diff -r 7f0e6f8bb8e0 -r 90da47758f85 src/lxplib.h
--- a/src/lxplib.h	Wed Apr 02 20:53:54 2014 +0100
+++ b/src/lxplib.h	Wed Apr 02 20:56:58 2014 +0100
@@ -20,5 +20,6 @@
 #define ProcessingInstructionKey	"ProcessingInstruction"
 #define UnparsedEntityDeclKey		"UnparsedEntityDecl"
 #define StartDoctypeDeclKey		"StartDoctypeDecl"
+#define XmlDeclKey			"XmlDecl"
 
 int luaopen_lxp (lua_State *L);