# Changelog

All notable changes to this project are documented in this file.

The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).

## [0.1.0]

### Added

- Initial release of `Makeup.Lexers.DiffLexer`.
- Unified diff support: file banners, `@@ ... @@` hunk headers with a
  separately tokenized section hint, and `@@@ ... @@@` combined (merge) diff
  headers.
- Context diff support: `*** old` / `--- new` banners, the `***************`
  hunk separator, `*** 1,5 ****` and `--- 1,7 ----` range lines, and the `!`
  change marker.
- Normal diff support: `1,5c1,7` / `3d2` / `0a1` command lines and the
  `<` / `>` content markers.
- Git extended headers, Subversion and CVS scaffolding, and `git format-patch`
  mail preambles.
- Context-sensitive resolution of `---` and `+++` lines: file banner versus
  removed/added content.
- Registration for the language names `diff`, `udiff` and `patch`, and for the
  `.diff` and `.patch` file extensions.