[NonGNU ELPA] Haskell-Mode version 4.7.1

[ELPA update]

Version 4.7.1 of package Haskell-Mode has just been released in NonGNU ELPA.
You can now find it in M-x package-list RET.

Haskell-Mode describes itself as:
  A Haskell editing mode

More at https://elpa.nongnu.org/nongnu/haskell-mode.html

Recent NEWS:

Haskell Mode NEWS                                -*- org -*-

This file uses Org mode. Some useful (default) key-bindings:
 - Use "C-c C-n"/"C-c C-p" to jump to next/prev heading
 - Use "<tab>" to expand/collapse nodes
 - Use "<backtab>" to cycle visibility of all nodes
 - Use "C-c C-o" to open links

* Changes in 17.1

- Require at least Emacs 25.1

- Many fixes and minor improvements

- Improved compatibility with newer GHC and Cabal versions

* Changes in 16.1

- Require at least Emacs 24.3

- Implemented standalone deriving indentation

- Removed haskell-indentation-ifte-offset

- Implemented electric characters

- Added LiquidHaskell annotation highlight

- Introduced haskell-hasktags-path defcustom

- Added font lock tests for pattern synonyms

- Hardcoded haskell-ghc-supported-extensions/options

- Added multi-line input in haskell-interactive

- Added haskell-mode-stylish-haskell-path

- Added Windows CI builds

- Added syntax highlight to Yesod rules quasi quote

- Added support for line continuation in #define's

- Added support unterminated strings in indentation

- Implemented /italic/ and *bold* for haddock

- Added significant speedups in font-lock engine

- Added support for full complexity of backtick syntax

- Operators at the end or beginning of line force expression continuation in 
indentation

- Map haskell-mode-format-imports to C-c C-, to avoid conflict with 
haskell-indent

- Improve auto add dependencies in cabal

- Fix inferior-haskell warning font lock for GHC 8.0

* Changes in 13.20

- Require at least Emacs 24.1

- Honor equals on its own line in data decl

- Honor equals on separate line after guards

- Allow haskell-process-path-* to be lists

- Fontify True/False in cabal mode

- Align | with = in data declarations

- Remove haskell-package.el

- Run stylish-haskell before save

- Improved lexeme parsing in haskell-lexeme

- Add haskell-interactive-copy-to-prompt

- Remove haskell-mode-contextual-space and related var

- Make haskell-indent-region do nothing

- Add c2hs mode

- Improve hasktags handling

- Move documentation from wiki to haskell-mode manual

* Changes in 13.18

- Removed haskell-bot

- Implement shallow indentation

- Removed haskell-simple-indent

- Removed haskell-indentation show dynamic positions

- Improved indentation inside multiline strings

- Implemented font-lock for quasi quoted XML, HTML and JavaScript

- Added '{type|data} family' to font-lock-keywords-create

- Started using undercover.el for emacs lisp coverage

- Added keybinding for `haskell-cabal-visit-file`

- Added type role to font lock

- Detect and respect the comma style of a section in cabal files

* Changes in 13.16

- Improved parsing of comma lists in haskell indentation

- Declared turn-on-haskell-indentation as obsolete

- Improved QuasiQuote font lock

- Fixed indentation for Unicode symbols

- Improved completion engine

- Added support for interaction with stack ghci

- Added haskell-forward-sexp

- Added overlays to haskell load

- Made use of lexical binding for all emacs lisp sources

- Improved indentation of guards with commas

- Made three indentation modes mutually turn each other off

- Added an additional trigger for pragma suggestions

- Improved and documented `toggle-scc-at-point` in manual

* Changes in 13.14

- Add official Haskell Mode logo

- Add auto deploy for html manual

- Improve presentation mode

- Font Lock refactoring and improvements

- Properly delimit operators in prettify mode

- OPTIONS and LANGUAGE completion using ghci

- Merge hi2 (haskell-indentation attempt 2) in place of haskell-indentation

- Prompt to reconfigure when Cabal demands it

- Fontify pragmas while fontifying comments

- Operators are fontified

- Remove all mentions of cabal-dev

- Merge hsc-mode into haskell-mode

- Get type information from ghci in interaction-mode

- Prettify Haskell types in eldoc support

- Added haskell-hoogle-url

- Fix w3m-haddock in the case of no local files

* Changes in ...
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