diff --git a/autotests/folding/highlight.kconfig.fold b/autotests/folding/highlight.kconfig.fold
new file mode 100644
--- /dev/null
+++ b/autotests/folding/highlight.kconfig.fold
@@ -0,0 +1,2 @@
+# next line caused hang, see https://phabricator.kde.org/D18509
+menu
diff --git a/autotests/html/highlight.kconfig.html b/autotests/html/highlight.kconfig.html
new file mode 100644
--- /dev/null
+++ b/autotests/html/highlight.kconfig.html
@@ -0,0 +1,9 @@
+
+
+
+highlight.kconfig
+
+
+# next line caused hang, see https://phabricator.kde.org/D18509
+menu
+
diff --git a/autotests/input/highlight.kconfig b/autotests/input/highlight.kconfig
new file mode 100644
--- /dev/null
+++ b/autotests/input/highlight.kconfig
@@ -0,0 +1,2 @@
+# next line caused hang, see https://phabricator.kde.org/D18509
+menu
diff --git a/autotests/input/highlight.kconfig.syntax b/autotests/input/highlight.kconfig.syntax
new file mode 100644
--- /dev/null
+++ b/autotests/input/highlight.kconfig.syntax
@@ -0,0 +1 @@
+Kconfig
diff --git a/autotests/reference/highlight.kconfig.ref b/autotests/reference/highlight.kconfig.ref
new file mode 100644
--- /dev/null
+++ b/autotests/reference/highlight.kconfig.ref
@@ -0,0 +1,2 @@
+# next line caused hang, see https://phabricator.kde.org/D18509
+menu
diff --git a/data/syntax/kconfig.xml b/data/syntax/kconfig.xml
--- a/data/syntax/kconfig.xml
+++ b/data/syntax/kconfig.xml
@@ -68,7 +68,7 @@
-->
-
+
@@ -235,7 +235,7 @@
-
+
@@ -360,7 +360,7 @@
-
+