More tweaks

vim/vimrc.symlink

@@ -75,13 +75,12 @@ Plug 'jimenezrick/vimerl', { 'for': 'erlang' }
 Plug 'groenewege/vim-less', { 'for': 'less' }
 
 " Haskell
+"Plug 'enomsg/vim-haskellConcealPlus', { 'for': ['haskell', 'cabal'] }
 Plug 'neovimhaskell/haskell-vim', { 'for': ['haskell', 'cabal'] }
-Plug 'enomsg/vim-haskellConcealPlus', { 'for': ['haskell', 'cabal'] }
 Plug 'eagletmt/ghcmod-vim', { 'for': ['haskell', 'cabal'] }
 Plug 'eagletmt/neco-ghc', { 'for': ['haskell', 'cabal'] }
 Plug 'Twinside/vim-hoogle', { 'for': ['haskell', 'cabal'] }
 Plug 'mpickering/hlint-refactor-vim', { 'for': ['haskell', 'cabal'] }
-"Plug 'enomsg/vim-haskellConcealPlus', { 'for': ['haskell', 'cabal'] }
 
 " Rust
 Plug 'wting/rust.vim', { 'for': 'rust' }
@@ -711,8 +710,8 @@ augroup ft_haskell
     "au Bufenter *.hs compiler ghc
 
     " 1 tab == 2 spaces
-    set shiftwidth=4
-    set tabstop=4
+    set shiftwidth=2
+    set tabstop=2
 
     " Pretty unicode haskell symbols
     let g:haskell_conceal_wide = 1
@@ -722,6 +721,16 @@ augroup ft_haskell
     set ai "Auto indent
     set si "Smart indent
     set wrap "Wrap lines
+
+    let g:haskell_classic_highlighting=0
+    let g:haskell_disable_TH=0
+    let g:haskell_enable_quantification = 1   " to enable highlighting of `forall`
+    let g:haskell_enable_recursivedo = 1      " to enable highlighting of `mdo` and `rec`
+    let g:haskell_enable_arrowsyntax = 1      " to enable highlighting of `proc`
+    let g:haskell_enable_pattern_synonyms = 1 " to enable highlighting of `pattern`
+    let g:haskell_enable_typeroles = 1        " to enable highlighting of type roles
+    let g:haskell_enable_static_pointers = 1  " to enable highlighting of `static`
+    let g:haskell_backpack = 1                " to enable highlighting of backpack keywords
 
 augroup END