This umbrella release covers the following package releases from this repository:

• prettyprinter 1.7.2
• prettyprinter-ansi-terminal 1.1.4
• prettyprinter-compat-annotated-wl-pprint 1.1.1
• prettyprinter-compat-ansi-wl-pprint 1.1.1
• prettyprinter-compat-wl-pprint 1.0.2
• prettyprinter-convert-ansi-wl-pprint 1.1.3

Highlights:

• prettyprinter 1.7.2 introduces the new PrettyAnn type class, adds Pretty instances for 4-7 tuples, adds ann ~ Void => Pretty (Doc ann), removes the MINIMAL pragma from Pretty, and includes several documentation improvements.
• prettyprinter-ansi-terminal 1.1.4 adds a text flag and fixes an inconsistency between renderLazy and renderIO.
• This release series also includes MicroHs compatibility updates for some packages.

Selected changes:

• Introduce PrettyAnn type class (#256)
• Add Pretty instances for 4-7 tuples (#275)
• Add instance ann ~ Void => Pretty (Doc ann) (#234)
• Remove the MINIMAL pragma from Pretty (#219)
• Add text flag to prettyprinter-ansi-terminal (#279)
• Fix inconsistency between renderLazy and renderIO in prettyprinter-ansi-terminal (#261)
• Drop support for GHC 7 (#278)
• Remove compatibility code for GHC < 8 (#285)
• Make supported packages compile with MicroHs (#270)

For package-specific details, see the changelogs in this repository and the individual package tags.

• Deprecate the Data.Text.Prettyprint.* modules
  • Users should migrate to the new Prettyprinter module hierarchy.
  • The old modules will be removed no sooner than September 2022.
• Make text an optional dependency:
  • When built with -f-text, any text-based APIs will operate on Strings instead.
• Documentation improvements:
  • #194
  • 1f0bffe

Breaking changes

• Fix layoutPretty and layoutSmart so they don't produce trailing whitespace as a result of indenting empty lines.
  • Users of removeTrailingWhitespace should check whether it is still needed.
• Use floor instead of round to compute ribbon width.
• Remove deprecated Data.Text.Prettyprint.Doc.Render.ShowS module.
• Add optimized implementation of stimes for Doc.
• Generalize the type of layoutCompact to clarify that it doesn't preserve annotations.
• Add strictness annotations in SimpleDocStream and PageWidth.

Non-breaking changes

• Add shallower Prettyprinter module hierarchy exposing the same API.
  • The current plan for the existing Data.Text.Prettyprint.Doc* modules is:
    • Start deprecation in early 2021.
    • Remove the modules after a deprecation period of at least one year.
• Fix build with GHC 7.4.
• Various documentation improvements.

• Add shallower Prettyprinter module hierarchy exposing the same API.
  • The current plan for the existing Data.Text.Prettyprint.Doc* modules is:
    • Start deprecation in early 2021.
    • Remove the modules after a deprecation period of at least one year.

1.1.2

• Add shallower Prettyprinter module hierarchy exposing the same API.
  • The current plan for the existing Data.Text.Prettyprint.Doc* modules is:
    • Start deprecation in early 2021.
    • Remove the modules after a deprecation period of at least one year.
• Make renderLazy lazy, and speed it up.
• Add export list for Prettyprinter.Render.Terminal.Internal.
• Optimize generating spaces for indentation.
• Enable -O2.
• Extend GHC support to 7.6 and 7.4.

• Speed up rendering to lazy and strict Text.
• Documentation improvements for group and flatAlt.
• Internal refactoring of the layoutWadlerLeijen-based layouters.

• Use an export list in Data.Text.Prettyprint.Doc.Internal.
• Improve group for Union and FlatAlt.
• Speed up removeTrailingWhitespace.
• Improve generating spaces for indentation and spaces.
• Simplify some Doc constants by defining them as Doc literals.
• Enable -O2.
• Various documentation fixes and improvements.

Breaking changes

• Fix fuse's handling of annotated documents:
  • Don't remove annotations on empty documents.
  • Apply fusion within annotations.
• Fix layouting of hard linebreaks with Unbounded page widths.

Non-breaking changes

• Speed up group for documents containing linebreaks and previously
  grouped documents.
• Add debugging helpers in Data.Text.Prettyprint.Doc.Internal.Debug
• Documentation improvements and fixes

• Removing trailing whitespace sometimes restored necessary whitespace in the
  wrong spot

• Fix inconsistent formatting within align and wide sub-docs on narrow layouts