs().
        * autogen.sh, configure.ac:
          - Darwin workarounds.
        * tests/common.h, tests/test_bitstream.c:
          - New tests have been added.

2009.05.12 Kentaro FUKUCHI <fukuchi@megaui.net>
        * bitstream.c:
          - BitStream_toByte() had returned non-NULL for an empty BitStream.
        * tests/test_bitstream.c:
          - test_null() has been added.
        * qrinput.c:
          - A possible memory leak has been eliminated. It happened when a wrong
            version number was given.
        * tests/test_qriput.c:
          - Memory leaks have been eliminated.

2009.05.01 Kentaro FUKUCHI <fukuchi@megaui.net>
        * Bumped version to 3.1.0.

2009.04.30 Kentaro FUKUCHI <fukuchi@megaui.net>
        * bitstream.[ch]:
          - Internal representation of BitStream has been changed from
            NUL-terminated string to unsigned char array.
        * tests/common.h, tests/test_{bitstream,qrinput}.c:
          - Some test sequences have been updated (see above).

2009.03.25 Kentaro FUKUCHI <fukuchi@megaui.net>
        * configure.ac:
          - "--without-tests" has become default setting.
        * bitstream.[ch]:
          - Now functions strictly check return value from malloc() and return
            error if it fails.

2008.10.31 Kentaro FUKUCHI <fukuchi@megaui.net>
        * tests/commo.h:
          - __FUNCTION__ has been replaced with __func__, to follow the C99
            standard.
          - The way of variadic macros has been changed, to follow the C99
            standard.

2008.10.11 Kentaro FUKUCHI <fukuchi@megaui.net>
        * qrencode_inner.h:
          - Now this header is called only by test programs.
        * qrencode.c, qrencode_inner.h:
          - Some definitions and declares written in qrencode_inner.h have been
            moved into qrencode.c:
          - QRraw_*() have been declared as __STATIC.
        * mask.[ch], qrencode.c, qrencode_inner.h:
          - Mask_makeMask() now requires QRecLevel.
          - QRencode_writeFormatInformation() has been renamed and moved to
            Mask_writeFormatInformation(), and become __STATIC.
        * tests/*.c:
          - Unneeded #include "qrencode_inner.h" have been removed.

2008.10.11 Kentaro FUKUCHI <fukuchi@megaui.net>
        * autogen.sh:
          - Darwin workaround.
        * configure.ac:
          - Now config.h offers "__STATIC" macro becomes "static" when
            "--without-tests" is specified. This macro is useful for functions
                called from test programs but not from other library codes.
        * qrinput.c:
          - Very little performance improvement.
        * mask.c:
          - Code cleanups.

2008.09.12 Kentaro FUKUCHI <fukuchi@megaui.net>
        * tests/view_qrcode.c:
          - Unused variable 'pitch' has been removed from draw_QRcode().

2008.06.03 Kentaro FUKUCHI <fukuchi@megaui.net>
        * Merged to the main trunk.

2008.06.01 Kentaro FUKUCHI <fukuchi@megaui.net>
        * qrenc.c:
          - Now it does not show the full usage when unrecognized options are
            given.
          - When "--help" is given, it displays the long usage.
        * Version 3.0.3 has been released.

2008.05.26 Kentaro FUKUCHI <fukuchi@megaui.net>
        * qrenc.c, tests/view_qrcode.c:
          - getopt_long_only() has been replaced with getopt_long() which is
            widely available. (Thanks to Gavan Fantom)
          - Now it accepts long options.
        * qrencode.1.in:
          - followed the above changes.
        * Bumped version to 3.0.3.

2008.05.18 Kentaro FUKUCHI <fukuchi@megaui.net>
        * qrspec.c:
          - The bit order of "Version information" has been corrected.
            (Thanks to Paul Janssesn)
        * configure.ac, Makefile.am:
          - The "--without-tests" has been added to the configure script.
        * qrencode.spec.in:
          - Uses "--without-tests".
        * Version 3.0.2 has been released.

2008.05.14 Kentaro FUKUCHI <fukuchi@megaui.net>
        * various files:
          - Some compile-time warnings/erros with g++ have been fixed.
            (Thanks to wangsai)

2008.05.09 Kentaro FUKUCHI <fukuchi@megaui.net>
        * qrenc.c:
          - Now qrencode writes an image file in binary mode for non-POSIX
            platform, such as MS-Windows. (bug report from Paul Janssens)
        * Makefile.am:
          - tests/test_all.sh has been added.
        * tests/test_all.sh:
          - Now it exits immediately if any test fails.
        * Version 3.0.1 has been released.

2008.05.01 Kentaro FUKUCHI <fukuchi@megaui.net>
        * qrencode.spec.in:
          - Added the man page to the files section.

2008.04.30 Kentaro FUKUCHI <fukuchi@megaui.net>
        * Version 3.0.0 has been released.

2008.04.23 Kentaro FUKUCHI <fukuchi@megaui.net>
        * Version 3.0.0rc3 has been released.
          - This will probably be the final release candidate, if all goes well.

2008.04.23 Kentaro FUKUCHI <fukuchi@megaui.net>
        * split.c:
          - Split_identifyMode() now uses isdigit() and isalnum() macros.
        * qrinput.c:
          - Error checks have been improved.
        * qrenc.c, tests/view_qrcode.c:
          - Return value checks have been added.
          - Structured-append encode with version 0 now returns error.
        * qrencode.[ch]:
          - QRencode_encodeStructuredInput() -> QRencode_encodeInputStructured()
            (for consistency with other QRencode_encode*Structured() functions)
        * mask.c:
          - A code block never called has been eliminated.

2008.04.14 Kentaro FUKUCHI <fukuchi@megaui.net>
        * Version 3.0.0rc2 has been released.

2008.04.20 Kentaro FUKUCHI <fukuchi@megaui.net>
        * qrencode.h:
          - QR_MODE_NUL has been added to QRencodeMode. Basically it is used
            only by Split_identifyMode().
        * qrinput.[ch], split.c:
          - QRinput_identifyMode() has been moved to split.c, changed to static
            and now needs a hint.
        * split.c:
          - Auto-splitting has been improved.
        * qrinput.c:
          - A memory leak has been fixed.
        * configure.ac:
          - The "--enable-gprof" and "--enable-gcov" options have been added.
        * Makefile.am:
          - man1_MANS has been moved into the "if BUILD_TOOLS - endif" block.

2008.04.14 Kentaro FUKUCHI <fukuchi@megaui.net>
        * Version 3.0.0rc1 has been released.

2008.04.14 Kentaro FUKUCHI <fukuchi@megaui.net>
        * Bumped version to 3.0.0.
        * qrencode.[ch]:
          - QRcode_encodeInput() has changed the API. Previously it takes a
            QRinput, version and level, but now it takes only a QRinput, because
            QRinput holds the version and level in it. From 3.0.0, you should
            set them by calling QRinput_setVersion() and
            QRinput_setErrorCorrectionLevel(), or use QRinput_new2() to
            instantiate a QRinput object.

2008.04.14 Kentaro FUKUCHI <fukuchi@megaui.net>
        * qrspe.c:
          - NULL check has been added.
        * split.[ch]:
          - API changed.
        * qrencode.c:
          - Arguments (version and level) are now checked in QRcode_encodeMask().
            Internal functions trust the arguments are valid.
          - Error checks improved.
        * qrinput.c:
          - Error checks improved.
        * qrencode.h:
          - Documentation improvements.

2008.04.13 Kentaro FUKUCHI <fukuchi@megaui.net>
        * qrencode.c, qrencode_inner.h, tests/view_qrcode.c:
          - Changed API of QRcode_encodeMask().
        * qrencode.[ch], qrinput.[ch], split.[ch]:
          - Some functions now set errno appropriately.

2008.04.09 Kentaro FUKUCHI <fukuchi@megaui.net>
        * qrencode.h, qrinput.c:
          - QRinput_Struct_insertStructuredAppendHeaders() and
            QRinput_insertStructuredAppendHeader now returns error, when the
            input contains too many structured inputs.
        * qrencode.c:
          - QRcode_encodeInputToStructured() now returns NULL when
            QRinput_splitQRinputToStruct() fails.
        * tests/view_qrcode.c:
          - Segmentation fault bug has been fixed. (see previous memo)

2008.04.08 Kentaro FUKUCHI <fukuchi@megaui.net>
        * qrinput.c:
          - Fixed a bug in QRinput_estimateBitStreamSizeOfEntry(). It could
            overestimate the size.
        * rscode.c:
          - Optimized the order of the parameters equality test in init_rs().
        * qrspec.c, qrspec.h:
          - Added QRspec_clearCache().
        * tests/test_estimatebit.c:
          - Bug fixed in test_numbit3().

2008.04.07 Kentaro FUKUCHI <fukuchi@megaui.net>
        * Bumped version to 2.1.0.
        * Structured append is now supported (patches from Yusuke Mihara):
          - Two new types, QRcode_List and QRinput_Struct, have been added.
          - Following functions have been added:
            - QRcode_encodeStructuredInput()
            - QRcode_encodeStringStructured()
            - QRcode_encodeString8bitStructured()
          - Some functions to handle structured append symbols have been added.
            See Doxygen-ized descriptions for the details.
        * qrenc.c:
          - "-S" option has been added for structured append.
        * split.h:
          - "extern" was dropped.
        * qrinput.h, qrencode.h:
          - Moved declarations of QRinput_{get,set}{Version,ErrorCorrectionLevel}
            from qrinput.h to qrencode.h. Now they are publicly accessible.
        * qrencode.h, qrinput.h, qrinput.c:
          - Added QRinput_new2().
          - QRinput_newEntry(), QRinput_freeEntry have been renamed to
            QRinput_List_newEntry(), QRinput_List_freeEntry().
        * split.c:
          - Bug fix: Split_eat8() now eats at least 1 byte. Previously it could
            produce a 0-length input entry.

2008.01.23 Kentaro FUKUCHI <fukuchi@megaui.net>
        * qrencode.1.in, Makefile.am, configure.ac:
          - Manpage of qrencode has been added.
        * qrenc.c, tests/view_qrcode.c:
          - Usage message has been updated.

2008.01.18 Kentaro FUKUCHI <fukuchi@megaui.net>
        * split.c:
          - Bug fixes.
        * tests/test_split.c:
          - Followed recent API changes.
          - Added new test "test_toupper()".
        * qrenc.c, tests/view_qrcode.c:
          - Source-level compatibility has been improved.
          - view_qrcode now accepts stdin like qrencode.
          - Usage message has been updated/fixed.
        * Copyright year has been updated.

2008.01.16 Kentaro FUKUCHI <fukuchi@megaui.net>
        * qrinput.c, split.c:
          - Case-sensitive mode becomes now default mode.
          - Alphabet-Numeric mode now encodes only upper-case alphabet and
            numeric characters. If "-i" option is given, split.c converts
            lower-case characters to upper-case characters at first.
        * qrenc.c, tests/view_qrcode.c:
          - Case-sensitive mode becomes now default mode.
          - Option "-i" has been added.

2007.12.14 Kentaro FUKUCHI <fukuchi@megaui.net>
        * tests/test_qrencode.c:
          - New test has been added.
        * tests/view_qrcode.c:
          - Options supported.
          - Default mask is now -1 (auto).

2007.12.13 Kentaro FUKUCHI <fukuchi@megaui.net>
        * qrencode.[ch]:
          - QRcode_writeFormatInformation now returns a number of dark modules.
        * mask.c:
          - The mask evaluation function now writes format information before
            evaluation. (Philippe Delcroix)
        * split.[ch]:
          - Case-sensitive mode has been added to QRcode_encodeString().
          - "-8" option has been added to qrenc.c.
          - "-c" now encodes in improved case-sensitive mode.
        * tests/test_{split,qrencode}.c:
          - test_split*() have been moved to test_split.c.

2007.12.10 Kentaro FUKUCHI <fukuchi@megaui.net>
        * Bumped version to 2.0.0.
        * Merged to main trunk.
        * mask.[ch], split.[ch]:
          - Masking functions and splitString functions are separated from
            qrencode.c.
        * mqrspec.[ch]:
          - Specification of Micro QR code has been added, but not used yet.

2007.03.24 Kentaro FUKUCHI <fukuchi@megaui.net>
        * Bumped version to 1.0.2.

2007.03.24 Kentaro FUKUCHI <fukuchi@megaui.net>
        * qrencode.c (QRcode_splitStringToQRinput):
          - a small bug fix. (Thanks to NANKI Haruo)
        * qrencode.h:
          - "extern "C"" barrier has been added for C++.
        * test/view_qrcode.c:
          - a typo fix.

2006.12.27 Kentaro FUKUCHI <fukuchi@megaui.net>
        * Bumped version to 1.0.1.

2006.12.27 Kentaro FUKUCHI <fukuchi@megaui.net>
        * qrenc.c, qrencode.[ch]:
          - Added force 8-bit encoding mode.
        * Makefile.am :
          - Automake/Autoconf files have been added to dist-package.

2006.12.17 Kentaro FUKUCHI <fukuchi@megaui.net>
        * qrencode_inner.h, qrencode.c:
          - Removed unused member variable "b2" from QRRawCode.
        * configure.ac, Makefile.am, acinclude.m4:
          - Better configuration of libpng. (now uses pkg-config correctly)

2006.12.02 Kentaro FUKUCHI <fukuchi@megaui.net>
        * Bumped version to 1.0.0.

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