2021-07-31  Stefan Kebekus  <stefan.kebekus@math.uni-freiburg.de>

	* Version 1.0.4
	* Fix memory leak

2020-03-09  Stefan Kebekus  <stefan.kebekus@math.uni-freiburg.de>

	* Version 1.0.0
	* Modernize code
	* Add warning when OCR fails on JPX files because Qt was built without JPG2000 support

2020-01-21  Stefan Kebekus  <stefan.kebekus@math.uni-freiburg.de>

	* Version 0.7.0
	* Fix memory access issue
	* Update to zopfli 1.0.3
	* Improve source code quality

2019-02-13  Stefan Kebekus  <stefan.kebekus@math.uni-freiburg.de>

	* Version 0.6.4
	* Update Work around a few issues in tesseract 4.0.
	* Replace the muPDF renderer with the more stable poppler
	* Minor cleanup and improvements in the source code

2018-09-25  Stefan Kebekus  <stefan.kebekus@math.uni-freiburg.de>

	* Version 0.6.3
	* Update build system. Do not rely on external MuPDF packages. Instead, build MuPDF locally.

2018-09-05  Stefan Kebekus  <stefan.kebekus@math.uni-freiburg.de>

	* Version 0.6.2
	* Command line utility ocrPDF now uses multi-threading, is able to handle a larget set of PDF files

2018-07-06  Stefan Kebekus  <stefan.kebekus@math.uni-freiburg.de>

	* Version 0.6.1
	* Fixes problems with text layer placement, work around bug in tesseract

2018-06-14  Stefan Kebekus  <stefan.kebekus@math.uni-freiburg.de>

	* Version 0.6.0
	* New command line utility: ocrPDF, adds text layer to graphics-only PDF file

2018-05-18  Stefan Kebekus  <stefan.kebekus@math.uni-freiburg.de>

	* Version 0.5.8
	* Library: fixing a minor memory leak
	* Library: fixing a minor issue in PDF generation, avoid a minor warning issued by the QPDF library when reading our files.

2018-05-04  Stefan Kebekus  <stefan.kebekus@math.uni-freiburg.de>

	* Version 0.5.7
	* Library: Add JBIG2 decoding to API
	* Library: Add interface to the tesseract OCR engine
	* image2pdf: Command line tool can now access the tesseract OCR engine directly, in order to create a text layer in the PDF.

2018-04-05  Stefan Kebekus  <stefan.kebekus@math.uni-freiburg.de>

	* Version 0.5.6
	* Improve concurrency to make better use of all processor kernels in the system.
	* Add paper size option to command line utilities
	* Improve feedback from command line utilities

2017-12-18  Stefan Kebekus  <stefan.kebekus@math.uni-freiburg.de>

	* Version 0.5.5
	* Fix issue in FAX encoding
	* Add concurrency in compression to make use of all processor kernels in the system.

2017-11-15  Stefan Kebekus  <stefan.kebekus@math.uni-freiburg.de>

	* Version 0.5.4
	* Release v0.5.4 adds zopfli and Fax G4 compression

2017-10-20  Stefan Kebekus  <stefan.kebekus@math.uni-freiburg.de>

	* Version 0.5.3
	* Release v0.5.3 fixes a bug concerning image size for raster graphics

2017-10-17  Stefan Kebekus  <stefan.kebekus@math.uni-freiburg.de>

	* Version 0.5.2
	* Release v0.5.2 improves compression

2017-09-22  Stefan Kebekus  <stefan.kebekus@math.uni-freiburg.de>

	* Version 0.5.1
	* Release v0.5.1 adds methods to the API that find the optimal storage format for bitmap graphics

2017-07-21  Stefan Kebekus  <stefan.kebekus@math.uni-freiburg.de>

	* Version 0.5.0
	* Release v0.5.0 add support for raster graphic files in formats other than JBIG2

2017-05-19  Stefan Kebekus  <stefan.kebekus@math.uni-freiburg.de>

	* Version 0.4.2
	* Release v0.4.2 improves text annotation in PFD/A files. Previously, digraphs and ligatures such as "ﬀ" or "ﬃ" that have no analogue in the Windows-1252 encoding would be silently ignored. This makes it hard to search for words such as "sufficient". The current version expands these characters "ﬃ" →	"ffi", producing better quality output.

2017-05-15  Stefan Kebekus  <stefan.kebekus@math.uni-freiburg.de>

	* Version 0.4.1
	* Fix minor problems with PDF generation for empty HOCR pages

2017-03-06  Stefan Kebekus  <stefan.kebekus@math.uni-freiburg.de>

	* Version 0.3.2
	* Fix problems with metadata inconsitency detected by the verapdf
	verification program. Empty strings need to be encoded as "()" and
	not as "<FEFF>".

2016-09-05  Stefan Kebekus  <privat@kebekus-laptop>

	* Version 0.0.2
	* Add command line tool hocr2any
	* Move classes to library

2016-06-27  Stefan Kebekus  <stefan.kebekus@math.uni-freiburg.de>

	* Initial version

