nvim: treesitter: Enable Haskell

nvim/.config/nvim/lua/plugins.lua

@@ -85,9 +85,7 @@ local init = function ()
     'whonore/Coqtail',
     'jlapolla/vim-coq-plugin'
   }
-  -- Haskell
-  use 'neovimhaskell/haskell-vim'
-  -- For C, Lua and Rust
+  -- treesitter based syntax highlighting
   use {
     'nvim-treesitter/nvim-treesitter-textobjects',
     requires = { 'nvim-treesitter/nvim-treesitter' },
@@ -98,7 +96,7 @@ local init = function ()
   use 'lervag/vimtex'
   use 'vim-pandoc/vim-pandoc'
   use 'vim-pandoc/vim-pandoc-syntax'
-  -- Dhall & nix
+  -- Dhall
   use 'vmchale/dhall-vim'
   -- Other syntax highlighting support
   use 'inkarkat/SyntaxAttr.vim'

nvim/.config/nvim/lua/treesitter.lua

@@ -1,5 +1,5 @@
 require'nvim-treesitter.configs'.setup {
-  ensure_installed = { "bash", "c", "clojure", "cpp", "fennel", "fish", "java", "javascript", "jsdoc", "json", "lua", "nix", "python", "query", "rust", "toml" },
+  ensure_installed = { "bash", "c", "clojure", "cpp", "fennel", "fish", "haskell", "java", "javascript", "jsdoc", "json", "lua", "nix", "python", "query", "rust", "toml" },
   highlight   = { enable = true, },
   textobjects = {
     select = {