diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,6 +1,6 @@
 # ChangeLog for shakespeare
 
-### 2.1.3
+### 2.1.4
 
 * [#292](https://github.com/yesodweb/shakespeare/pull/292)
     * Add support for multi-line attributes. An example use of this is [here](https://github.com/yesodweb/shakespeare/issues/291).
diff --git a/Text/Hamlet/Parse.hs b/Text/Hamlet/Parse.hs
--- a/Text/Hamlet/Parse.hs
+++ b/Text/Hamlet/Parse.hs
@@ -283,7 +283,7 @@
     contentReg InContent = (ContentRaw . return) <$> noneOf "#@^\r\n"
     contentReg NotInQuotes = (ContentRaw . return) <$> noneOf "@^#. \t\n\r>"
     contentReg NotInQuotesAttr = (ContentRaw . return) <$> noneOf "@^ \t\n\r>"
-    contentReg InQuotes = (ContentRaw . return) <$> noneOf "#@^\"\n\r"
+    contentReg InQuotes = (ContentRaw . return) <$> noneOf "#@^\""
     tagAttribValue notInQuotes = do
         cr <- (char '"' >> return InQuotes) <|> return notInQuotes
         fst <$> content cr
diff --git a/shakespeare.cabal b/shakespeare.cabal
--- a/shakespeare.cabal
+++ b/shakespeare.cabal
@@ -1,5 +1,5 @@
 name:            shakespeare
-version:         2.1.3
+version:         2.1.4
 license:         MIT
 license-file:    LICENSE
 author:          Michael Snoyman <michael@snoyman.com>
diff --git a/test/Text/HamletSpec.hs b/test/Text/HamletSpec.hs
--- a/test/Text/HamletSpec.hs
+++ b/test/Text/HamletSpec.hs
@@ -500,6 +500,25 @@
         helper "<li ng-repeat=\"addr in msgForm.new.split(/\\\\s/)\">{{addr}}</li>\n"
             [hamlet|<li ng-repeat="addr in msgForm.new.split(/\\s/)">{{addr}}|]
 
+    it "Alpine.js multi-line attribute values #291" $
+        helper "<div x-data=\"{\r\n                        search: '',\r\n\r\n                        items: ['foo', 'bar', 'baz'],\r\n\r\n                        get filteredItems() {\r\n                            return this.items.filter(\r\n                                i => i.startsWith(this.search)\r\n                            )\r\n                        }\r\n                    }\"></div>"
+            [hamlet|
+                $newline never
+                <div
+                    x-data="{
+                        search: '',
+
+                        items: ['foo', 'bar', 'baz'],
+
+                        get filteredItems() {
+                            return this.items.filter(
+                                i => i.startsWith(this.search)
+                            )
+                        }
+                    }"
+                >
+            |]
+
     it "runtime Hamlet with caret interpolation" $ do
         let toInclude render = render (5, [("hello", "world")])
         let renderer x y = pack $ show (x :: Int, y :: [(Text, Text)])