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=== 2.6.3 / 2025-12-24
* 1 minor enhancement:
* Bump ruby to 3.2+.
=== 2.6.2 / 2023-08-03
* 1 bug fix:
* Removed extra newline when do_parse option is used.
=== 2.6.1 / 2023-05-31
* 1 bug fix:
* Bumped minimum supported version of ruby to 2.7
=== 2.6.0 / 2021-10-27
* 2 minor enhancements:
* Add frozen_string_literal comment to generated lexers.
* Allow empty regex. (marcandre)
* 1 bug fix:
* Switched from peek(1) == "\n" to check(/\n/) to save a ton of strings.
=== 2.5.3 / 2021-05-29
* 1 bug fix:
* Added require_ruby_version >= 2.4 to gemspec
=== 2.5.2 / 2020-06-14
* 1 minor enhancement:
* Speedup of column position computation. It went from roughly 10s to 2s for a big file! (vdbijl)
=== 2.5.1 / 2019-06-03
* 1 minor enhancement:
* Added full rdoc an re-bootstrapped.
* 1 bug fix:
* Fixed a deprecation warning in ruby 2.6+.
=== 2.5.0 / 2016-11-30
* 5 minor enhancements:
* Added #location to generated template, provides file:line:column per options.
* Added LexerError and made ScanError subclass it.
* Added column option.
* Errors try to provide location now.
* Re-bootstrapped.
* 2 bug fixes:
* Fixed some whitespace generation when using :column.
* Fixed wiring on column. (steakknife)
=== 2.4.1 / 2016-01-21
* 1 minor enhancement:
* Use `skip` and `match?` instead of `scan` and `check`. Better on GC. (presidentbeef)
=== 2.4.0 / 2014-08-29
* 1 minor enhancement:
* Added column option & accessor.
* 1 bug fix:
* lineno shouldn't be visible at all if the option isn't on.
=== 2.3.2 / 2014-08-06
* 1 bug fix:
* Increase lineno on nil token. (hashmal)
=== 2.3.1 / 2014-06-09
* 1 minor enhancement:
* If there is an encoding comment on the first line, put it above generated headers.
=== 2.3.0 / 2014-05-16
* 4 minor enhancements:
* Added == method to lexer.
* Added pretty_print methods to lexer+rule+group.
* Added structural test so I can later make optimization changes cleanly.
* Refactored to (mostly) use an AST for code generation. Nukes 2 ERB templates.
=== 2.2.1 / 2014-04-02
* 1 bug fix:
* Correct installation instructions in README. (luislavena)
=== 2.2.0 / 2014-03-14
* 3 minor enhancements:
* Added debug rake task.
* Added rule grouping. Naive benchmarking seems to show ~15% improvement in ruby_parser.
* Refactored rule handling part of template to its own variable.
=== 2.1.0 / 2014-01-22
* 3 minor enhancements:
* Added lineno and do_parse as options via grammar.
* All options are now opt-in. You might want to add do_parse and lineno to your grammar.
* New option lineno will turn on automatic line number handling at the top of next_token.
=== 2.0.0 / 2013-12-13
* 1 major enhancement
* Birthday!
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