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+## Changes in version HEAD
+
+ * Synopsis is working again (#599)
+
+## Changes in version 2.17.4
+
+ * Fix 'internal error: links: UnhelpfulSpan' (#554, #565)
+
+ * Hyperlink backend knows about `DataKinds` (#510)
+
+ * Fix rendering of class methods for `Eq` and `Ord` (#549)
+
+ * Export `MDoc` and `toInstalledIface` from `Haddock.Types`
+
+## Changes in version 2.17.3.1
+
+ * Disable `NFData` instances for GHC types when GHC >= 8.0.2 (#537)
+
+## Changes in version 2.17.3
+
+ * Remove framed view of the HTML documentation
+
+## Changes in version 2.17.2
+
+ * Fix portability of documentation building within GHC
+
+## Changes in version 2.17.1
+
+ * Included with GHC 8.0.1
+
+ * Fixed Makefile for GHC installation
+
+ * Fixed clean rule of GHC Makefile
+
+## Changes in version 2.17.0 (not released)
+
+ * Support typesetting of mathematical expressions via Mathjax (#397)
+
+ * Describe orphan instances defined in a module in its documentation (#449)
+
+ * Produce specialized type signatures for typeclass methods (#425)
+
+ * Support GCC-like response files (#470)
+
+## Changes in version 2.16.2
+
+ * Generate hyperlinked source ourselves (#410, part of GSOC 2015)
+
+ * Fix expansion icon for user-collapsible sections (#412)
+
+ * Break up response file arguments on newlines
+
+ * Various HTML fixes (#301, #406, #407, #421)
+
+ * Line anchors in hyperlinked source (#420)
+
+## Changes in version 2.16.1
+
+ * Don't default to type constructors for out-of-scope names (#253 and
+   #375)
+
+ * Fix Hoogle display of constructors (#361)
+
+ * Fully qualify names in Hoogle instances output (#263)
+
+ * Output method documentation in Hoogle backend (#259)
+
+ * Don't print instance safety information in Hoogle (#168)
+
+ * Expand response files in arguments (#285)
+
+ * Build the main executable with -threaded (#399)
+
+ * Use SrcSpan of declarations for inferred type sigs (#207)
+
+ * Fix cross-module instance locations (#383)
+
+ * Fix alignment of Source link for instances in Firefox (#384)
+
+## Changes in version 2.16.0
+
+ * Experimental collapsible header support (#335)
+
+ * Add support for markdown links and images
+
+ * Allow an optional colon after the closing bracket of definition lists.
+   This is to disambiguate them from markdown links and will be require with a
+   future release.
+
+ * Fix re-exports of built-in type families (#310)
+
+ * Fix parsing of infix identifiers such as ``elem``.
+
+ * Print missing docs by default and add --no-print-missing-docs
+
+ * parser: now parses out some meta data too, breaking the API
+
+ * parser: markdown syntax for images and URLs is now accepted:
+   <<foo>> style for images and <foo bar> style for links is now
+   considered deprecated. <foo> for links is still OK.
+
+ * parser: add support for @since element: this is paragraph-level
+   element of the form ‘@since x.y.z’ where x.y.z is the version
+   number. The way it is rendered is subject to change.
+
+ * properly render package ID (not package key) in index (#329)
+
+ * links to source location of class instance definitions
+
+ * Fix code blocks in presence of Windows line endings
+
+ * Deal better with long synopsis lines (#151)
+
+## Changes in version 2.15.0
+
+ * Always read in prologue files as UTF8 (#286 and Cabal #1721)
+
+ * parser: don't wrap headers in DocParagraph (#307)
+
+ * parser: don't mangle append order for nested lists (pandoc #1346)
+
+ * parser: preserve list ordering in certain scenarios (#313)
+
+ * parser: update the attoparsec version used internally giving slight
+   parsing performance boost.
+
+ * Move development to be against latest GHC release and not GHC HEAD.
+
+ * Further split up the package to separate the executable from the
+   library, necessary by things like GHCJS. We now have
+   ‘haddock-library’ which are the parts that don't use GHC API,
+   ‘haddock-api’ which are (some of) the parts that do use GHC API and
+   ‘haddock’ which merely provides the executable.
+
+ * Export few extra functions in the API.
+
+ * Add compatibility with GHC 7.8.2.
+
+ * Omit unnecessary ‘forall’s (#315 and #86)
+
+ * Remove some files which were really old or did not belong in the
+   repository in the first place.
+
+## Changes in version 2.14.3
+
+ * Fix parsing of identifiers with ^ or ⋆ in them (#298)
+
+ * Fix anchors (#308)
+
+## Changes in version 2.14.2
+
+ * Always drop --split-objs GHC flag for performance reasons (#292)
+
+ * Print kind signatures GADTs (#85)
+
+ * Drop single leading whitespace when reasonable from @-style blocks (#201)
+
+ * Fix crashes associated with exporting data family record selectors (#294)
+
+## Changes in version 2.14.1
+
+ * Render * and -> with their UnicodeSyntax equivalents if -U is enabled
+
+ * Display minimal complete definitions for type classes
+
+ * Hide right hand side of TF instances with hidden names on the RHS
+
+## Changes in version 2.14.0
+
+ * Print entities with missing documentation (#258)
+
+ * Print a warning message when given `-optghc` instead of `--optghc` (#5)
+
+ * Add `--compatible-interface-versions` (#231)
+
+ * Allow to generate latex documentation for FFI declarations (#247)
+
+ * Add copyright and license information to generated documentation
+
+ * Improved to Unicode support
+
+ * Bold markup support
+
+ * Nested paragraphs
+
+ * Better escaping
+
+ * Header markup
+
+ * Parser should no longer fail to parse any markup
+
+ * {-# OPTIONS_HADDOCK show-extensions #-} pragma will show the GHC extensions
+   enabled in the module.
+
+ * Properly render License field (#271)
+
+ * Print type/data family instances (for exported types only)
+
+ * Fix display of poly-kinded type operators (#189)
+
+ * PatternSynonyms support
+
+ * Fix display of implicit parameters (#260)
+
+ * Fix rendering of Contents when links are present (#276)
+
+ * Fix documentation duplication on record fields (#195)
+
+ * Add `--source-entity-line` for exact line links (eg. things defined
+   inside TH splices) (#79)
+
+ * Display fixity information for names with nonstandard fixities
+
+ * Bird tracks specified like "> code" no longer suffer from an extra leading
+   space in the code output
+
+## Changes in version 2.13.2
+
+ * Handle HsExplicitListTy in renamer (#213)
+
+ * Allow haddock markup in deprecation messages
+
+ * Export more types from Documentation.Haddock
+
+ * Include everything that is required to run the test suite with the cabal
+   package (#230)
+
+## Changes in version 2.13.1
+
+ * Hide instances that are "internal" to a module
+
+ * Add support for properties in documentation
+
+ * Fix a bug with spurious superclass constraints
+
+ * Fix and extend the Haddock API
+
+## Changes in version 2.12.0
+
+ * Labeled URLs (e.g <http://example.net/ some label>)
+
+ * Improved memory usage (new dependency: deepseq)
+
+## Changes in version 2.11.0
+
+ * Show deprecation messages for identifiers
+
+ * List identifiers declared on the same line (with a common type) separately
+
+ * Don't crash on unicode strings in doc comments
+
+ * Fix reporting of modules safe haskell mode
+
+ * Fix a case where we were generating invalid xhtml
+
+ * Improved --qual option (no crashes, proper error messages)
+
+ * A new --qual option "aliased" which qualifies identifiers by the module alias
+   used in the source code
+
+ * The Haddock API restores GHC's static flags after invocation
+
+ * Access to unexported identifiers through the Haddock API again
+
+## Changes in version 2.10.0
+
+ * Require GHC >= 7.4
+
+ * Safe Haskell indications on module pages
+
+ * Type declarations on identifiers no longer necessary
+
+ * Add flag --interface-version
+
+ * Warn when comment refers to in-scope identifier without documentation
+
+ * Bug fix: links to out-of-scope things (#78)
+
+ * Bug fix: module references to other packages work again
+
+## Changes in version 2.9.4
+
+  * Require GHC >= 7.2
+
+  * Support Alex 3.x
+
+## Changes in version 2.9.3
+
+  [This is the version that comes with GHC 7.2.1 although it claims it's 2.9.2!]
+
+  * Build with GHC 7.2.1
+
+  * Support blank lines in results of examples
+
+  * A type signature for multiple names generates one signature in the output
+
+  * Minor bug fixes
+
+## Changes in version 2.9.2
+
+  * Build with GHC 7.0.2
+
+  * Write Hoogle output in utf8; fixes GHC build on Windows
+
+## Changes in version 2.9.1
+
+  * Fix build in GHC tree
+
+  * Improve .cabal file
+
+## Changes in version 2.9.0
+
+  * Drop support for ghc < 7
+
+  * New flag --qual for qualification of names
+
+  * Print doc coverage information to stdout when generating docs
+
+  * Include an 'All' option in the A-Z subdivided index
+
+  * Make TOC group header identifiers validate
+
+  * Minor changes to the API
+
+## Changes in the version that comes with GHC 7.0.1
+
+  [This version claims it is 2.8.0 but is actually based on 2.8.1]
+
+  * Fix URL creation on Windows: Use / not \ in URLs.
+
+  * Support GHC 7.0
+
+## Changes in version 2.8.1
+
+  * Fix build on Windows with MinGW
+
+## Changes in version 2.8.0
+
+  * HTML backend completely rewritten to generate semantically rich XHTML
+    using the xhtml package.
+
+  * New default CSS based on the color scheme chosen for the new Haskell
+    wiki, with a pull-out tab for the synopsis.
+
+  * Theme engine based on CSS files. Themes can be switched from the
+    header menu. (New flags --built-in-themes and --theme. The latter
+    is an alias for --css which now has extended semantics).
+
+  * Markup support for executable examples/unit-tests. To be used with an
+    upcoming version of the DocTest program.
+
+  * Addition of a LaTeX backend.
+
+  * Frames-mode can be enabled from the header menu.
+
+  * Path to source entities can be specified per package, so that source
+    links work for cross-package documentation.
+
+  * Support for a second form of enumerated lists (1. 2. etc).
+
+  * Additions and changes to the Haddock API.
+
+  * New flag --no-tmp-comp-dir to tell Haddock to write and pick up
+    compilation files (.o, .hi, etc) to/from GHC's output directory instead
+    of a temporary directory.
+
+  * Various bug fixes.
+
+-----------------------------------------------------------------------------
+
+## Changes in version 2.6.1 (bug fix release from the stable branch)
+
+  * Fix #128
+
+-----------------------------------------------------------------------------
+
+## Changes in version 2.7.2
+
+  * Add Paths_haddock to library
+
+-----------------------------------------------------------------------------
+
+## Changes in version 2.7.1:
+
+  * Fix problems with library part of .cabal file
+
+-----------------------------------------------------------------------------
+
+## Changes in version 2.7.0:
+
+  * Instances can be commented
+
+  * The Haddock API now exposes more of the internals of Haddock
+
+  * Bug fixes (most importantly #128)
+
+-----------------------------------------------------------------------------
+
+## Changes in version 2.6.0:
+
+  * Drop support for GHC 6.10.*
+
+  * Add support for GHC 6.12.1
+
+  * Cross-package documentation: full documentation show up when re-exporting
+    things coming from external packages
+
+  * Lexing and parsing the Haddock comment markup is now done in Haddock
+    again, instead of in GHC
+
+  * Slightly prettier printing of instance heads
+
+  * Support platforms for which GHC has no native code generator
+
+  * Add a flag --print-ghc-libdir
+
+  * Minor bug fixes
+
+-----------------------------------------------------------------------------
+
+Changed in version 2.5.0:
+
+  * Drop support for GHC 6.8.*
+
+  * Add support for GHC 6.10.3 and 6.10.4
+
+  * Revert to the old multi-page index for large packages (#106)
+
+  * Show GADT records in the generated documentation
+
+  * Create output directory if it doesn't exist (#104)
+
+  * Use the native codegen instead of compiling via C for TH modules
+
+  * Add --use-unicode flag for displaying prettier versions of common symbols
+
+  * Multiple verbosity levels: remove --verbose and add --verbosity=n
+
+-----------------------------------------------------------------------------
+
+Changed in version 2.4.2:
+
+  * Support GHC 6.10.2
+
+  * Haddock no longer crashes on Template Haskell modules (#68)
+    (only with GHC 6.10.2 or above)
+
+  * Fix problem with Template Haskell-generated declarations disappearing (#59)
+
+  * Generate two anchors for each link for compatibility between IE and Opera
+    (#45)
+
+  * Improved error messages
+
+  * Show re-exports from external packages again (GHC ticket #2746)
+
+  * Store hidden modules in .haddock files again (needed by the haddock
+    library)
+
+  * Avoid processing boot modules
+
+  * Pragmas may exist between document comments and declarations
+
+  * Do not indicate that a constructor argument is unboxed
+
+  * Fix problem with non-working links to ghc-prim
+
+  * Allow referring to a specific section within a module in a module link
+    (#65)
+
+  * Fixes to the Hoogle backend
+
+  * Improvements to the haddock library
+
+  * Many other fixes (including #67, #69, #58, #57)
+
+-----------------------------------------------------------------------------
+
+Changed in version 2.4.1:
+
+  * Depend on base 4.* when GHC >= 6.9, otherwise 3.*
+
+-----------------------------------------------------------------------------
+
+Changed in version 2.4.0:
+
+  * Add framed view of the HTML documentation
+
+  * Build with GHC 6.8.2 and 6.8.3 again
+
+  * Support images in documentation comments again
+
+  * Small improvements to the Hoogle output
+
+  * A few bugs has been fixed
+
+-----------------------------------------------------------------------------
+
+Changed in version 2.3.0:
+
+  * Support for GHC 6.10.1
+
+  * Slightly improved space usage
+
+  * Fix a bug that made hidden modules show up in the contents & index pages
+
+  * Fix a bug that made Haddock load modules twice
+
+  * Improvements to the Hoogle output
+
+-----------------------------------------------------------------------------
+
+Changed in version 2.2.2:
+
+  * Relax version dependency on ghc-paths
+
+-----------------------------------------------------------------------------
+
+## Changes in version 2.2.1:
+
+  * Support for GHC 6.8.3
+
+  * The Hoogle backend is back, thanks to Neil Mitchell. The plan is to be
+    compatible with the upcoming Hoogle 4 pre-release
+
+  * Show associated types in the documentation for class declarations
+
+  * Show type family declarations
+
+  * Show type equality predicates
+
+  * Major bug fixes (#1 and #44)
+
+  * It is no longer required to specify the path to GHC's lib dir
+
+  * Remove unnecessary parenthesis in type signatures
+
+-----------------------------------------------------------------------------
+
+## Changes in version 2.1.0:
+
+  * Fix a bug that made links point to the defining module instead
+    of the "best" one (e.g Int pointing to GHC.Base instead of Data.Int)
+
+  * Fix a couple of smaller bugs
+
+  * The representation of DocName was changed in the library
+
+  * Add a flag --no-warnings for turning off warnings
+
+-----------------------------------------------------------------------------
+
+## Changes in version 2.0.0.0:
+
+  * The GHC API is used as the front-end
+
+  * Haddock now understands all syntax understood by GHC 6.8.2
+
+  * Haddock can generate documentation for some of the language extensions
+    in GHC 6.8.2
+
+  * Format of module attributes has changed. The only way of specifying
+    module attributes is via a new OPTIONS_HADDOCK pragma. Example:
+    {-# OPTIONS_HADDOCK hide, prune #-}
+
+  * Haddock understands literate source files
+
+  * Add a small library to read Haddock's interface files
+
+  * Add a flag -B for passing the path to the GHC lib dir
+
+  * Add a flag --optghc for passing options to GHC
+
+  * Add a flag --ghc-version for printing the GHC version
+
+  * Remove --use-package, --allow-missing-html, --ghc-pkg, in favour of only
+    supporting --read-interface
+
+  * Remove --package flag, the GHC flag -package-name can be used instead
+
+  * Remove --no-implicit-prelude flag, the GHC flag -XNoImplicitPrelude can
+    be used instead
+
+-----------------------------------------------------------------------------
+
+## Changes in version 0.9:
+
+  * Infix type operators, e.g., first :: a~>a' -> (a,b)~>(a',b)
+
+  * Add a search box to the index page which automatically narrows
+    the index to the search as you type (thanks to Neil Mitchell).
+
+  * Add a --ghc-pkg flag
+
+  * Add a flag --allow-missing-html
+
+  * URL expansion for %%, %L, %{LINE}
+
+  * added substitution %{FILE///c}
+
+  * Lexing of /.../ is now more like '...', in that a / character must
+    be matched by another / character on the same line, otherwise it
+    is treated as a literal '/'.  This removes a common source of
+    accidental parse errors in documentation.
+
+  * Various bugs were fixed.
+
+  * Cabal 1.2 is now required, and Haddock builds with GHC 6.8.x.
+
+-----------------------------------------------------------------------------
+
+## Changes in version 0.8:
+
+  * Haddock has a Cabal build system, and will build on Windows without
+    Cygwin or MSYS.  GHC 6.4 or later is required.
+
+  * New options: --comments-base, --comments-module, --comments-entity
+    for generating links to pages (eg. wiki) for collecting user comments.
+
+  * New options: --source-base, --source-module, --source-entity
+    for generating links to source code.  Haddock now understands
+    {-# LINE #-} pragmas, which means it can figure out the correct
+    name for the source file even if the file is preprocessed.
+
+  * Haddock generates output for populating the Hoogle search engine.
+
+  * New markup <<url>> for including images.
+
+-----------------------------------------------------------------------------
+
+## Changes in version 0.7:
+
+  * ## Changes in the way Haddock decides where to direct hyperlinks.  Each entity
+    is now assigned a single "home" module, and all hyperlinks are directed
+    to that module.  See the docs ("Hyperlinking and re-exported entities")
+    for details.
+
+  * New options --ignore-all-exports, --hide
+
+  * New option --use-package for creating documentation that hyperlinks to
+    the HTML documentation for existing packages on your system.  It works
+    by querying ghc-pkg for the location of the Haddock interface and
+    HTML for the given package.
+
+  * Parts of the HTML documentation, notably lists of instances, are
+    now "collapsible" with a +/- button.  Also, the contents page is now
+    in the form of tree in which subtrees can be collapsed.
+
+  * Support for Microsoft DevHelp and HtmlHelp 2.0 formats.
+
+  * Support for a short description for each module for the contents page.
+
+  * Compiles with GHC 6.4+
+
+  * Various bugfixes
+
+-----------------------------------------------------------------------------
+
+## Changes in version 0.6:
+
+  * Implicit parameters, zip comprehensions and 'mdo' are now
+    supported by the parser.
+
+  * Some lexical bugs were fixed, mainly concerning literal paragraphs
+    next to non-literal paragraphs.
+
+  * New options:  --gen-index, --use-index, --gen-contents and --use-contents,
+    for generting a combined index and contents for several libraries
+    from the appropriate .haddock files.
+
+  * There is now one index rather than separate Function/Constructor and
+    Type/Class indices.  Where a name refers to several entities, these
+    are listed separately in the index.
+
+  * New option: -v, elicits more verbose warnings.  Some warnings are
+    now turned off by default; Haddock should be a little less noisy
+    in general.
+
+  * Markup for definition lists has been added.  See the documentation
+    for details.
+
+  * New option: --package for setting the package name.  The package
+    is listed alongside each module name in the combined contents.
+
+  * Entities which are re-exported from another package now at least
+    leave a hyperlink in the generated HTML, rather than nothing at all.
+
+  * Some fixes for bugs which caused incorrect hyperlinks in the
+    generated HTML.  In particular, instances should now be linked
+    correctly.
+
+  * Some aesthetic improvements to the generated HTML.
+
+-----------------------------------------------------------------------------
+
+## Changes in version 0.5:
+
+  * Compiles with recent versions of GHC.
+
+  * A few bugs have been fixed.
+
+  * New labelling/linking feature (see "Anchors" in the manual).
+
+-----------------------------------------------------------------------------
+
+## Changes in version 0.4:
+
+  * Import declarations which list entities in parentheses, or with
+    hiding clauses, are now properly supported.  Modulo one or two
+    small infelicities, the full Haskell modules system is now supported.
+
+  * Haddock is now more flexible about the placing of separators
+    (commas, semicolons) in relation to doc comments.
+
+  * There is support for generating and reading "interface files"
+    which describe the exports of a set of modules.  This is useful
+    for generating documentation which hyperlinks to
+    previously-generated documentation.
+
+  * Support for generating the extra files required by the Microsoft
+    Help compiler.
+
+  * New option: --prologue specifies a file of documentation which is
+    placed on the contents page.
+
+  * Many bugs fixed
+
+-----------------------------------------------------------------------------
+## Changes in version 0.3:
+
+  * Documentation on individual function arguments is now implemented
+
+  * Links can be made to identifiers that aren't in scope, by using
+    the fully qualified name.
+
+  * Instances are collected and listed with the appropriate classes
+    and datatypes (not for derived instances yet).
+
+  * Single quotes are only interpreted specially when they surround a
+    legal Haskell identifier, otherwise they are treated literally.
+
+  * Bird-tracked text is now literal.  If you want marked-up text in
+    a code block, use the @...@ notation instead.
+
+  * Various changes to the layout, it generally looks nicer now.
+
+  * Various bugs fixed.
+
+-----------------------------------------------------------------------------
+## Changes in version 0.2:
+
+  * The [...] markup for typewriter font has been changed to @...@.
+
+  * Module attributes introduced (see the documentation for details).
+
+  * {- ... -} style comments may now be used for documentation annotations
+
+  * Recursive modules are detected and reported as an error.
+
+  * Existential constructors and rank-N types are now groked by the parser
+
+  * Some type rendering cleaned up
+
+  * `abc' is accepted as well as 'abc' to markup an identifier
+
+  * Several bugs fixed, and error messages improved.