diff --git a/Changelog.md b/Changelog.md
--- a/Changelog.md
+++ b/Changelog.md
@@ -1,3 +1,7 @@
+### 0.2.0.1
+
+- Removed dependency on package *safe*.
+
 ### 0.2.0.0
 
 - Removed dependency on packages *regex-compat* and *cond*.
diff --git a/LICENSE b/LICENSE
--- a/LICENSE
+++ b/LICENSE
@@ -1,7 +1,7 @@
 The following license covers this documentation, and the source code, except
 where otherwise indicated.
 
-Copyright 2016-2022, Alexey Radkov. All rights reserved.
+Copyright 2016-2023, Alexey Radkov. All rights reserved.
 
 Redistribution and use in source and binary forms, with or without
 modification, are permitted provided that the following conditions are met:
diff --git a/pandoc-vimhl.cabal b/pandoc-vimhl.cabal
--- a/pandoc-vimhl.cabal
+++ b/pandoc-vimhl.cabal
@@ -1,16 +1,16 @@
 name:                    pandoc-vimhl
-version:                 0.2.0.0
+version:                 0.2.0.1
 synopsis:                Pandoc filter for native Vim code highlighting
 description:             Pandoc filter for native Vim code highlighting
-        in HTML and PDF documents. Requires Vim and plugin
+        in HTML and PDF documents. Requires Vim (or Neovim) and plugin
         <http://github.com/lyokha/vim-publish-helper vim-publish-helper>.
 homepage:                http://github.com/lyokha/vim-publish-helper
 license:                 BSD3
 license-file:            LICENSE
-extra-source-files:      Changelog.md
+extra-doc-files:         Changelog.md
 author:                  Alexey Radkov <alexey.radkov@gmail.com>
 maintainer:              Alexey Radkov <alexey.radkov@gmail.com>
-copyright:               2016-2022 Alexey Radkov
+copyright:               2016-2023 Alexey Radkov
 category:                Text
 build-type:              Simple
 cabal-version:           1.20
@@ -29,11 +29,11 @@
                        , process
                        , temporary >= 1.1
                        , text
-                       , safe
-  default-extensions:    CPP
 
   if flag(debug)
     cpp-options:        -DDEBUG
+
+  ghc-options:          -Wall
 
   main-is:               vimhl.hs
 
diff --git a/vimhl.hs b/vimhl.hs
--- a/vimhl.hs
+++ b/vimhl.hs
@@ -1,3 +1,5 @@
+{-# LANGUAGE CPP #-}
+
 import Text.Pandoc.JSON
 import System.IO (IOMode (WriteMode), openFile, hFlush)
 import System.IO.Temp
@@ -13,7 +15,7 @@
 import Data.Bool (bool)
 import Data.Maybe (fromMaybe)
 import Data.Function (on)
-import Control.Arrow ((&&&), (***))
+import Control.Arrow
 import Control.Monad
 #if !MIN_VERSION_base(4,8,0)
 import Control.Applicative
@@ -30,7 +32,6 @@
 #ifdef DEBUG
 import System.IO (hPutStr, hPutStrLn, stderr)
 #endif
-import Safe
 
 #if MIN_VERSION_pandoc_types(1,20,0)
 tOSTRING :: Text -> String
@@ -41,12 +42,12 @@
 #endif
 
 vimHl :: Maybe Format -> Block -> IO Block
-vimHl (Just fm@(Format fmt)) (CodeBlock (_, cls@(ft:_), namevals) contents)
+vimHl (Just fm@(Format fmt)) (CodeBlock (_, cls@(ft : _), namevals) contents)
     | lookup "hl" namevals' == Just "vim" && fmt' `elem` ["html", "latex"] = do
         let vimhlcmd = unwords [cmd fmt', nmb]
                 where cmd "html" = "MakeHtmlCodeHighlight"
                       cmd "latex" = "MakeTexCodeHighlight"
-                      cmd x = error $ "Unexpected format '" ++ x ++ "'"
+                      cmd _ = undefined
                       nmb | "numberLines" `elem` cls' =
                               fromMaybe "-1" $ lookup "startfrom" namevals'
                           | otherwise = ""
@@ -56,9 +57,7 @@
             cmds = maybe "" (unwords
                             . map cmd
                             . filter (not . null . fst)
-                            . map ((strip *** strip . tailSafe)
-                                  . break (== '=')
-                                  )
+                            . map ((strip *** strip . drop 1) . break (== '='))
                             . filter (/= ",")
                             . groupBy ((&&) `on` (/= ','))
                             ) $ lookup "vars" namevals'
@@ -69,11 +68,10 @@
         vimrccmd <- do
             home <- getHomeDirectory `catchIOError` const (return "")
             let vimrc = home </> ".vimrc.pandoc"
-                exists = doesFileExist &&>
-                    (getPermissions >=> return . readable)
+                exists = doesFileExist &&> (fmap readable . getPermissions)
                 (&&>) = liftM2 andM
-                ($>) = liftM2 (<$>)
-            (bool "" . ("--noplugin -u '" ++) . (++ "'")) $> exists $ vimrc
+                (<<$) = liftM2 (<$>)
+            (bool "" . ("--noplugin -u '" ++) . (++ "'")) <<$ exists $ vimrc
         block <- withSystemTempFile "_vimhl_src." $ \src hsrc -> do
             P.hPutStr hsrc contents >> hFlush hsrc
             bracket (emptySystemTempFile "_vimhl_dst.") removeFile $