diff --git a/marvin-interpolate.cabal b/marvin-interpolate.cabal
--- a/marvin-interpolate.cabal
+++ b/marvin-interpolate.cabal
@@ -1,5 +1,5 @@
 name: marvin-interpolate
-version: 0.4.0
+version: 1.0
 cabal-version: >=1.10
 build-type: Simple
 license: BSD3
@@ -34,6 +34,8 @@
         text >=1.2.2.1 && <1.3,
         mtl >=2.2.1 && <2.3
     default-language: Haskell2010
+    default-extensions: FlexibleInstances OverloadedStrings
+                        TemplateHaskell UndecidableInstances
     hs-source-dirs: src
     other-modules:
         Util
@@ -43,7 +45,7 @@
     main-is: Spec.hs
     build-depends:
         base >=4.9.0.0 && <4.10,
-        marvin-interpolate >=0.4.0 && <0.5,
+        marvin-interpolate ==1.0.*,
         hspec >=2.2.4 && <2.3,
         text >=1.2.2.1 && <1.3
     default-language: Haskell2010
diff --git a/src/Marvin/Interpolate.hs b/src/Marvin/Interpolate.hs
--- a/src/Marvin/Interpolate.hs
+++ b/src/Marvin/Interpolate.hs
@@ -15,7 +15,6 @@
   , iq
   -- * Internals/extension points
   , interpolateInto
-  , parser
   ) where
 
 
@@ -45,7 +44,7 @@
 
 parseString :: ParseM (Either String String)
 parseString = do
-    chunk <- many $ noneOf ['#']
+    chunk <- many $ satisfy (/= '#')
     fmap (Right . (chunk ++)) $ (eof >> return "") <|> (lookAhead (try (char '#' >> anyChar)) >>= endOrEscape) <|> fmap return anyChar
   where
     endOrEscape :: Char -> ParseM String
@@ -56,7 +55,7 @@
 
 
 parseInterpolation :: ParseM (Either String String)
-parseInterpolation = (try $ string "#{") >> (Left <$> parseExpr)
+parseInterpolation = try (string "#{") >> (Left <$> parseExpr)
   where
     parseExpr = do
         chunk <- many $ noneOf ['}', '"', '\'', '{']
@@ -130,7 +129,7 @@
 
 -- | __i__nterpolate __s__plice 
 --
--- Template Haskell splice function, used like @$(is "my str %{expr}")@
+-- Template Haskell splice function, used like @$(is "my str #{expr}")@
 -- 
 -- Performs no conversion on interpolated expressions like @expr@.
 is :: String -> Q Exp
@@ -139,7 +138,7 @@
 
 -- | __i__nterpolate __q__uoter
 --
--- QuasiQuoter, used like @[i|my str %{expr}|]@
+-- QuasiQuoter, used like @[iq|my str #{expr}|]@
 --
 -- Performs no conversion on interpolated expressions like @expr@.
 iq :: QuasiQuoter
diff --git a/src/Marvin/Interpolate/String.hs b/src/Marvin/Interpolate/String.hs
--- a/src/Marvin/Interpolate/String.hs
+++ b/src/Marvin/Interpolate/String.hs
@@ -9,14 +9,10 @@
 
 Please refer to the documentation at https://marvin.readthedocs.io/en/latest/interpolation.html for examples and explanations on how to use this library.
 -}
-{-# LANGUAGE FlexibleInstances    #-}
-{-# LANGUAGE OverloadedStrings    #-}
-{-# LANGUAGE TemplateHaskell      #-}
-{-# LANGUAGE UndecidableInstances #-}
 module Marvin.Interpolate.String
     ( isS, iqS
     -- * Conversion class
-    , ShowStr(..)
+    , ShowStr(showStr)
     ) where
 
 
@@ -38,10 +34,15 @@
     showListStr :: [a] -> String
     showListStr l = "[" <> intercalate ", " (map showStr l) <> "]"
 
+    {-# MINIMAL showStr #-}
+
 instance ShowStr Char where
     showStr = show
     showListStr = id
 
+instance ShowStr a => ShowStr [a] where
+    showStr = showListStr
+
 instance ShowStr T.Text where
     showStr = T.unpack
 
@@ -54,7 +55,7 @@
 
 -- | __i__nterpolate __s__plice to __S__tring
 --
--- Template Haskell splice function, used like @$(isS "my str %{expr}")@
+-- Template Haskell splice function, used like @$(isS "my str #{expr}")@
 -- 
 -- converts all expressions to 'String' by calling 'showStr' on the result.
 isS :: String -> Q Exp
@@ -63,7 +64,7 @@
 
 -- | __i__nterpolate __q__uoter to __S__tring
 --
--- QuasiQuoter, used like @[iS|my str %{expr}|]@
+-- QuasiQuoter, used like @[iqS|my str #{expr}|]@
 --
 -- converts all expressions to 'String' by calling 'showStr' on the result.
 iqS :: QuasiQuoter
diff --git a/src/Marvin/Interpolate/Text.hs b/src/Marvin/Interpolate/Text.hs
--- a/src/Marvin/Interpolate/Text.hs
+++ b/src/Marvin/Interpolate/Text.hs
@@ -9,14 +9,10 @@
 
 Please refer to the documentation at https://marvin.readthedocs.io/en/latest/interpolation.html for examples and explanations on how to use this library.
 -}
-{-# LANGUAGE FlexibleInstances    #-}
-{-# LANGUAGE OverloadedStrings    #-}
-{-# LANGUAGE TemplateHaskell      #-}
-{-# LANGUAGE UndecidableInstances #-}
 module Marvin.Interpolate.Text 
     ( isT, iqT
     -- * Conversion class
-    , ShowT(..)
+    , ShowT(showT)
     ) where
 
 
@@ -37,6 +33,11 @@
     showListT :: [a] -> Text
     showListT l = "[" <> intercalate ", " (map showT l) <> "]"
 
+    {-# MINIMAL showT #-}
+
+instance ShowT a => ShowT [a] where
+    showT = showListT
+
 instance ShowT Text where
     showT = id
 
@@ -53,7 +54,7 @@
 
 -- | __i__nterpolate __s__plice to __T__ext
 --
--- Template Haskell splice function, used like @$(isT "my str %{expr}")@
+-- Template Haskell splice function, used like @$(isT "my str #{expr}")@
 -- 
 -- converts all expressions to 'Text' by calling 'showT' on the result.
 isT :: String -> Q Exp
@@ -62,7 +63,7 @@
 
 -- | __i__nterpolate __q__uoter to __T__ext
 --
--- QuasiQuoter, used like @[iT|my str %{expr}|]@
+-- QuasiQuoter, used like @[iqT|my str #{expr}|]@
 --
 -- converts all expressions to 'Text' by calling 'showT' on the result.
 iqT :: QuasiQuoter
diff --git a/src/Marvin/Interpolate/Text/Lazy.hs b/src/Marvin/Interpolate/Text/Lazy.hs
--- a/src/Marvin/Interpolate/Text/Lazy.hs
+++ b/src/Marvin/Interpolate/Text/Lazy.hs
@@ -9,14 +9,10 @@
 
 Please refer to the documentation at https://marvin.readthedocs.io/en/latest/interpolation.html for examples and explanations on how to use this library.
 -}
-{-# LANGUAGE FlexibleInstances    #-}
-{-# LANGUAGE OverloadedStrings    #-}
-{-# LANGUAGE TemplateHaskell      #-}
-{-# LANGUAGE UndecidableInstances #-}
 module Marvin.Interpolate.Text.Lazy
     ( isL, iqL
     -- * Conversion class
-    , ShowL(..)
+    , ShowL(showL)
     ) where
 
 
@@ -37,6 +33,11 @@
     showListL :: [a] -> L.Text
     showListL l = "[" <> L.intercalate ", " (map showL l) <> "]"
 
+    {-# MINIMAL showL #-}
+
+instance ShowL a => ShowL [a] where
+    showL = showListL
+
 instance ShowL L.Text where
     showL = id
 
@@ -53,7 +54,7 @@
 
 -- | __i__nterpolate __s__plice to __L__azy Text
 --
--- Template Haskell splice function, used like @$(isLT "my str %{expr}")@
+-- Template Haskell splice function, used like @$(isL "my str #{expr}")@
 -- 
 -- converts all expressions to 'L.Text' by calling 'showL' on the result.
 isL :: String -> Q Exp
@@ -62,7 +63,7 @@
 
 -- | __i__nterpolate __q__uoter to __L__azy Text
 --
--- QuasiQuoter, used like @[iLT|my str %{expr}|]@
+-- QuasiQuoter, used like @[iqL|my str #{expr}|]@
 --
 -- converts all expressions to 'L.Text' by calling 'showL' on the result.
 iqL :: QuasiQuoter
diff --git a/test/Spec.hs b/test/Spec.hs
--- a/test/Spec.hs
+++ b/test/Spec.hs
@@ -88,6 +88,8 @@
             $(isS "#{G}") `shouldBe` "showStr"
         it "does not change Text" $
             $(isS "#{\"str\" :: T.Text}") `shouldBe` "str"
+        it "does not change String" $
+            $(isS "#{\"str\" :: String}") `shouldBe` "str"
 
     describe "'isT' interpolation to Text" $ do
         it "calls show on Int" $
@@ -96,6 +98,8 @@
             $(isT "#{G}") `shouldBe` "showT"
         it "does not change Text" $
             $(isT "#{\"str\" :: T.Text}") `shouldBe` "str"
+        it "does not change String" $
+            $(isT "#{\"str\" :: String}") `shouldBe` "str"
 
     describe "'isL' interpolation to lazy Text" $ do
         it "calls show on Int" $
@@ -104,3 +108,5 @@
             $(isL "#{G}") `shouldBe` "showL"
         it "does not change Text" $
             $(isL "#{\"str\" :: T.Text}") `shouldBe` "str"
+        it "does not change String" $
+            $(isL "#{\"str\" :: String}") `shouldBe` "str"