Repro: #374

Author: NullVoxPopuli

tests/cases/gts/issue-374.gts

@@ -0,0 +1,11 @@
+import pageTitle from 'ember-page-title/helpers/page-title';
+
+<template>
+  {{pageTitle "TestAppPrettierCharacter"}}
+
+  <h2 id="title">Welcome to Ember</h2>
+
+  {{outlet}}
+
+  …
+</template> satisfies unknown;