Sourced from regexp_parser's changelog.

[2.11.3] - 2025-09-15 - Janosch Müller

Fixed

• correctly emit backslash-escaped UTF8 characters in character classes as one token (#104)
  • thanks to Earlopain for the report and fix

[2.11.2] - 2025-08-12 - Janosch Müller

Added

• enable frozen string literals (#98)
  • thanks to Geremia Taglialatela

Fixed

• scan with correct encoding when passing regopt individually (#102)
  • thanks to Earlopain for the report

[2.11.1] - 2025-08-08 - Janosch Müller

Fixed

• restored compatibility with Ruby < 2.6, broken in regexp_parser v2.11.0
  • thanks to DanielFinkWoven for the report

[2.11.0] - 2025-08-03 - Janosch Müller

Added

• a new token :escape, :utf8_hex and expression EscapeSequence::UTF8Hex
  • used for UTF-8 hex escapes, e.g. \xE2\x82\xAC representing U+20AC "€"

Fixed

• detection of numeric backrefs > 9, e.g. ((((((((((foo))))))))))\10
  • these are only backrefs in Ruby if sufficient groups have been opened
  • they were previously always scanned as octal or literal escapes

• c5094a8 Release v2.11.3
• f3c3a79 Clean up ragel out put some more
• 6993fab Deduplicate transition
• a611c88 Merge pull request #106 from Earlopain/fix-utf8-escapes-in-sets
• 1500106 Merge pull request #105 from Earlopain/ragel-rake-buildin-command
• 2efa904 Fix UTF8 escapes in character classes
• fe4c477 Fix bundle exec rake install when command is buildin
• bd82326 Release v2.11.2
• fb4637e Standardize changelog
• 1447771 Merge pull request #103 from ammar/handle-custom-encoding-opts
• Additional commits viewable in compare view

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