diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -15,3 +15,8 @@
 ## 0.2.0.0 -- 2022-11-14
 
 * Second version. Added the possibility to specify your own list  of Char-delimiters (using -d option).
+
+## 0.2.0.1 -- 2022-11-15
+
+* Second version revised A. Fixed issue with the colon as the formatting delimiter. Some minor error handling improvements.
+
diff --git a/GVTI.hs b/GVTI.hs
--- a/GVTI.hs
+++ b/GVTI.hs
@@ -171,7 +171,7 @@
           let ys = processCellsG delims splines1 text in writeFile ("at." ++ show ts ++ "." ++ bnames1 ++ ".gv") ys
           putStrLn "The visualization will be created with the at-sign preserved."
           processFile 'a' ts bnames1 xxs yys
-  | otherwise = error "Empty text to be processed! "
+  | otherwise = error "GVTI.process2: Empty text to be processed! "
 
 procCtrl :: Int -> IO String
 procCtrl 1 = putStrLn "Please, input the basic name of the visualization file!" >> getLine
@@ -189,7 +189,7 @@
 processFile w t zs xxs yys = do
   if all (isJust . showE) ["fdp","twopi","circo","neato","sfdp","dot","patchwork","osage"]
     then processFile1 w t zs xxs yys
-    else error "MMSyn4.processFile: Please, install the GraphViz so that its executables are in the directories mentioned in the variable PATH!"
+    else error "GVTI.processFile: Please, install the GraphViz so that its executables are in the directories mentioned in the variable PATH!"
 {-# INLINE processFile #-}
 
 processFile1 :: Char -> Integer -> String -> String -> String -> IO ()
diff --git a/Main.hs b/Main.hs
--- a/Main.hs
+++ b/Main.hs
@@ -39,7 +39,7 @@
     then do 
       text2 <- readFile arg0 -- well, in the future  this can be extended to also stdin.
       let txt 
-           | gvti = unlines  . formatLines ':' . filter (any (\x -> isLetter x || isDigit x)) . lines $ text2
+           | gvti = unlines  . formatLines (head delims) . filter (any (\x -> isLetter x || isDigit x)) . lines $ text2
            | otherwise =  unlines . filter (any (\x -> isLetter x || isDigit x)) . lines $ text2
       process2 delims xxs yys bnames splines remAts txt
-    else putStrLn "No file specified exists in the current directory! "  
+    else error "Main: No file specified exists in the current directory! "  
diff --git a/gvti.cabal b/gvti.cabal
--- a/gvti.cabal
+++ b/gvti.cabal
@@ -2,7 +2,7 @@
 -- documentation, see http://haskell.org/cabal/users-guide/
 
 name:                gvti
-version:             0.2.0.0
+version:             0.2.0.1
 synopsis:            GraphViz Tabular Interface
 description:         Introduces a new file extension .gvti and is a special tabular or line-based GraphViz subset interface. Is a fork of the now deprecated mmsyn4 package.
 homepage:            https://hackage.haskell.org/package/gvti