1 files changed, 8 insertions, 2 deletions
diff --git a/cppbnf.h b/cppbnf.h
index 384e6cf..075156c 100644
--- a/cppbnf.h
+++ b/cppbnf.h
@@ -2,5 +2,11 @@
 
 #include "bnf.h"
 
-BNF GetCppBNFLex();
-BNF GetCppBNFGram();
+namespace CPPBNF {
+
+ BNF GetCppBNFLex();
+ BNF GetCppBNFGram();
+ bool valid(const BNF& bnf);
+ bool validLex(const BNF& bnf);
+
+}