diff --git a/version0.6/ebnf.cpp b/version0.6/ebnf.cpp
new file mode 100644
index 0000000..bb3197e
--- /dev/null
+++ b/version0.6/ebnf.cpp
@@ -0,0 +1,12 @@
+
+<identifier> ::= IDENTIFIER
+<number> ::= NUMBER
+<string> ::= STRING
+<null_list> ::= <[><]>
+<null_hash> ::= <{><}>
+call_func ::= <identifier> <(> <...> <)>
+<list> ::= <[> <...> <]>
+<hash> ::= <{> <...> <}>
+<definition> ::= <var> <identifier> <=> <...> <;>
+<assignment> ::= <identifier> <=> <...> <;>
+<function> ::= <func><(> <...> <)> <{> <...> <}>