Remove old OCRmyPDF 2.x from release notes; update 4.2 notes
This commit is contained in:
James R. Barlow
+14
-370
@@ -1,19 +1,23 @@
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RELEASE NOTES
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=============
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Please always read this file before installing the package
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Download software here: https://github.com/jbarlow83/OCRmyPDF/tags
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v4.2 (planned):
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===============
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- Improved support for PDFs containing images with "non-square" pixel aspect ratios, such as 200x100 DPI.
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- Support for some older programs dropped - should not be a problem for anyone except Ubuntu 12.04 LTS users
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- ``--force-ocr`` rasterizes pages even if they contain no images
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+ Ghostscript 9.15 is now required
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+ Tesseract 3.03 is now required
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+ supports users who want to use OCRmyPDF to reconstruct text information in PDFs with damaged Unicode maps (copy and paste text does not match displayed text)
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+ supports reinterpreting PDFs where text was rendered as curves for printing, and text needs to be recovered
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+ fixes issue #82
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- Fixes an issue where, with certain settings, monochrome images in PDFs would be converted to 8-bit grayscale, increasing file size (#79)
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- Support for Ubuntu 12.04 LTS (precise) has been dropped in favor of Ubuntu 14.04 LTS (trusty) with help from backports
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- Support for some older dependencies dropped
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+ Ghostscript 9.15 or later is now required (available in Ubuntu trusty with backports)
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+ Tesseract 3.03 or later is now required (available in Ubuntu trusty)
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- Ghostscript now runs in "safer" mode where possible
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@@ -63,9 +67,6 @@ v4.0.6:
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v4.0.5:
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=======
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Fixes
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-----
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- Remove some verbose debug messages from v4.0.4
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- Fixed temporary that wasn't being deleted
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- DPI is now calculated correctly for cropped images, along with other image transformations
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@@ -89,7 +90,7 @@ New features
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Fixes
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-----
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- Show stack trace if unexpect errors occur
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- Show stack trace if unexpected errors occur
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- Treat "too few characters" error message from Tesseract as a reason to skip that page rather than
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abort the file
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- Docker: fix blank JPEG2000 issue by insisting on Ghostscript versions that have this fixed
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@@ -362,363 +363,6 @@ Notes and known issues
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v2.2-stable (2014-09-29):
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=========================
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New features
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------------
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OCRmyPDF versions 1 and 2 were implemented as shell scripts. OCRmyPDF 3.0+ is a fork that gradually replaced all shell scripts with Python while maintaining the existing command line arguments. No one is maintaining old versions.
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- None
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Changes
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-------
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- Update to jhove v1.11
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- Request the python library reportlab v3.0 or newer (So that we could remove a patch to the previous version of reportlab leading to issues for some users)
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Fixes
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-----
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- Fix bug on Mac OS X (resolution of simlink to OCRmyPDF.sh script) (thanks to jbarlow83)
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- Check if the input pdf file exists before to continue
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Tested with
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-----------
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- Operating system: FreeBSD 9.2
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- Dependencies:
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- parallel 20140822
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- poppler-utils 0.24.5
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- ImageMagick 6.8.9-4 2014-09-17
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- Unpaper 0.3
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- tesseract 3.02.02
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- Python 2.7.8
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- ghostcript (gs): 9.06
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- java: openjdk version "1.7.0_65"
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v2.1-stable (2014-09-20):
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=========================
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New features
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------------
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- None
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Changes
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-------
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- None
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Fixes
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-----
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- Allow execution via simlink
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- Add support for tesseract 3.03
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- Add support for newer version of reportlab
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- Lowered minimum version of gnu parallel
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- Various typo
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Tested with
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-----------
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- Operating system: FreeBSD 9.1
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- Dependencies:
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- parallel 20130222
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- poppler-utils 0.22.2
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- ImageMagick 6.8.0-7 2013-03-30
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- Unpaper 0.3
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- tesseract 3.02.02
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- Python 2.7.3
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- ghoscript (gs): 9.06
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- java: openjdk version "1.7.0\_17"
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v2.0-stable (2014-01-25):
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=========================
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New features
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------------
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- Check if the language(s) passed using the -l option is supported by
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tesseract (fixes #60)
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Changes
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-------
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- Allow OCRmyPDF to be used with tesseract 3.02.01, even though OCR
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might fail for few PDF file (see issue #28). Rationale: For some
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linux distribution, no newer version than tesseract 3.02.01 is
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available
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Fixes
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-----
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- More robust algorithm for checking the version of the installed
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tesseract package
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Tested with
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-----------
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- Operating system: FreeBSD 9.1
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- Dependencies:
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- parallel 20130222
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- poppler-utils 0.22.2
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- ImageMagick 6.8.0-7 2013-03-30
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- Unpaper 0.3
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- tesseract 3.02.02
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- Python 2.7.3
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- ghoscript (gs): 9.06
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- java: openjdk version "1.7.0\_17"
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v2.0-rc2 (2014-01-16):
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======================
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New features
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------------
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- None
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Changes
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-------
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- Size reduction of final PDF file: (fixes #50)
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- Support for monochrome (Black&White) images (massive size reduction
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in final PDF: >80%)
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- Reduced size of grayscale images (by 13% on test PDF file)
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- Preventing fi, fl ligatures does not require anymore to pass an
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additional config file to tesseract using the -C option (fixes #58)
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- Location of temporary folder according to content of environment
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variable TMPDIR.
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- Dependency to pdftk removed
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- Check for compatible versions of dependencies: (fixes #51)
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- parallel and tesseract
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- python libraries reportlab and lxml
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Fixes
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-----
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- Improved portability with various shells (dash, bash, tcsh) and OS
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(FreeBSD, MAC OSX, Linux) (fixes #59)
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- Corrected bug in case the input PDF file contains a space character
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(fixes #48)
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- Prevent spurious error message in case there is no image in a PDF
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page
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- Prevent collision of temporary folder names (fixes #57)
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Tested with
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-----------
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- Operating system: FreeBSD 9.1
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- Dependencies:
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- parallel 20130222
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- poppler-utils 0.22.2
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- ImageMagick 6.8.0-7 2013-03-30
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- Unpaper 0.3
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- tesseract 3.02.02
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- Python 2.7.3
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- ghoscript (gs): 9.06
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- java: openjdk version "1.7.0\_17"
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v2.0-rc1 (2014-01-07):
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======================
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New features
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------------
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- Huge performance improvement on machines having multiple CPU/cores
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(processing of several pages concurrently) (fixes #18)
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- By default prevent from processing a PDF file already containing
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fonts (i.e. text)(it can be overridden with the -f flag) (fixes #16)
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- Warn if the resolution is too low to get reasonable OCR results
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(fixes #37)
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- New option (-o) to perform automatic oversampling if the image
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resolution is too low. This can improve OCR results.
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- Warn if using a tesseract version older than v3.02.02 (as older
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versions are known to produce invalid output) (fixes #41)
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- Echo version of the installed dependencies (e.g. tesseract) in debug
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mode in order to ease support (fixes #35)
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- Echo the arguments passed to the script in debug mode to ease support
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Changes
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-------
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- In debug mode: The debug page is now placed after the respective
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"normal" page
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- Reduced disk space usage in temporary folder if -d (deskew) or -c
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(cleanup) options are not selected
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- New file src/config.sh containing various configuration parameters
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- Documentation of the tesseract config file "tess-cfg/no\_ligature"
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improved
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- Improved consistency of the temporary file names
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Fixes
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-----
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- Improved robustness:
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- in case vertical resolution differs from horizontal resolution (fixes
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#38)
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- in case a PDF page contains more than one image (fixes #36)
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- Fix a problem occurring if python 3 is the standard interpreter
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(fixes #33)
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- Fix a problem occurring if the input PDF file contains special
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characters like "#" (fixes #34)
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Tested with
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-----------
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- Operating system: FreeBSD 9.1
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- Dependencies:
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- parallel 20130222
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- poppler-utils 0.22.2
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- ImageMagick 6.8.0-7 2013-03-30
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- Unpaper 0.3
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- tesseract 3.02.02
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- Python 2.7.3
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- pdftk 1.45
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- ghoscript (gs): 9.06
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- java: openjdk version "1.7.0\_17"
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v1.1-stable (2014-01-06):
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=========================
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New features
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------------
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- N/A
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Changes
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-------
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- N/A
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Fixes
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-----
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- Fixed syntax error (bashism) leading to an error message on certain
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systems (fixes #42)
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Tested with
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-----------
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- Operating system: FreeBSD 9.1
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- Dependencies:
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- poppler-utils 0.22.2
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- ImageMagick 6.8.0-7 2013-03-30
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- Unpaper 0.3
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- tesseract 3.02.02
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- Python 2.7.3
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- pdftk 1.45
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- ghoscript (gs): 9.06
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- java: openjdk version "1.7.0\_17"
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v1.0-stable (2013-05-06):
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=========================
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New features
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------------
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- In debug mode: compute and echo time required for processing (fixes
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#26)
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Changes
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-------
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- Removed feature to add metadata in final pdf file (because it lead to
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to final PDF file that does not comply to the PDF/A-1 format)
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- Removed feature to set same owner & permissions in final PDF file
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than in input file
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- Removed many unused jhove files (e.g. documentation, \*.java and
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\*.class files)
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Fixes
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-----
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- Correction to handle correctly path and input PDF files having spaces
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(fixes #31)
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- Resolutions (x/y) that are nearly equal are now supported (fixes #25)
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- Fix compatibility issue with Ubuntu server 12.04 / Ubuntu server
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10.04 / Linux Mint 13 Maya and probably other Linux distributions
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(fixes #27)
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- Commit missing jhove files (\*.jar mainly) due to wrong .gitignore
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Tested with
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-----------
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- Operating system: FreeBSD 9.1
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- Dependencies:
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- poppler-utils 0.22.2
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- ImageMagick 6.8.0-7 2013-03-30
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- Unpaper 0.3
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- tesseract 3.02.02
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- Python 2.7.3
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- pdftk 1.45
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- ghoscript (gs): 9.06
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- java: openjdk version "1.7.0\_17"
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v1.0-rc2 (2013-04-29):
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======================
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New features
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------------
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- Keep temporary files if debug mode is set (fixes #22)
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- Set same owner & permissions in final PDF file than in input file
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(fixes #9)
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- Added metadata in final pdf file (fixes #4)
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Changes
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-------
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- N/A
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Fixes
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-----
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- Fixed wrong image cropping when deskew option is activated
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- Exit with error message if page size is not found in hocr file (fixes
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#21)
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- Various minor fixes in log messages
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Tested with
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-----------
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- Operating system: FreeBSD 9.1
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- Dependencies:
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- poppler-utils 0.22.2
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- ImageMagick 6.8.0-7 2013-03-30
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- Unpaper 0.3
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- tesseract 3.02.02
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- Python 2.7.3
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- pdftk 1.45
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- ghoscript (gs): 9.06
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- java: openjdk version "1.7.0\_17"
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v1.0-rc1 (2013-04-26):
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======================
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New features
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------------
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- First release candidate
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Changes
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-------
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- N/A
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Fixes
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-----
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- N/A
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Tested with
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-----------
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- Operating system: FreeBSD 9.1
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- Dependencies:
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- poppler-utils 0.22.2
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- ImageMagick 6.8.0-7 2013-03-30
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- Unpaper 0.3
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- tesseract 3.02.02
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- Python 2.7.3
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- pdftk 1.45
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- ghoscript (gs): 9.06
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- java: openjdk version "1.7.0\_17"
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For details on older versions, see the `final version of its release notes <https://github.com/fritz-hh/OCRmyPDF/blob/7fd3dbdf42ca53a619412ce8add7532c5e81a9d1/RELEASE_NOTES.md>`_.
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