// Do not remove the comment below, so we get merge conflict in
// independent branches. Instead add your own.
-#define LYX_FORMAT_LYX 452 // spitz: support beamer block args
-#define LYX_FORMAT_TEX2LYX 452 // spitz: support beamer block args
+#define LYX_FORMAT_LYX 478 // uwestoehr: mathtools' x***arrow commands
+#define LYX_FORMAT_TEX2LYX 478
#if LYX_FORMAT_TEX2LYX != LYX_FORMAT_LYX
#ifndef _MSC_VER