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Changelog
=========
next
----
5.0 (2025-04-03)
----------------
* API changes
* Drop support for Python versions older than 3.9.
* Add support by testing on Python 3.11 to 3.14
* Fix absorption issues https://github.com/bastikr/boolean.py/issues/111 and
https://github.com/bastikr/boolean.py/issues/112
4.0 (2022-05-05)
----------------
* API changes
* Drop support for Python 2.
* Test on Python 3.10
* Make Expression.sort_order an instance attributes and not a class attribute
* Misc.
* Correct licensing documentation
* Improve docstringf and apply minor refactorings
* Adopt black code style and isort for imports
* Drop Travis and use GitHub actions for CI
3.8 (2020-06-10)
----------------
* API changes
* Add support for evaluation of boolean expression.
Thank you to Lars van Gemerden @gemerden
* Bug fixes
* Fix parsing of tokens that have a number as the first character.
Thank you to Jeff Cohen @ jcohen28
* Restore proper Python 2 compatibility.
Thank you to Benjy Weinberger @benjyw
* Improve documentation
* Add pointers to Linux distro packages.
Thank you to Max Mehl @mxmehl and Carmen Bianca Bakker @carmenbianca
* Fix typo.
Thank you to Gabriel Niebler @der-gabe
3.7 (2019-10-04)
----------------
* API changes
* Add new sort argument to simplify() to optionally not sort when simplifying
expressions (e.g. not applying "commutativity"). Thank you to Steven Esser
@majurg for this
* Add new argument to tokenizer to optionally accept extra characters in symbol
tokens. Thank you to @carpie for this
3.6 (2018-08-06)
----------------
* No API changes
* Bug fixes
* Fix De Morgan's laws effect on double negation propositions. Thank you to Douglas Cardoso for this
* Improve error checking when parsing
3.5 (Nov 1, 2017)
-----------------
* No API changes
* Bug fixes
* Documentation updates and add testing for Python 3.6. Thank you to Alexander Lisianoi @alisianoi
* Improve testng and expression equivalence checks
* Improve subs() method to an expression
3.4 (May 12, 2017)
------------------
* No API changes
* Bug fixes and improvements
* Fix various documentation typos and improve tests . Thank you to Alexander Lisianoi @alisianoi
* Fix handling for literals vs. symbols in negations Thank you to @YaronK
3.3 (2017-02-09)
----------------
* API changes
* #40 and #50 Expression.subs() now takes 'default' thanks to @kronuz
* #45 simplify=False is now the default for parse and related functions or methods.
* #40 Use "&" and "|" as default operators
* Bug fixes
* #60 Fix bug for "a or b c" which is not a valid expression
* #58 Fix math formula display in docs
* Improve handling of parse errors
2.0.0 (2016-05-11)
------------------
* API changes
* New algebra definition. Refactored class hierarchy. Improved parsing.
* New features
* possibility to subclass algebra definition
* new normal forms shortcuts for DNF and CNF.
1.1 (2016-04-06)
------------------
* Initial release on Pypi.
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