diff --git a/syntax.json b/syntax.json
index a9c29da..d1ed939 100644
--- a/syntax.json
+++ b/syntax.json
@@ -683,5 +683,17 @@
         }
       }
     ]
+  },
+  {
+    "language": "XML",
+    "markers": [
+      {
+        "type": "block",
+        "pattern": {
+          "start": "<!--",
+          "end": "-->"
+        }
+      }
+    ]
   }
-]
+]
\ No newline at end of file
diff --git a/tests/test_closed.diff b/tests/test_closed.diff
index d3fafd8..d3bfd01 100644
--- a/tests/test_closed.diff
+++ b/tests/test_closed.diff
@@ -323,3 +323,15 @@ index a6c6cb0..25d195f 100644
 -  */
    sum = a: b: a + b;
  }
+diff --git a/tests/example.xaml b/tests/example.xaml
+new file mode 100644
+index 0000000..a6c6cb0
+--- /dev/null
++++ b/tests/example.xaml
+@@ -1,4 +1,2 @@
+-<!-- TODO: Add xaml support -->
+-<Label Text="why"/>
+-<!-- TODO: please -->
+-<Label Text="ok"/>
+<Label Text="There you go"/>
+<Label Text="Thank you"/>
diff --git a/tests/test_new.diff b/tests/test_new.diff
index daa40a0..292ae36 100644
--- a/tests/test_new.diff
+++ b/tests/test_new.diff
@@ -348,3 +348,13 @@ index 0000000..a6c6cb0
 +  */
 +  sum = a: b: a + b;
 +}
+diff --git a/tests/example.xaml b/tests/example.xaml
+new file mode 100644
+index 0000000..a6c6cb0
+--- /dev/null
++++ b/tests/example.xaml
+@@ -0,0 +1,4 @@
++<!-- TODO: Add xaml support -->
++<Label Text="why"/>
++<!-- TODO: please -->
++<Label Text="ok"/>
\ No newline at end of file
diff --git a/tests/test_todo_parser.py b/tests/test_todo_parser.py
index ff04620..b811be2 100644
--- a/tests/test_todo_parser.py
+++ b/tests/test_todo_parser.py
@@ -1,6 +1,7 @@
+import json
 import os
 import unittest
-import json
+
 from main import TodoParser
 
 
@@ -82,6 +83,9 @@ class NewIssueTests(unittest.TestCase):
     def test_nix_issues(self):
         self.assertEqual(count_issues_for_file_type(self.raw_issues, 'nix'), 2)
 
+    def test_xaml_issues(self):
+        self.assertEqual(count_issues_for_file_type(self.raw_issues, 'xml'), 2)
+
 class ClosedIssueTests(unittest.TestCase):
     # Check for removed TODOs across the files specified.
     def setUp(self):
@@ -151,7 +155,9 @@ class ClosedIssueTests(unittest.TestCase):
 
     def test_nix_issues(self):
         self.assertEqual(count_issues_for_file_type(self.raw_issues, 'nix'), 2)
-
+        
+    def test_xaml_issues(self):
+        self.assertEqual(count_issues_for_file_type(self.raw_issues, 'xml'), 2)
 
 class IgnorePatternTests(unittest.TestCase):