diff --git a/README.md b/README.md
index ca888fe..106ada6 100644
--- a/README.md
+++ b/README.md
@@ -70,6 +70,10 @@ On Debian based distros:
 
     apt-get install shellcheck
 
+On Gentoo based distros:
+
+    emerge --ask shellcheck
+
 On Fedora based distros:
 
     dnf install ShellCheck
diff --git a/ShellCheck/Checker.hs b/ShellCheck/Checker.hs
index 2bfdc94..ce63a75 100644
--- a/ShellCheck/Checker.hs
+++ b/ShellCheck/Checker.hs
@@ -39,7 +39,7 @@ import Test.QuickCheck.All
 
 tokenToPosition map (TokenComment id c) = fromMaybe fail $ do
     position <- Map.lookup id map
-    return $ PositionedComment position c
+    return $ PositionedComment position position c
   where
     fail = error "Internal shellcheck error: id doesn't exist. Please report!"
 
@@ -65,13 +65,13 @@ checkScript sys spec = do
         return . nub . sortMessages . filter shouldInclude $
             (parseMessages ++ map translator analysisMessages)
 
-    shouldInclude (PositionedComment _ (Comment _ code _)) =
+    shouldInclude (PositionedComment _ _ (Comment _ code _)) =
         code `notElem` csExcludedWarnings spec
 
     sortMessages = sortBy (comparing order)
-    order (PositionedComment pos (Comment severity code message)) =
+    order (PositionedComment pos _ (Comment severity code message)) =
         (posFile pos, posLine pos, posColumn pos, severity, code, message)
-    getPosition (PositionedComment pos _) = pos
+    getPosition (PositionedComment pos _ _) = pos
 
     analysisSpec root =
         AnalysisSpec {
@@ -84,7 +84,7 @@ getErrors sys spec =
     sort . map getCode . crComments $
         runIdentity (checkScript sys spec)
   where
-    getCode (PositionedComment _ (Comment _ code _)) = code
+    getCode (PositionedComment _ _ (Comment _ code _)) = code
 
 check = checkWithIncludes []
 
diff --git a/ShellCheck/Formatter/Format.hs b/ShellCheck/Formatter/Format.hs
index d9bfaa9..143de8d 100644
--- a/ShellCheck/Formatter/Format.hs
+++ b/ShellCheck/Formatter/Format.hs
@@ -30,13 +30,15 @@ data Formatter = Formatter {
     footer :: IO ()
 }
 
-lineNo (PositionedComment pos _) = posLine pos
-colNo  (PositionedComment pos _) = posColumn pos
-codeNo (PositionedComment _ (Comment _ code _)) = code
-messageText (PositionedComment _ (Comment _ _ t)) = t
+lineNo (PositionedComment pos _ _) = posLine pos
+endLineNo (PositionedComment _ end _) = posLine end
+colNo  (PositionedComment pos _ _) = posColumn pos
+endColNo  (PositionedComment _ end _) = posColumn end
+codeNo (PositionedComment _ _ (Comment _ code _)) = code
+messageText (PositionedComment _ _ (Comment _ _ t)) = t
 
 severityText :: PositionedComment -> String
-severityText (PositionedComment _ (Comment c _ _)) =
+severityText (PositionedComment _ _ (Comment c _ _)) =
     case c of
         ErrorC   -> "error"
         WarningC -> "warning"
@@ -48,12 +50,15 @@ makeNonVirtual comments contents =
     map fix comments
   where
     ls = lines contents
-    fix c@(PositionedComment pos comment) = PositionedComment pos {
-        posColumn =
-            if lineNo c > 0 && lineNo c <= fromIntegral (length ls)
-            then real (ls !! fromIntegral (lineNo c - 1)) 0 0 (colNo c)
-            else colNo c
+    fix c@(PositionedComment start end comment) = PositionedComment start {
+        posColumn = realignColumn lineNo colNo c
+    } end {
+        posColumn = realignColumn endLineNo endColNo c
     } comment
+    realignColumn lineNo colNo c =
+      if lineNo c > 0 && lineNo c <= fromIntegral (length ls)
+      then real (ls !! fromIntegral (lineNo c - 1)) 0 0 (colNo c)
+      else colNo c
     real _ r v target | target <= v = r
     real [] r v _ = r -- should never happen
     real ('\t':rest) r v target =
diff --git a/ShellCheck/Formatter/JSON.hs b/ShellCheck/Formatter/JSON.hs
index 018db27..7225165 100644
--- a/ShellCheck/Formatter/JSON.hs
+++ b/ShellCheck/Formatter/JSON.hs
@@ -37,10 +37,12 @@ format = do
     }
 
 instance JSON (PositionedComment) where
-  showJSON comment@(PositionedComment pos (Comment level code string)) = makeObj [
-      ("file", showJSON $ posFile pos),
-      ("line", showJSON $ posLine pos),
-      ("column", showJSON $ posColumn pos),
+  showJSON comment@(PositionedComment start end (Comment level code string)) = makeObj [
+      ("file", showJSON $ posFile start),
+      ("line", showJSON $ posLine start),
+      ("endLine", showJSON $ posLine end),
+      ("column", showJSON $ posColumn start),
+      ("endColumn", showJSON $ posColumn end),
       ("level", showJSON $ severityText comment),
       ("code", showJSON code),
       ("message", showJSON string)
diff --git a/ShellCheck/Interface.hs b/ShellCheck/Interface.hs
index 41517ff..6662a1e 100644
--- a/ShellCheck/Interface.hs
+++ b/ShellCheck/Interface.hs
@@ -94,7 +94,7 @@ data Position = Position {
 } deriving (Show, Eq)
 
 data Comment = Comment Severity Code String deriving (Show, Eq)
-data PositionedComment = PositionedComment Position Comment deriving (Show, Eq)
+data PositionedComment = PositionedComment Position Position Comment deriving (Show, Eq)
 data TokenComment = TokenComment Id Comment deriving (Show, Eq)
 
 data ColorOption =
diff --git a/ShellCheck/Parser.hs b/ShellCheck/Parser.hs
index 6f3e1bf..2c7caed 100644
--- a/ShellCheck/Parser.hs
+++ b/ShellCheck/Parser.hs
@@ -135,7 +135,7 @@ almostSpace =
 
 --------- Message/position annotation on top of user state
 data Note = Note Id Severity Code String deriving (Show, Eq)
-data ParseNote = ParseNote SourcePos Severity Code String deriving (Show, Eq)
+data ParseNote = ParseNote SourcePos SourcePos Severity Code String deriving (Show, Eq)
 data Context =
         ContextName SourcePos String
         | ContextAnnotation [Annotation]
@@ -162,9 +162,9 @@ initialUserState = UserState {
     pendingHereDocs = []
 }
 
-codeForParseNote (ParseNote _ _ code _) = code
+codeForParseNote (ParseNote _ _ _ code _) = code
 noteToParseNote map (Note id severity code message) =
-        ParseNote pos severity code message
+        ParseNote pos pos severity code message
     where
         pos = fromJust $ Map.lookup id map
 
@@ -320,14 +320,16 @@ pushContext c = do
     v <- getCurrentContexts
     setCurrentContexts (c:v)
 
-parseProblemAt pos level code msg = do
+parseProblemAtWithEnd start end level code msg = do
     irrelevant <- shouldIgnoreCode code
     unless irrelevant $
         Ms.modify (\state -> state {
             parseProblems = note:parseProblems state
         })
   where
-    note = ParseNote pos level code msg
+    note = ParseNote start end level code msg
+
+parseProblemAt pos = parseProblemAtWithEnd pos pos
 
 -- Store non-parse problems inside
 
@@ -335,7 +337,9 @@ parseNote c l a = do
     pos <- getPosition
     parseNoteAt pos c l a
 
-parseNoteAt pos c l a = addParseNote $ ParseNote pos c l a
+parseNoteAt pos c l a = addParseNote $ ParseNote pos pos c l a
+
+parseNoteAtWithEnd start end c l a = addParseNote $ ParseNote start end c l a
 
 --------- Convenient combinators
 thenSkip main follow = do
@@ -810,7 +814,7 @@ readCondition = called "test expression" $ do
     pos <- getPosition
     space <- allspacing
     when (null space) $
-        parseProblemAt pos ErrorC 1035 $ "You need a space after the " ++
+        parseProblemAtWithEnd opos pos ErrorC 1035 $ "You need a space after the " ++
             if single
                 then "[ and before the ]."
                 else "[[ and before the ]]."
@@ -2592,13 +2596,15 @@ parseWithNotes parser = do
     state <- getState
     return (item, state)
 
-compareNotes (ParseNote pos1 level1 _ s1) (ParseNote pos2 level2 _ s2) = compare (pos1, level1) (pos2, level2)
+compareNotes (ParseNote pos1 pos1' level1 _ s1) (ParseNote pos2 pos2' level2 _ s2) = compare (pos1, pos1', level1) (pos2, pos2', level2)
 sortNotes = sortBy compareNotes
 
 
 makeErrorFor parsecError =
-    ParseNote (errorPos parsecError) ErrorC 1072 $
+    ParseNote pos pos ErrorC 1072 $
         getStringFromParsec $ errorMessages parsecError
+    where
+      pos = errorPos parsecError
 
 getStringFromParsec errors =
         case map f errors of
@@ -2651,9 +2657,9 @@ parseShell sys name contents = do
     isName (ContextName _ _) = True
     isName _ = False
     notesForContext list = zipWith ($) [first, second] $ filter isName list
-    first (ContextName pos str) = ParseNote pos ErrorC 1073 $
+    first (ContextName pos str) = ParseNote pos pos ErrorC 1073 $
         "Couldn't parse this " ++ str ++ "."
-    second (ContextName pos str) = ParseNote pos InfoC 1009 $
+    second (ContextName pos str) = ParseNote pos pos InfoC 1009 $
         "The mentioned parser error was in this " ++ str ++ "."
 
 -- Go over all T_UnparsedIndex and reparse them as either arithmetic or text
@@ -2692,8 +2698,8 @@ reattachHereDocs root map =
     f t = t
 
 toPositionedComment :: ParseNote -> PositionedComment
-toPositionedComment (ParseNote pos severity code message) =
-    PositionedComment (posToPos pos) $ Comment severity code message
+toPositionedComment (ParseNote start end severity code message) =
+    PositionedComment (posToPos start) (posToPos end) $ Comment severity code message
 
 posToPos :: SourcePos -> Position
 posToPos sp = Position {