History.txt

* Add official support for Ruby 3.1
* Remove official support for Ruby < 2.7, as they reached their End-of-Life

6.0.0 / 2021-01-07
==================

* Make bibtexml converter optional

5.1.7 / 2021-01-07
==================

* Add support for Ruby 3.0 (@skalee)

5.1.6 / 2020-12-02
==================

* Ignore case when matching types
* Remove official support for Ruby 2.4

5.1.5 / 2020-10-14
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5.1.4 / 2020-04-14
==================

5.1.3 / 2020-04-06
==================

5.1.2 / 2020-02-27
==================

5.1.1 / 2020-01-17
==================

5.1.0 / 2020-01-17
==================

* Use File.read instead of Kernel.open in BibTeX.open
* Fix Ruby 2.7 deprecation warnings

5.0.0 / 2019-06-12
==================

* Dropped support for Ruby < 2.3

4.2.0 / 2015-02-02
==================

* Fixed queries being whitespace sensitive

4.0.9 / 2015-01-20
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* Improve BibTeX::Value comparison

4.0.8 / 2015-01-12
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* Ruby 2.2 support
* Added Entry#month_numeric
* Added support for numeric values

4.0.4 / 2014-10-10
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* added !~ matcher for queries (@temporaer)

4.0.0 / 2014-07-08
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* BREAKING: Support type/key fields. Rename type -> bibtex_type
  and key -> bibtex_key in key-value exports.
* Add support for BibLaTeX date syntax

3.1.6 / 2014-06-17
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* Allow semicolons in keys
* Bugfixes

3.1.5 / 2014-03-25
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* Improve Name#extend_initials
* Add Name#normalize_initials

3.1.4 / 2014-03-15
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* Add more name fields
* Improve CiteProc export

3.1.3 / 2014-02-10
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* Fix Ruby warnings

3.1.2 / 2014-01-29
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* Improve CiteProc export (thanks @andriusvelykis)

3.1.1 / 2014-01-20
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* RDF Export improvements (@tmaier)

3.1.0 / 2014-01-20
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* Fixed and refactored RDF Export (@tmaier)

3.0.1 / 2013-12-30
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* Fixed sorting (@casutton)

3.0.0 / 2013-11-11
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* Added transliteration support to default key generator (@cruessler)
* Improve parsing of non-ascii keys (@cruessler)

2.3.4 / 2013-08-22
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* Fixed file-permissions in gem (thanks to @jwvdm)

2.3.3 / 2013-07-29
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* Fixed #duplicates? method (thanks to @mfenner)
* Fixed issue with JSON export (thanks to @noahdesu)

2.3.1 / 2013-07-04
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* Support multiple filters in #convert methods

2.3.0 / 2013-06-04
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* Add attribute-only queries (thanks to @ashinkarov)
* Add negated queries (thanks to @ashinkarov)

2.2.2 / 2013-15-01
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* Improves CiteProc export #61 #62 (@plessl)

2.2.1 / 2013-13-01
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* Fixes BibTeX/CiteProc type issue (thanks to @plessl)

2.2.0 / 2012-12-02
==================

* Adds duplicate detection
* Adds Entry merge support

2.1.1 / 2012-11-02
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* Fixed lexer issue with whitespace before cite keys (@lmullen)

2.1.1 / 2012-09-14
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* Improved @comment and @preamble parsing (@JLimperg)

2.1.0 / 2012-08-31
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* Improved query support
* Use Travis-CI
* Updated dependencies
* Bug fixes and 1.8 compatibility (@RubenVerborgh)

2.0.11 / 2012-05-23
===================

* Added :allow_missing_keys option (thanks to @jrochkind)

2.0.9 / 2012-05-15
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* Added extend_initials! method to extend all names in the bibliography
* Added unify method as a shorthand to unify fields across the bibliography

2.0.8 / 2012-05-11
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* Added extend_initials feature for names
* Added experimental RDF export (using BIBO ontology)

2.0.7 / 2012-04-30
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* Added support for <=, >= numeric queries

2.0.6 / 2012-04-30
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* Added support for !=, /=, ~=, and ^= queries

2.0.5 / 2012-04-19
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* Fixed Entry#dup (@JLimperg)
* Implemented explicit caching of regular expressions (for MacRuby)
* Switched to new MultiJson API

2.0.4 / 2011-12-20
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* Added lexer option :strip to strip newlines from literals (thanks to @JLimperg)
* Added :linebreaks filter


2.0.3 / 2011-12-13
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* Added new entry wildcard "@*" to queries (kudos to @vanto)

2.0.2 / 2011-11-25
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* Fixed (#33): error in Entry#respond_to? (kudos to @houshuang)

2.0.1 / 2011-10-20
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* Fixed name parser incompatibility with Rails (kudos to @amattsmith)
* Improved latex-decoder (kudos to @etc)

2.0.0 / 2011-09-25
==================

* Added support to directly add Arrays, Hashes, or Strings to Bibliographies
* Added cross reference support (@etc)
* Moved back to using strings as Entry keys (instead of symbols)
* Added improved default key generation
* Improved name parsing
* Switched to multi_json gem for JSON and citeproc export
* Switched to BibTeXML as XML export
* Added duplicate detection
* Bugfixes

1.3.12 / 2011-09-06 
===================================

* Improved default keys for BibTeX entries

1.3.11 'happy #rbxday' / 2011-08-05 
===================================

* Rubinius compatibility
* Cleaned up dependency loading

1.3.10 / 2011-07-16 
==================

* Fixes gemspec options
* Added support for cite keys containing spaces (@sharnik) 

=== 1.3.9 / 2011-07-05

* Added a LaTeX input filter

=== 1.3.8 / 2011-07-05

* Added a converter-plugin framework

=== 1.3.7 / 2011-06-30

* Added option to toggle dropping/non-dropping behaviour of 'von' parts
  when exporting to CiteProc/CSL
* Fixed name parser not accepting 'von' parts starting with upper case words
  in sort order (#11)
* Added support for multi-line string literals (#15)

=== 1.3.6 / 2011-06-11

* Refactored lexer and parser for speed
* Added support for @strings with braced values (#10)

=== 1.3.5 / 2011-06-07

* Removed debugger initialisation

=== 1.3.4 / 2011-06-07

* Performance boost for parsing of large bibliographies

=== 1.3.3 / 2011-06-06

* Fixed name parsing of nested braced expressions

=== 1.3.2

* Fixed numeric keys issue
* Fixed CiteProc/CSL date export
* Implemented BibTeX month value conversion

=== 1.3.1

* Added CiteProc/CSL export format

=== 1.3.0 / 2011-05-12

* Improved top-level utility functions
* Implemented a BibTeX name parser and name value objects
* Re-factored and cleaned up API and export
* Added cucumber features
* Re-implemented string handling using dedicated Value objects
* Implemented query language to search in bibliographies
* Improved testing environment
* Added cucumber features

=== 1.2.1 / 2011-02-26

* Fixed several MacRuby compliancy issues.
* Fixed compatibility issues and BibTeX parsing of name tokens (lyro)

=== 1.2.0 / 2011-02-12

* Switched to using bundler.
* Improved BibTeX::Entry constructor (supports hashes for intuitive assignments).
* Added top-level methods BibTeX.parse, BibTeX.open, BibTeX.valid? and
  BibTeX::Entry.parse.
* Rewrote StringReplacement extensions to use monkey patching of Arrays.
* See README.md or unit tests for updated code examples.

=== 1.1.2 / 2011-01-27

* Added dynamic ghost methods to BibTeX::Entry for more convenient access
  to BibTeX values.

=== 1.1.1 / 2011-01-25

* Improved JSON and XML export.
* Added more examples to README.

=== 1.1.0 / 2011-01-24

* Improved YAML export.

=== 1.0.1 / 2011-01-17

* Removed StringScanner extension.

=== 1.0.0 / 2011-01-17

* Initial Release. See README.md for further details.