diff --git a/demo/buildup.dee b/demo/buildup.dee
index d98ba0d..0dae04d 100644
--- a/demo/buildup.dee
+++ b/demo/buildup.dee
@@ -28,3 +28,4 @@ i <- 1
 loop until i > 10
      print(i)
      i <- 1
+## Loops
diff --git a/peg.txt b/peg.txt
deleted file mode 100644
index 3835a24..0000000
--- a/peg.txt
+++ /dev/null
@@ -1,54 +0,0 @@
-program		:= __* stmt*
-
-stmt		:= assignment /
-		   funcall stop /
-		   conditional /
-		   loop / 
-		   expr stop
-		   
-expr		:= - _ expr /
- 		   expr "+" _ expr /
-		   expr "-" - expr /
-		   expr "*" _ expr /
-		   expr "/" _ expr /
-		   "(" _ expr ")" /
-		   ['"'] ((!['"'] [_] / #"\""#)*) ['"'] /
-		   funcall /
-		   fundef /
-		   boolean /
-		   id /
-		   num
-		
-boolean		:= ("true" / "false") _
-id		:= letter (letter / digit / ['?'|'.'|'-'])* _
-num		:= (digit+ "."? digit* / "." digit+) _
-
-assignment	:= id "<-" _ expr stop
-funcall		:= id "(" _ expr ** ("," _) ")" _
-funcdef		:= id? "->" _ block
-
-conditional	:= if __* elif* __* else? __*
-if		:= "if" _ expr block
-elif		:= "elif" _ expr block
-else		:= "else" _ block
-
-loop		:= "loop" _ (until / over / block)
-until 		:= "until" _ expr block
-over		:= "over"_ id "in" _ expr block
-
-block		:= expr / indented_block
-indented_block	:= stop indent __* stmt+ dedent
-
-letter		:= ['A'..='Z'] / ['a'..='z']
-digit		:= ['0'..='9']
-
-stop		:= __+ / eof
-indent		:= ">>>"
-dedent		:= "<<<"
-
-_		:= ['\t'|' ']*
-__		:= comment? newline / comment &eof
-comment		:= "#" (!newline [_])* &(newline / eof)
-newline		:= "\r\n" \ "\r" \ "\n"
-
-eof		:= ![_]