2014-09-24  Hayaki Saito <user@zuse.jp>

  * converters/img2sixel.c: Do cropping after resizing by changing the order of arguments
  * converters/shell-completion/zsh/_img2sixel: Update zsh completion file
  * converters/shell-completion/bash/img2sixel: Update bash completion file

2014-09-23  Hayaki Saito <user@zuse.jp>

  * converters/img2sixel.c: Add --crop option

2014-08-03  Hayaki Saito <user@zuse.jp>

  * README.md, converters/img2sixel.c, converters/sixel2png.c: Add --version
  and --help option

  * configure, configure.ac, package.json: Bump version

  * Makefile.in, config.h.in, configure, configure.ac, converters/Makefile.in,
  include/Makefile.in, src/Makefile.in, src/wic.cc, wic/wic.cc,
  wic/wic_install.reg.in, wic/wic_uninstall.reg.in, wic_install.reg.in,
  wic_uninstall.reg.in: Temporary drop wic integration

  * README.md, data/gnuplot.png, data/gs.png, data/libsixel-1.png,
  data/q_libsixel.png, data/q_ppmtosixel.png, data/q_ppmtosixel2.png,
  data/q_sixel.png, data/q_sixelconv.png, data/sixel.gif, data/zx81.png: Update
  README

2014-08-02  Hayaki Saito <user@zuse.jp>

  * config.h.in, configure, configure.ac: Bump version

  * README.md, converters/img2sixel.c: Add --macro-number option

2014-07-28  Hayaki Saito <user@zuse.jp>

  * configure, configure.ac, package.json: Update version

  * config.h.in, configure, configure.ac, converters/img2sixel.c: Improve time
  precision of animation rendering

  * configure, configure.ac, package.json: Update micro version

2014-07-26  Hayaki Saito <user@zuse.jp>

  * converters/img2sixel.c, converters/loader.c, converters/loader.h: Respect
  delay by each frame

  * configure, configure.ac, package.json: Bump version

2014-07-25  Hayaki Saito <user@zuse.jp>

  * configure, configure.ac, package.json: Bump version

2014-07-24  Hayaki Saito <user@zuse.jp>

  * LICENSE.images, LICENSE.stb: Minor update of LICENSE files

  * configure, configure.ac, package.json: Bump version

2014-07-23  Hayaki Saito <user@zuse.jp>

  * configure, configure.ac, package.json: Bump version

2014-07-21  Hayaki Saito <user@zuse.jp>

  * configure, configure.ac, package.json: Bump version

  * README.md, converters/img2sixel.1: Add some descriptions for new options to
  documents

  * converters/img2sixel.c, converters/loader.c, converters/stb_image.h:
  Initial implementation for --use-macro option

2014-07-19  Hayaki Saito <user@zuse.jp>

  * configure, configure.ac, package.json: Bump version

  * configure, configure.ac, package.json: Update version

  * README.md, converters/img2sixel.1: Update document

  * README.md, converters/img2sixel.1: Update img2sixel document

  * config.h.in, configure, configure.ac, converters/img2sixel.c: Check
  usleep(3) availabiliey

  * converters/img2sixel.c, converters/loader.c, converters/loader.h: Respect
  "delay time" setting in GIF header

  * converters/img2sixel.c, converters/loader.c, converters/loader.h: Implement
  "loop control" option

2014-07-17  Hayaki Saito <user@zuse.jp>

  * converters/img2sixel.c, converters/loader.c, converters/loader.h: Add new
  CLI argument: --loop-control

  * config.h.in, configure, configure.ac, converters/img2sixel.c: Checks
  availability of SIGINT/SIGTERM/SIGHUP

  * Makefile.am, Makefile.in: Except libsixel.pc from CLEANFILES

  * configure, configure.ac: Style improvement

  * config.h.in, configure, configure.ac, converters/img2sixel.c: Checks
  signal(3) availability

  * configure, configure.ac: Bump version

2014-07-16  Hayaki Saito <user@zuse.jp>

  * converters/img2sixel.c, converters/loader.c, converters/loader.h: Change
  the signature of load_image_file

  * converters/Makefile.am, converters/Makefile.in, converters/loader.c:
  Include stb_image.h into loader.c

2014-07-09  Hayaki Saito <user@zuse.jp>

  * configure, configure.ac: Update version

  * Makefile.in, configure, converters/Makefile.in, include/Makefile.in,
  src/Makefile.in: Rebuild build files

  * configure.ac, package.json.in: clib's package.json integration

  * configure, configure.ac: Bump version

2014-06-20  Hayaki Saito <user@zuse.jp>

  * LICENSE.stb, LICENSE.stbi, LICENSE.stbiw: Update some LICENSE files

  * configure, configure.ac: Fix a typo

  * configure, configure.ac: Fix linker error: gdImageCreateFromTiffPtr not
  found in ArchLinux

  * configure, configure.ac: Bump version

2014-06-19  Hayaki Saito <user@zuse.jp>

  * configure, configure.ac: Do PKG_PROG_PKG_CONFIG out of if-clause

  * configure, configure.ac: Bump version

2014-06-18  Hayaki Saito <user@zuse.jp>

  * configure, configure.ac: Bump version

  * Makefile.am, Makefile.in: Fix travis build

  * config.guess, config.h.in, config.sub, configure, ltmain.sh, m4/libtool.m4,
  m4/ltoptions.m4, m4/ltversion.m4: Update libtool version to 2.4.2

  * configure, configure.ac: Fix wrong AC_ARG_WITH option parsing, reported by
  @ttdoda

  * Makefile.am, Makefile.in: Fix a typo in valgrind target

2014-06-16  Hayaki Saito <user@zuse.jp>

  * Makefile.am, Makefile.in: Fix travis build

2014-06-15  Hayaki Saito <user@zuse.jp>

  * Makefile.am, Makefile.in: Minor fix

  * Makefile.in, configure, configure.ac, include/Makefile.in, src/Makefile.in:
  Add new configure option, --with-zshcompletiondir

  * converters/Makefile.am, converters/Makefile.in: Add a zsh completion file
  to install target

  * converters/sixel2png.c, converters/stb_image_write.h: Update
  stb_image_write version to 0.94

  * configure, configure.ac: Update version

  * Makefile.in, config.guess, config.h.in, config.sub, configure,
  configure.ac, include/Makefile.in, ltmain.sh, m4/libtool.m4, m4/ltoptions.m4,
  m4/ltversion.m4, src/Makefile.in: Add new configure option,
  --with-bashcompletiondir

  * converters/Makefile.am, converters/Makefile.in: Add bash-completion file to
  install target

  * configure, configure.ac: Update version

2014-06-11  Hayaki Saito <user@zuse.jp>

  * images/snake.tga, images/snake.tiff: Add TGA/TIFF test images

  * Makefile.am, Makefile.in, converters/Makefile.am, converters/Makefile.in:
  Update tests

  * converters/Makefile.am, converters/Makefile.in: Minor fixes

  * Makefile.am, Makefile.in: Minor fix

  * Makefile.am, Makefile.in: Update makefile

  * Makefile.am, Makefile.in: Allow "possibly lost" and "still reachable" on
  checking leaks with valgrind

2014-06-10  Hayaki Saito <user@zuse.jp>

  * Makefile.am, Makefile.in: Strip garbage output from valgrind.log

  * aclocal.m4, configure: Update configure script

  * Makefile.in, configure, configure.ac, converters/Makefile.in,
  include/Makefile.in, src/Makefile.in: Fix a configuration bug where
  gdk-pixbuf flags are not set

2014-06-10  saitoha <user@zuse.jp>

  * .travis.yml, Makefile.am, Makefile.in, aclocal.m4, configure,
  src/tosixel.c: Add --disable-shared configure option with gcov target

2014-06-10  Hayaki Saito <user@zuse.jp>

  * Makefile.am, Makefile.in: Remove valgrind.log in clean target

  * .travis.yml, Makefile.am, Makefile.in: Add valgrind target to Makefile

  * Makefile.in, converters/Makefile.in: Minor fixes

  * Makefile.am, converters/Makefile.am: Add some CLEANFILES

  * Makefile.am, Makefile.in: Add workaround for a cpp-coveralls problem

  * .coveralls.yml, Makefile.am, Makefile.in, converters/.coveralls.yml,
  converters/Makefile.am, converters/Makefile.in, src/Makefile.am: Fix travis
  build

  * Makefile.am, Makefile.in, converters/Makefile.am, converters/Makefile.in,
  src/Makefile.am: Add coveralls tqrget to makefiles

2014-06-09  Hayaki Saito <user@zuse.jp>

  * configure, configure.ac, converters/Makefile.am, converters/Makefile.in,
  src/Makefile.am, src/Makefile.in: Add new configure option --enable-gcov

  * converters/loader.c, converters/stb_image.c, converters/stb_image.h:
  Headerify stb_image

2014-06-08  Hayaki Saito <user@zuse.jp>

  * sixel_orig/tosixel.c, src/tosixel.c: Add workarounds for old version of
  mlterm

2014-06-07  Hayaki Saito <user@zuse.jp>

  * LICENSE.tw, converters/quant.c: Drop unused pattern-dither function

2014-06-06  Hayaki Saito <user@zuse.jp>

  * converters/frompnm.c, converters/loader.c: Fix linker error for mingw
  environment

  * Makefile.in, configure, configure.ac, wic_install.reg, wic_install.reg.in,
  wic_uninstall.reg, wic_uninstall.reg.in: Add new configure output target:
  wic_install.reg/wic_uninstall.reg

  * Makefile.in, config.guess, config.h.in, config.sub, configure,
  configure.ac, converters/Makefile.in, include/Makefile.in, ltmain.sh,
  m4/libtool.m4, m4/ltoptions.m4, m4/ltversion.m4, src/Makefile.in: Update
  build files

2014-06-05  Hayaki Saito <user@zuse.jp>

  * src/wic.cc, wic_install.reg, wic_uninstall.reg: Add some files for WIC
  integration

  * Makefile.in, config.h.in, configure, converters/Makefile.in,
  include/Makefile.in, src/Makefile.in: Update build files

  * configure, configure.ac: Update configure script

2014-05-30  Hayaki Saito <user@zuse.jp>

  * config.h.in, configure, configure.ac: Add a config.h definition which
  represents getopt_long avilability

  * configure, configure.ac: Check libiconv avilability if --with-gd is
  specified

  * configure, configure.ac: Check host environment

2014-05-28  Hayaki Saito <user@zuse.jp>

  * configure, configure.ac: Continue to configure without pkg-config if
  GDK_PIXBUF_CFLAGS and GDK_PIXBUF_LIBS is set

  * configure, configure.ac: Don't use addition assingment operator in
  configure, it's an extension of bash. reported by @ttdoda

2014-05-25  Hayaki Saito <user@zuse.jp>

  * converters/img2sixel.1, converters/sixel2png.1: Update "See Also" section
  of img2sixel/sixel2png

  * Makefile.in, configure, configure.ac, converters/Makefile.in,
  include/Makefile.in, src/Makefile.in: Rebuild

  * Makefile.in, configure: Rebuild

  * converters/malloc_stub.c, converters/stb_image.c: Fix for some environment
  lacks memory.h

  * Makefile.in, config.h.in, configure, configure.ac, converters/Makefile.in,
  include/Makefile.in, src/Makefile.in: Drop unused gio-2.0 detection

  * Makefile.in, config.h.in, configure, configure.ac, converters/Makefile.in,
  converters/loader.c, include/Makefile.in, src/Makefile.in: Fix segmentation
  errors when loading stdin with gdk-pixbuf

  * converters/Makefile.am, converters/Makefile.in: Build with frompnm.c

  * converters/frompnm.c, converters/frompnm.h: Add PNM loader imported from
  kmiya's sixel

2014-05-24  Hayaki Saito <user@zuse.jp>

  * config.h.in, configure: Rebuild configure script

  * converters/malloc_stub.c, converters/malloc_stub.h: Drop unused
  posix_memalign stub function

  * Makefile.in, configure, converters/Makefile.am, converters/Makefile.in,
  include/Makefile.in, src/Makefile.in: Update build scripts

2014-05-21  Hayaki Saito <user@zuse.jp>

  * configure, configure.ac: Minor fix

  * converters/img2sixel.c, converters/loader.c: Fix segfault when source image
  is GIF

2014-05-20  Hayaki Saito <user@zuse.jp>

  * configure, configure.ac: Display configure summary

  * src/fromsixel.c, src/tosixel.c: Cleanup

  * converters/Makefile.am, converters/Makefile.in, converters/img2sixel.c,
  converters/loader.c, converters/loader.h: Add loader.c

2014-05-19  Hayaki Saito <user@zuse.jp>

  * configure, configure.ac: Search package gdlib not but libgd

  * Makefile.in, configure, configure.ac, converters/Makefile.am,
  converters/Makefile.in, include/Makefile.in, src/Makefile.in: Add --with-gd
  option

  * .gitignore, .travis.yml, configure, configure.ac: Up to date

  * configure, configure.ac, converters/Makefile.am, converters/Makefile.in:
  Raise errors if gdk-pixbuf/libcurl are not available when they are enabled

  * configure, configure.ac: Add new configure options, --enable-gdk-pixbuf2
  and --enable-libcurl

  * converters/Makefile.am, converters/Makefile.in: Update CFLAGS and LDADD for
  img2sixel

  * Makefile.in, aclocal.m4, config.h.in, configure, configure.ac,
  converters/Makefile.in, include/Makefile.in, src/Makefile.in: Check
  gdk-pixbuf2 and libcurl availability

  * build-gdkpixbuf.sh, converters/img2sixel.c: Integrate libcurl only if
  gdk-pixbuf is not available

2014-05-17  Hayaki Saito <user@zuse.jp>

  * README.md, converters/img2sixel.1: Update manpage and README

  * README.md, converters/img2sixel.1, converters/img2sixel.c: Fix typos: sence
  -> sense

  * README.md, configure: Rebuild

2014-05-16  Hayaki Saito <user@zuse.jp>

  * configure, configure.ac: Update version

  * converters/Makefile.am, converters/Makefile.in: Add some smoke tests

2014-05-14  Hayaki Saito <user@zuse.jp>

  * configure, configure.ac: Update version

  * converters/img2sixel.c, converters/quant.c: Use pattern dither when doing
  monochrome quantization

  * README.md, converters/img2sixel.c: Minor fix

  * converters/img2sixel.c, converters/quant.c: Minor fix

  * converters/img2sixel.c, converters/quant.c, converters/quant.h: Implement
  --quality option

2014-05-13  Hayaki Saito <user@zuse.jp>

  * README.md, converters/img2sixel.1, converters/img2sixel.c,
  converters/quant.c, converters/scale.c, converters/scale.h: Add welsh
  resampling filter

2014-05-12  Hayaki Saito <user@zuse.jp>

  * README.md, converters/img2sixel.1: Add reference notations of ImageMagick

2014-05-11  Hayaki Saito <user@zuse.jp>

  * configure, configure.ac: Bump version

  * README.md, converters/img2sixel.c: Update README

  * config.h.in, configure, configure.ac, converters/malloc_stub.c,
  converters/malloc_stub.h: Prepare for SSE2 extension

2014-05-10  Hayaki Saito <user@zuse.jp>

  * configure, configure.ac: Update version

  * README.md, converters/img2sixel.1, converters/img2sixel.c,
  converters/quant.c, converters/quant.h: Add burkes' dithering method

  * README.md, converters/img2sixel.1, converters/img2sixel.c,
  converters/quant.c, converters/quant.h: Add stucki's dithering method

  * configure, configure.ac: Bump version

  * converters/img2sixel.1, converters/img2sixel.c, converters/quant.c,
  converters/quant.h: Add Bill Atkinson's dithering method

2014-05-09  Hayaki Saito <user@zuse.jp>

  * converters/Makefile.am, converters/Makefile.in, src/Makefile.am,
  src/Makefile.in: Strip -O3 option

  * README.md, converters/img2sixel.1, converters/img2sixel.c,
  converters/scale.c, converters/scale.h: Add gaussian/hanning/hamming filter
  for resampling

2014-05-08  Hayaki Saito <user@zuse.jp>

  * configure, configure.ac: Update version

  * README.md, converters/img2sixel.1, converters/img2sixel.c: Add and
  implement -f and -s option

  * converters/img2sixel.c, converters/quant.c, converters/quant.h,
  converters/scale.c, converters/scale.h: Cleanup

  * converters/img2sixel.c, converters/quant.c: Cleanup

  * converters/img2sixel.c, converters/quant.h: Minor fix for processing
  options, -d and -r

  * README.md, converters/img2sixel.1, converters/img2sixel.c,
  converters/scale.c: Change default re-sampling option to bilinear method

  * configure, configure.ac: Update version

  * converters/img2sixel.c, converters/quant.c, converters/quant.h: Add
  "foptimize" strategy option to LSQ_ApplyPalette

  * converters/img2sixel.c, converters/quant.c, converters/scale.c,
  converters/scale.h: Add methodForResampling argument to LSS_scale signature

2014-05-07  Hayaki Saito <user@zuse.jp>

  * converters/Makefile.am, converters/Makefile.in, src/Makefile.am,
  src/Makefile.in: Add -O3 to CFLAGS

  * converters/img2sixel.c, converters/scale.c, converters/scale.h: Fix the
  signature of LSS_Scale

  * converters/Makefile.am, converters/Makefile.in: enable HDR image format

  * converters/Makefile.am, converters/Makefile.in: Fix build

  * README.md, converters/img2sixel.1: Update README and manpage

  * converters/Makefile.am, converters/Makefile.in: Rebuild

  * converters/scale.c, converters/scale.h: Add the image resizing function

2014-05-04  Hayaki Saito <user@zuse.jp>

  * config.h.in, converters/Makefile.in: Update configure script

2014-05-02  Hayaki Saito <user@zuse.jp>

  * configure, configure.ac: Bump version

  * configure.ac, converters/img2sixel.c, converters/sixel2png.c: Fix broken
  build for non-win32 environment

2014-05-01  Hayaki Saito <user@zuse.jp>

  * config.h.in, configure, converters/Makefile.in: Rebuild configure script

  * Makefile.am, Makefile.in, converters/Makefile.am: Add new target winetest

  * converters/quant.c, converters/sixel2png.c: Get rid of utf8_t

  * converters/img2sixel.c, converters/sixel2png.c,
  converters/stb_image_write.h: Respect HAVE_O_BINARY, HAVE_SET_MODE,
  HAVE__SET_MODE

  * converters/img2sixel.c, converters/sixel2png.c: Respect HAVE_ERRNO_H

  * config.h.in, configure: Rebuild configure script

  * converters/Makefile.am, converters/Makefile.in, converters/sixel2png.c:
  Link malloc_stub.c with sixel2png

  * config.h.in, configure, configure.ac, converters/img2sixel.c: Don't use
  _O_BINARY to prevent build error

  * converters/img2sixel.c, converters/quant.c: Include malloc_stub.h

  * converters/Makefile.am, converters/Makefile.in: Add malloc_stub.c to target
  source files

  * converters/malloc_stub.c, converters/malloc_stub.h: Add malloc stub files

  * converters/img2sixel.c, converters/sixel2png.c: Implement
  rpl_malloc/rpl_realloc for mingw target

  * README.md, converters/img2sixel.c: Fix wrong english

2014-04-30  Hayaki Saito <user@zuse.jp>

  * configure, configure.ac: Initial package relase

  * configure, configure.ac, converters/Makefile.am, converters/Makefile.in:
  Update configure option

2014-04-28  Hayaki Saito <user@zuse.jp>

  * Makefile.in, config.h.in, configure, configure.ac, converters/Makefile.in,
  include/Makefile.in, src/Makefile.am, src/Makefile.in: Start to define ABI
  version

  * converters/Makefile.am, converters/Makefile.in: img2sixel, sixel2png: stop
  ambiguous link using LDADD instead of using -l and -L flags

2014-04-24  Hayaki Saito <user@zuse.jp>

  * converters/img2sixel.c, src/tosixel.c: Implement 7bit/8bit mode

  * src/fromsixel.c, src/tosixel.c: Minor fix

  * include/sixel.h, src/output.c: Add some compatibility options to
  LSOutputContext structure

  * include/sixel.h, src/tosixel.c: Add error handling, and change the
  signature of LibSixel_LSImageToSixel

  * configure, configure.ac, converters/quant.c, src/fromsixel.c, src/image.c,
  src/tosixel.c: Don't use stdint.h for old compilers

2014-04-20  Hayaki Saito <user@zuse.jp>

  * converters/quant.c, converters/quant.h: Linting

2014-04-14  Hayaki Saito <user@zuse.jp>

  * src/Makefile.am, src/Makefile.in: Fix a build error (sixel.h is missing,
  reported by @ttdoda).

  * converters/Makefile.in, include/Makefile.in: Add missing build files

  * README.md, converters/img2sixel.c, converters/sixel2png.c: Update usage
  description

  * config.h.in, configure, configure.ac, converters/img2sixel.c,
  converters/sixel2png.c: Support long options

  * src/Makefile.am, src/Makefile.in: Fix a build error (sixel.h is missing,
  reported by @ttdoda).

  * converters/Makefile.in, include/Makefile.in: Add missing build files

  * README.md, converters/img2sixel.c, converters/sixel2png.c: Update usage
  description

  * config.h.in, configure, configure.ac, converters/img2sixel.c,
  converters/sixel2png.c: Support long options

2014-04-13  Hayaki Saito <user@zuse.jp>

  * converters/img2sixel.c, converters/quant.c, converters/quant.h: Use
  Floyd-Steinberg diffusion method only if original colors is more than reduced
  colors

  * configure, configure.ac: Add new configure switch --disable-img2sixel
  --disable-sixel2png

  * converters/Makefile.am, include/Makefile.am: Add new Makefiles for
  separated directories

2014-04-10  Hayaki Saito <user@zuse.jp>

  * Makefile.am, Makefile.in, config.h.in, configure, configure.ac,
  converters/img2sixel.c, converters/quant.c, converters/quant.h,
  converters/sixel2png.c, converters/stb_image.c, converters/stb_image_write.c,
  converters/stb_image_write.h, src/Makefile.am, src/Makefile.in,
  src/img2sixel.c, src/quant.c, src/quant.h, src/sixel2png.c, src/stb_image.c,
  src/stb_image_write.c, src/stb_image_write.h: Move source files of converter
  programs to new directory converters/

  * Makefile.am, Makefile.in, configure, configure.ac, include/sixel.h,
  src/Makefile.am, src/Makefile.in, src/sixel.h: Move the include file sixel.h
  to separated directory

2014-04-04  saitoha <user@zuse.jp>

  * src/img2sixel.c, src/stb_image_write.c: Use bcopy/bmove if memcpy/memmove
  is not availabe

  * config.h.in, configure: Update ./configure

2014-04-02  Hayaki Saito <user@zuse.jp>

  * src/fromsixel.c, src/image.c, src/sixel.h: Remove uint8_t from public
  interface

  * src/fromsixel.c, src/img2sixel.c, src/output.c, src/sixel.h,
  src/sixel2png.c, src/tosixel.c: Change interface signature of output.c

  * src/img2sixel.c, src/quant.c, src/quant.h: Change interface signature of
  quant.c

  * Makefile.in, src/Makefile.in: Rebuild

  * src/img2sixel.c, src/quant.c: Include quant.h and change signatures
  exported from quant.c

2014-03-31  Hayaki Saito <user@zuse.jp>

  * src/image.c, src/quant.c, src/stb_image.c, src/stb_image_write.h: Strip
  trailing spaces

  * src/stb_image.c, src/stb_image_write.h: Change end of line style of some
  files, CRLF to LF

2014-03-29  Hayaki Saito <user@zuse.jp>

  * configure, configure.ac: Rebuild

  * Makefile.am, Makefile.in, config.h.in, configure, configure.ac,
  src/Makefile.am, src/Makefile.in: Update version

  * Makefile.am, Makefile.in, config.h.in, configure, configure.ac,
  fromsixel.c, image.c, img2sixel.c, output.c, quant.c, sixel.h, sixel2png.c,
  src/Makefile.am, src/Makefile.in, src/fromsixel.c, src/image.c,
  src/img2sixel.c, src/output.c, src/quant.c, src/sixel.h, src/sixel2png.c,
  src/stb_image.c, src/stb_image_write.c, src/stb_image_write.h, src/tosixel.c,
  stb_image.c, stb_image_write.c, stb_image_write.h, tosixel.c: Move source
  files to src directory

  * Makefile.am, Makefile.in, images/map8.png, quant.c: Minor fix

  * README.md, quant.c: Update README

  * README.md, images/map16.png, images/map8.png: Add color map image files

  * fromsixel.c, img2sixel.c, quant.c: Tweak for applying palette

2014-03-28  Hayaki Saito <user@zuse.jp>

  * LICENSE.pnmcolormap, LICENSE.pnmquant: Rename a license file

  * LICENSE.sixel, LICENSE.sixel_original_version, sixel_orig/Makefile,
  sixel_orig/frompnm.c, sixel_orig/fromsixel.c, sixel_orig/main.c,
  sixel_orig/tosixel.c, sixel_original_version/Makefile,
  sixel_original_version/frompnm.c, sixel_original_version/fromsixel.c,
  sixel_original_version/main.c, sixel_original_version/tosixel.c: Rename the
  directory of sixel original version

  * configure, configure.ac: Fix typo

2014-03-27  Hayaki Saito <user@zuse.jp>

  * configure, configure.ac: Minor fix

  * configure, configure.ac: Minor fix

  * Makefile.in, aclocal.m4, config.guess, config.sub, configure, configure.ac,
  ltmain.sh, m4/libtool.m4, m4/ltoptions.m4, m4/ltversion.m4, missing: Update
  timestamps of some files during running configure script

  * m4/libtool.m4, m4/ltoptions.m4, m4/ltsugar.m4, m4/ltversion.m4,
  m4/lt~obsolete.m4: Add m4 directory again

2014-03-26  Hayaki Saito <user@zuse.jp>

  * config.guess, config.sub, install-sh, missing: Rebuild

  * Makefile.in, aclocal.m4, configure, configure.ac, ltmain.sh: Recreate build
  files in automake-1.14/libtool-2.4 environment

  * aclocal.m4, configure, m4/libtool.m4, m4/ltoptions.m4, m4/ltsugar.m4,
  m4/ltversion.m4, m4/lt~obsolete.m4: Rebuild

  * Makefile.in, aclocal.m4, configure, configure.ac: Rebuild

  * m4/libtool.m4, m4/ltoptions.m4, m4/ltsugar.m4, m4/ltversion.m4,
  m4/lt~obsolete.m4: Add m4 scripts

  * fromsixel.c, quant.c: Linting

  * Makefile.am, Makefile.in, config.h.in, configure, configure.ac, image.c,
  img2sixel.c, quant.c, sixel2png.c, tosixel.c: Minor fix

2014-03-24  Hayaki Saito <user@zuse.jp>

  * aclocal.m4, configure: Rebuild

  * LICENSE.pnmquant, README.md: Add license notice of pnmquant.c

  * img2sixel.c, quant.c: Imported mediancut algorithm implementation from
  pnmquant.c of netpbm

2014-03-23  Hayaki Saito <user@zuse.jp>

  * aclocal.m4, configure, configure.ac: Build fix for ubuntu jessy environment

  * images/egret.jpg, images/snake.jpg: Resize images

  * fromsixel.c, tosixel.c: Linting

  * img2sixel.c, sixel.h, sixel2png.c, tosixel.c: Drop OutputContext::fn_puts

  * Makefile.am, Makefile.in: Update makefile

  * image.c, img2sixel.c, quant.c, sixel.h, sixel2png.c: Add license blocks

  * Makefile.am, Makefile.in: Update makefile

2014-03-22  Hayaki Saito <user@zuse.jp>

  * Makefile.am, Makefile.in: Build tweak

  * fromsixel.c, image.c, img2sixel.c, sixel.h, sixel2png.c, tosixel.c: Rename
  public symbols

  * Makefile.am, Makefile.in: Add missing LD flag -lm

  * fromsixel.c, image.c, img2sixel.c, quant.c, sixel.h, sixel2png.c,
  tosixel.c: Add some modlines for editors

  * Makefile.am, Makefile.in: Add test target

  * Makefile.in, aclocal.m4, compile, config.guess, config.h.in, config.sub,
  configure, configure.ac, depcomp, ltmain.sh, missing: Use automake

  * configure, configure.ac: Bump version

  * sixel.h, tosixel.c: Fix for the case putchar is implemented as macro

  * Makefile.in, img2sixel.c: Fix for cygwin environment

2014-03-22  saitoha <user@zuse.jp>

  * Makefile.in, fromsixel.c, image.c, img2sixel.c, quant.c, sixel.h,
  sixel2png.c, tosixel.c: Build fix for linux environment

2014-03-22  Hayaki Saito <user@zuse.jp>

  * Makefile.in, sixel2png.c: Implement -i and -o option for sixel2png

  * fromsixel.c, image.c, quant.c, sixel.h, sixel2png.c, tosixel.c: Linting

  * fromsixel.c, image.c, img2sixel.c, sixel.h, sixel2png.c: Add sixel2png.c

  * fromsixel.c, sixel.h: Minor fix

  * fromsixel.c, image.c, img2sixel.c, sixel.h, tosixel.c: Linting

2014-03-21  Hayaki Saito <user@zuse.jp>

  * Makefile, config.h.in, configure, configure.ac: Use autoconf

  * fromsixel.c, img2sixel.c, tosixel.c: use uint8_t insted of unsigned char

  * Makefile, fromsixel.c, image.c, sixel.h: Add image.c

  * LICENSE.sixel_original_version, LICENSE.stb_image, LICENSE.stbi, Makefile,
  fromsixel.c, img2sixel.c, main.c, sixel.h, tosixel.c: Minor fix

  * LICENSE.images, images/egret.jpg, images/snake.jpg: Add test images

  * LICENSE.stbiw, stb_image_write.h: Add stb_image_write.h and license file

  * LICENSE, LICENSE.sixel_original_version, LICENSE.stb_image, tosixel.c: Add
  license files

  * Makefile, main.c, quant.c: Minor fix

  * sixel_original_version/Makefile, sixel_original_version/frompnm.c,
  sixel_original_version/fromsixel.c, sixel_original_version/main.c,
  sixel_original_version/tosixel.c: Add original version (2014-3-2) of sixel

  * Makefile, main.c: implement -p option

2014-03-19  Hayaki Saito <user@zuse.jp>

  * fromsixel.c, tosixel.c: Import sixel encoder/decoder written by kmiya
  http://nanno.dip.jp/softlib/man/rlogin/sixel.tar.gz
