-/* Extract a dentry if it hasn't already been extracted, and either the dentry
- * has no streams or WIMLIB_EXTRACT_FLAG_NO_STREAMS is not specified. */
+/* Extract a dentry if it hasn't already been extracted and either
+ * WIMLIB_EXTRACT_FLAG_NO_STREAMS is not specified, or the dentry is a directory
+ * and/or has no unnamed stream. */