Format

CHANGELOG.md

@@ -1,32 +1,41 @@
-## Main (Unreleased)
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## Unreleased
 
 ## 5.2.0
 
+### Changed
+
 * Update unicode-emoji to v3.1.0 [@aried3r]
 * And now prawn-emoji depends on unicode-emoji v3.x
   * Excluded PATCH level from version constraints for unicode-emoji
 
 ## 5.1.0
 
-### Minor Enhancements
+### Changed
 
 * Update Twemoji to 13.1.1
 
 ## 5.0.0
 
-### Breaking Changes
+### Changed
 
 * Drop Prawn 2.2 support
 * Drop Ruby 2.5 support
 
-### Enhancements
+### Added
 
  * Support Emoji 13.1 #43 [@aried3r]
  * Depends on unicode-emoji v2.8.x #43 [@aried3r]
 
 ## 4.2.0
 
-### Minor Enhancements
+### Added
 
 * Ruby 3.0.0 support
 * Prawn 2.4.0 support
@@ -35,34 +44,34 @@
 
 ## 4.1.0
 
-### Minor Enhancements
+### Added
 
 * Add prawn 2.3.0 support #35
 
 ## 4.0.0
 
-### Enhancements
-
-* prawn-emoji is no longer dependent on a particular font due to the new emoji drawing process
-
-### Breaking Changes
+### Changed
 
 * Drop ruby 2.4 support
 * The drawing results of emoji will be changed slightly due to the new emoji drawing process
 
-### Bug Fixes
+### Added
+
+* prawn-emoji is no longer dependent on a particular font due to the new emoji drawing process
+
+### Fixed
 
 * Some emojis are not displayed #34
 
 ## 3.3.0
 
-### Minor Enhancements
+### Added
 
  * Support Emoji 13.0 #33 [@aried3r]
 
 ## 3.2.0
 
-### Minor Enhancements
+### Added
 
  * Ruby 2.7.0 support
  * Emoji Regex is now configurable using `Prawn::Emoji.config.regex` #30
@@ -71,65 +80,73 @@
    Prawn::Emoji.config.regex = ::Unicode::Emoji::REGEX_INCLUDE_TEXT
    ```
 
-### Bug Fixes
+### Fixed
 
  * Fixed: Emoji Drawer does not close the file descriptor of emoji image #31
 
 ## 3.1.0
 
-### Minor Enhancements
+### Added
+
+ * Support Emoji 12.1
+
+### Changed
 
  * Update to Twemoji 12.1.3
    * This version includes some new emoji support and emoji CHANGES. See [commit](https://github.com/hidakatsuya/prawn-emoji/commit/96cb731d337721bf89be9463d270cc46962380d9) for details
- * Support Emoji 12.1
 
 ## 3.0.0
 
-### Big Changes
+### Changed
 
  * Switch emoji to [Twemoji](https://github.com/twitter/twemoji) v12.04 from EmojiOne v2.0
    * See [#23 Switch to Twemoji](https://github.com/hidakatsuya/prawn-emoji/issues/23) for further details
  * Support joined emojis like 👨‍👨‍👦 or 1️⃣
    * See [#24 Joined emojis like 👨‍👨‍👦 or 1️⃣ are not drawn](https://github.com/hidakatsuya/prawn-emoji/issues/24) for further details
-
-### Breaking Changes
-
  * Drop support ruby2.1 and 2.2, 2.3
  * prawn-emoji requires Prawn 2.2 (Drop support Prawn 2.1)
 
 ## 2.1.1
 
-### Bug Fixes
+### Fixed
 
  * Fixed: A text including multiple emojis are broken #19
 
 ## 2.1.0
 
-### Breaking Changes
+### Changed
 
  * Support variation selector
    * An emoji with text presentation selector such as ☀︎ (U+2600 U+FE0E) will be drawn as text
    * See also http://www.unicode.org/reports/tr51/tr51-12.html#def_text_presentation_selector
 
 ## 2.0.1
 
-### Bug Fixes
+### Fixed
 
  * Fixed: part of ASCII chars and symbols is unexpectedly replaced with emojis #17 [@juanfal]
 
 ## 2.0.0
 
+### Changed
+
  * prawn-emoji requires Prawn 2.1 or higher
    - NOTE: prawn-emoji 1.x supports Prawn 1.3 and 2.0
+
+### Added
+
  * Support multi character emojis with updating to latest version Emojione's emojis #15
 
 ## 1.0.2
 
+### Fixed
+
  * Fixed: © \u{00a9} is not rendered (commit: 32d55b0)
- * Development: Add task for generating emoji index from emoji images (commit: 2d41247)
 
 ## 1.0.1
 
+### Fixed
+
  * Skip drawing if the text encoding is not UTF-8 (commit: 033f05e)
 
 ## 1.0.0