1. Enhancements

• [Sourceror.Zipper] Added skip (Thanks to @NickNeck)
• [Sourceror.Zipper] Added a direction to zip (Thanks to @NickNeck)

2. Bug fixes

• [Sourceror] Comments are no longer misplaced for :__block__ nodes
  with trailing comments
• [Sourceror] Blocks with trailing comments are no longer force-formatted with
  parenthesis.

1. Enhancements

• [Sourceror.Zipper] Added traverse_while (Thanks to @NickNeck)
• [Sourceror.Zipper] traverse now traverses subtrees if given a non top
  zipper (Thanks to @NickNeck)

v0.9.0 (2021-12-04)

1. Enhancements

• [Sourceror] to_string/2 now supports options for Code.quoted_to_algebra, like locals_without_parens
• [Sourceror] get_range/2 no longer considers comments when calculating the range. This can be enabled by passing the include_comments: true option
• [Sourceror.Patch] Introduced Sourceror.Patch with utilities to generate patches for the most common rewriting operations
• [Sourceror.Identifier] Sourceror.Identifier is now public

v0.8.10 (2021-12-04)

1. Bug fixes

• [Sourceror] Fixed comment spacing on binary operators
• [Sourceror] Take comment end of line counts into account to

v0.8.9 (2021-12-02)

Enhancements

• [Sourceror] Updated internal normalizer to match latest Elixir 1.13 version

1. Bug fixes

• [Sourceror] Fixed an issue that caused comments in lists to be misplaced

Changelog for Sourceror v0.8.8

1. Bug fixes

• [Sourceror] Fixed issues that caused comments to be misplaced.
• [Sourceror] Updated internal normalizer to match latest Elixir 1.13 version.

Changelog for Sourceror v0.8.7 (2021-10-23)

1. Bug fixes

• [Sourceror] Fixed an issue that caused newlines to be wrongly removed.

Changelog for Sourceror v0.8 (2021-10-23)

1. Bug fixes

• [Sourceror] Fixed an issue that caused comments in pipelines to be misplaced.

Changelog for Sourceror v0.8.5

1. Bug fixes

• [Sourceror] Fixed issue that prevented keyword lists from preserving their
  original format in tuples.

Changelog for Sourceror v0.8.4

1. Bug fixes

• [Sourceror] get_range/1 now properly handles naked AST lists, like the ones
  coming from partial keyword lists, or stabs like a -> b.

v0.8.3

1. Bug fixes

• [Sourceror] get_range/1 now handles partial keyword list syntax instead of crashing.

1. Bug fixes

• [Sourceror.Zipper] down/1 now correctly uses nil as the right siblings if the branch node has a single child.

v0.8.1

1. Bug fixes

• [Sourceror] Sourceror.get_range/1 now correctly calculates the range when
  there is a comment in the same line as the node.

v0.8

1. Enhancements

• [Sourceror] Added Sourceror.patch_string/2
• [Sourceror] Added the format: :splicing option to Sourceror.to_string/2

2. Bug fixes

• [Sourceror] Now Sourceror.to_string/2 won't produce invalid Elixir code
  when a keyword list element is at the beginning of a non-keyword list.
• [Sourceror] Now Sourceror.get_range/1 will take the leading comments into
  account when calculating the range.

v0.7.2

1. Bug Fixes

• [Sourceror] - get_range/1 now returns the correct ranges for 2-tuples from
  keyword lists.

v0.7.1

1. Bug Fixes

• [Sourceror] - get_range/1 now returns the correct ranges for sigils and
  interpolations.

v0.7.0

1. Enhancements

• [Sourceror.Zipper] - Added a Zipper implementation for the Elixir AST based
  on Huet's paper.

v0.6.1

1. Bug fixes

• [Sourceror] - to_string no longer escape the escaped sequences twice.
• [Sourceror] - Backported a bugfix in the Elixir normalizer related to
  parenthesis in calls with do blocks.

This release introduces some breaking changes, as the way comments are
handled by the library has been fundamentally changed.

v0.6.0

1. Enhancements

• [Sourceror] - to_string no longer requires line number corrections to
  produce properly formatted code.
• [Sourceror] - Added prewalk/2 and prewalk/3.
• [Sourceror] - parse_string won't warn on unnecesary quotes.
• [Sourceror.TraversalState] - Sourceror.PostwalkState was renamed to
  Sourceror.TraversalState to make it more generic for other kinds of
  traversals.

2. Removals

• [Sourceror] - get_line_span was removed in favor of using get_range and
  calculating the difference from the range start and end lines.
• [Sourceror.TraversalState] - line_correction field was removed as it is no
  longer needed.

3. Bug fixes

• [Sourceror] - get_range now properly returns ranges that map a node to
  it's actual start and end positions in the original source code.

v0.5.0

The changelog for v0.5 releases can be found in the v0.5.0
tag.

v0.5.0

1. Enhancements

• [Sourceror] - Add Sourceror.prepend_comments/2 and Sourceror.append_comments/2.