1 files changed, 18 insertions, 0 deletions
diff --git a/layout/base/nsCompatibility.h b/layout/base/nsCompatibility.h
new file mode 100644
index 0000000000..eeb061ac11
--- /dev/null
+++ b/layout/base/nsCompatibility.h
@@ -0,0 +1,18 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+/* constants for quirks mode, standards mode, and almost standards mode */
+
+#ifndef nsCompatibility_h___
+#define nsCompatibility_h___
+
+enum nsCompatibility {
+  eCompatibility_FullStandards = 1,
+  eCompatibility_AlmostStandards = 2,
+  eCompatibility_NavQuirks = 3
+};
+
+#endif /* nsCompatibility_h___ */