anchor.diff:        "coc-solargraph"
         "coc-stylelint"
         "coc-tabnine"
  +      "coc-texlab"
         "coc-tslint"
         "coc-tslint-plugin"
         "coc-tsserver"
  
positive.code:       "coc-metals"
        "coc-pairs"
        "coc-prettier"
        "coc-python"
        "coc-pyright"
        "coc-r-lsp"
        "coc-rls"
        "coc-rust-analyzer"
  
negative.code: } // (
    let
      nodePackageNames = [
        "coc-clangd"
        "coc-cmake"
        "coc-css"
        "coc-diagnostic"
        "coc-emmet"
  