2014-10-03  Antonio Diaz Diaz  <antonio@gnu.org>

	* Version 0.24 released.
	* Improvements in character recognition.
	* Allow more than one '-e, --filter' option.
	* Added new filters 'same_height', 'upper_num' and 'upper_num_only'.
	* New file histogram.h.
	* ocrcheck.cc: Renamed to ocradcheck.cc.
	* ocrad.texi: Fixed description of OCRAD_result_blocks.
	* License changed to GPL version 2 or later.

2014-03-10  Antonio Diaz Diaz  <antonio@gnu.org>

	* Version 0.23 released.
	* Improvements in character recognition.
	* Filters of type '*_only' now remove leading whitespace.
	* ocradlib.h: Changed 'uint8_t' to 'unsigned char'.
	* Added some missing inclusions of 'cstdlib'.
	* ocrad.texinfo: Renamed to ocrad.texi.

2013-07-09  Antonio Diaz Diaz  <antonio@gnu.org>

	* Version 0.22 released.
	* Scaling and smoothing are now made before thresholding.
	* Improvements in character recognition.
	* ocradlib.h: Added new function OCRAD_set_utf8_format.
	* Small improvements have been made in manual and man page.
	* Changed quote characters in messages as advised by GNU Standards.
	* configure: Options now accept a separate argument.
	* configure: 'datadir' renamed to 'datarootdir'.
	* Makefile.in: Added new target 'install-bin'.

2011-01-10  Antonio Diaz Diaz  <ant_diaz@teleline.es>

	* Version 0.21 released.
	* Fixed some internal errors triggered by noisy input.
	* ocrad.texinfo: Added chapter 'OCR Results File'.
	* main.cc: Set stdin/stdout in binary mode on MSVC and OS2.

2010-07-16  Antonio Diaz Diaz  <ant_diaz@teleline.es>

	* Version 0.20 released.
	* ocradlib.h: Added new function OCRAD_scale.
	* ocradlib.h: Added new function OCRAD_result_chars_total.
	* ocradlib.h: Added new function OCRAD_result_chars_block.
	* ocradlib.h: Added new function OCRAD_result_chars_line.

2010-01-27  Antonio Diaz Diaz  <ant_diaz@teleline.es>

	* Version 0.19 released.
	* Added library interface (ocradlib.h).
	* Option '-p, --crop' replaced with similar but different option
	  '-u, --cut', which can accept coordinates taken from the ORF file.
	* Recognition of files with a single character and without white
	  space at the edges has been fixed.
	* testsuite/check.sh: Added new tests for the library interface
	  and for single character images.
	* New files ocradlib.h, ocradlib.cc, ocrcheck.cc.
	* Makefile.in: Added '--name' option to help2man invocation.

2009-05-08  Antonio Diaz Diaz  <ant_diaz@teleline.es>

	* Version 0.18 released.
	* Added a layout analyser able to process arbitrary pages.
	* Added new option '-q, --quiet'.
	* The '--layout' option no more accepts an argument.
	* The '--crop' option now accepts negative coordinates.
	* New recognized letter; 'a' with ring above.
	* Fixed recognition on files with a single big character.
	* Fixed bug that didn't write maxval when saving pgm or ppm.
	* Fixed some includes that prevented compilation with GCC 4.3.0.
	* 'make install-info' should now work on Debian and OS X.
	* Makefile.in: Man page is now installed by default.
	* New file testsuite/check.sh.
	* Arg_parser updated to 1.2.
	* Verbosity control of messages has been modified.

2007-06-29  Antonio Diaz Diaz  <ant_diaz@teleline.es>

	* Version 0.17 released.
	* License updated to GPL version 3 or later.
	* '--scale' no more suppresses ORF output.
	* Improved removal of thick frames.
	* Changed 'Textline' to accept more than one big initial.
	* Class 'Block' renamed to 'Blob'.
	* 'configure' and 'Makefile.in' have been modified to be more
	  GNU-standards compliant.

2006-10-20  Antonio Diaz Diaz  <ant_diaz@teleline.es>

	* Version 0.16 released.
	* Added new option '-e, --filter'.
	* Better algorithm for vertical space detection (blank lines).
	* Some fixes made to 'configure' script.
	* Added two new debug levels.
	* Improvements in character recognition.

2006-04-03  Antonio Diaz Diaz  <ant_diaz@teleline.es>

	* Version 0.15 released.
	* Added new argument parser that replaces 'getopt_long'.
	* Fixed a bug that prevented compilation with GCC 4.1.

2006-02-15  Antonio Diaz Diaz  <ant_diaz@teleline.es>

	* Version 0.14 released.
	* Ocrad is now able to read ppm files.
	* Added new class 'Page_image' (256-level greymap).
	* Added automatic and adaptive binarization by Otsu's method.
	* Added new option '-p, --crop'.
	* Added two new chapters 'Image Format Conversion' and
	  'Algorithm' to the texinfo file.
	* Target 'check' added to Makefile.
	* Changed 'ocrad.png' icon to color, one line.

2005-10-10  Antonio Diaz Diaz  <ant_diaz@teleline.es>

	* Version 0.13 released.
	* Ocrad is now able to read pgm files.
	* Added new rational number class.
	* Use rationals instead of integers in space detection algorithm.
	* Better algorithm for space detection in tables.
	* 'vector<bool>' replaced by 'vector<char>' in bitmap (faster).
	* Variable-size arrays replaced by vectors in block.cc.
	* Fixed sizeof(size_t) != sizeof(int) on some 64 bit systems.
	* Improved number recognition (mainly in textline_r2.cc).
	* Overflow detection when loading or scaling file.
	* Fixed a miscompilation with GCC 3.3.1.
	* Class 'Vrhomboid' merged into files 'track.h' and 'track.cc'.

2005-06-07  Antonio Diaz Diaz  <ant_diaz@teleline.es>

	* Version 0.12 released.
	* Change in internal representation; Blockmap has been eliminated.
	* Text inside tables of solid lines is now recognized.
	* Improvements in character recognition.
	* Fixed possible integer overflow when loading pbm file.

2005-02-12  Antonio Diaz Diaz  <ant_diaz@teleline.es>

	* Version 0.11 released.
	* Added new option '-s, --scale'.
	* Improvements in character recognition.
	* Fixed bug in '--transform' (introduced in 0.10).

2004-12-09  Antonio Diaz Diaz  <ant_diaz@teleline.es>

	* Version 0.10 released.
	* Added new suboption '-D7X'.
	* Change in internal representation; only 1 Blockmap per Textpage.
	* Use of absolute coordinates in ORF file.
	* Improved space detection algorithm.
	* Improvements in character recognition and separation.

2004-10-23  Antonio Diaz Diaz  <ant_diaz@teleline.es>

	* Version 0.9 released.
	* Added new option '-t, --transform'.
	* 'DESTDIR' now works as expected.
	* New class 'Textpage' is top of internal representation.

2004-05-23  Antonio Diaz Diaz  <ant_diaz@teleline.es>

	* Version 0.8 released.
	* Better algorithm for line detection.
	* New feature '-x -' (export ORF file to stdout).
	* Small improvements in picture elimination.

2004-02-09  Antonio Diaz Diaz  <ant_diaz@teleline.es>

	* Version 0.7 released.
	* Internal change to UCS instead of ISO 8859-1.
	* Default charset is now ISO 8859-15 (latin9).
	* Ocrad now recognizes Turkish characters (ISO 8859-9).
	* Added new output format (UTF-8).
	* Added new options '-c, --charset' and '-F, --format'.
	* Added man page.

2003-12-18  Antonio Diaz Diaz  <ant_diaz@teleline.es>

	* Version 0.6 released.
	* 'configure' is now compatible with 'sh'.
	* Better algorithm for lowercase-uppercase decision.
	* Small changes to line detector.
	* Fixed bug (output of char 0 when separating some merged chars).

2003-10-18  Antonio Diaz Diaz  <ant_diaz@teleline.es>

	* Version 0.5 released.
	* Corrected bug when creating ORF file from stdin.
	* Added the ability to read multiple files from stdin.
	* Use 'vector' instead of 'list' due to problem with GCC 3.3.1.
	* Faster 'processing' of pictures.

2003-09-03  Antonio Diaz Diaz  <ant_diaz@teleline.es>

	* Version 0.4 released.
	* More standard configure and Makefile.
	* Added info file.
	* Small changes to layout detector.
	* Character codes > 127 now in ISO_8859_1::<charname> format.
	* Added new option '-i, --invert'.

2003-07-19  Antonio Diaz Diaz  <ant_diaz@teleline.es>

	* Version 0.3 released.
	* ORF file feature added.
	* Recursive 'layout detector' added.


Copyright (C) 2003-2014 Antonio Diaz Diaz.

This file is a collection of facts, and thus it is not copyrightable,
but just in case, you have unlimited permission to copy, distribute and
modify it.
