Noteworthy Changes in ssocr Releases
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Version 2.22.1 (2022-01-25):
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 * Fix build failure with Imlib 1.7.5 (pkg-config replaces imlib2-config)

Version 2.22.0 (2021-11-07):
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 * Fix compilation with GCC 10
 * Add recognition of characters 'j' and 'y' to full charset
 * Add this "NEWS" file
 * Add character set "tt_robot"

Version 2.21.0 (2021-04-25):
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 * Add ability to print spaces between digits that are positioned further away

Version 2.20.0 (2021-04-19):
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 * Add options to adjust the ratios used for decimal separator recognition

Version 2.19.0 (2019-08-05):
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 * Add option to select the set of recognized characters
 * Add option to omit decimal points from the output

Version 2.18.0 (2017-11-19):
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 * Add convenience parameter N to the dilation and erosion command

Version 2.17.0 (2017-10-22):
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 * Add option to print detected segments as ASCII art w/o further debug output
 * Add option to change the output to a hex string representing set segments
 * Add 7 characters shown on a display used in a Chinese table tennis robot

Version 2.16.0 (2013-12-29):
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 * Add command to mirror the image horizontally or vertically

Version 2.15.0 (2013-12-29):
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 * Add detection of minus signs, thanks to a patch by Cristiano Fontana

Version 2.14.0 (2013-08-04):
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 * Add alternative version of the digit 9 w/o lower horizontal segment

Version 2.13.0 (2012-11-04):
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 * Add ability to automatically determine the number of digits

Version 2.12.0 (2012-11-03):
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 * Add recognition of hexadecimal digits

Version 2.11.0 (2012-11-03):
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 * Add detection of a decimal point

Version 2.9.0 (2009-08-07):
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 * Allow reading image data from a pipe (standard input)

Versions 2.x.y:
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 * ssocrpp is now part of ssocr

Versions 1.x.y:
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 * ssocr w/o image manipulation functions
 * ssocrpp for image manipulation as preprocessing step before recognition
