diff --git a/uahgi-ng/a.txt b/uahgi-ng/a.txt
new file mode 100644
index 0000000..095de78
--- /dev/null
+++ b/uahgi-ng/a.txt
@@ -0,0 +1,679 @@
+0	g1038660	=	(g1038661)
+1	g1038661	=	(u-program EOF)
+2	u-program	=	()
+3	u-program	=	(u-expr u-program)
+4	u-expr	=	(u-series)
+5	u-expr	=	(u-atom)
+6	u-expr	=	(u-converting-num)
+7	u-expr	=	(L_PAREN u-sexps R_PAREN)
+8	u-sexps	=	()
+9	u-sexps	=	(u-expr u-sexps)
+10	u-series-unit	=	(ID)
+11	u-series-unit	=	(u-string)
+12	u-series-unit	=	(NUM)
+13	u-series-unit	=	(L_PAREN u-sexps R_PAREN)
+14	u-series-unit	=	(newlines)
+15	u-series	=	()
+16	u-series	=	(u-series-unit u-series)
+17	u-converting-num	=	(NUM_CONVERTER ID)
+18	u-converting-num	=	(NUM_CONVERTER NUM)
+19	u-atom	=	(ID)
+20	u-atom	=	(u-string)
+21	u-atom	=	(NUM)
+22	u-atom	=	(newlines)
+23	u-string	=	(CHAR)
+24	u-string	=	(u-string CHAR)
+25	newlines	=	(NEWLINE)
+26	newlines	=	(NEWLINE newlines)
+State 0
+	g1038660 -> . g1038661 
+
+begin conflict:
+	NEWLINE					shift	15
+	NEWLINE					reduce	15
+end conflict
+	g1038661					goto	1
+	u-atom					goto	7
+begin conflict:
+	CHAR					shift	12
+	CHAR					reduce	15
+end conflict
+	u-converting-num					goto	6
+begin conflict:
+	EOF					reduce	15
+	EOF					reduce	2
+end conflict
+	u-string					goto	8
+	u-program					goto	2
+	u-series-unit					goto	4
+	u-expr					goto	3
+	newlines					goto	9
+	u-series					goto	5
+begin conflict:
+	NUM					shift	14
+	NUM					reduce	15
+end conflict
+begin conflict:
+	ID					shift	13
+	ID					reduce	15
+end conflict
+begin conflict:
+	L_PAREN					shift	10
+	L_PAREN					reduce	15
+end conflict
+begin conflict:
+	NUM_CONVERTER					shift	11
+	NUM_CONVERTER					reduce	15
+end conflict
+
+State 1
+	g1038660 -> g1038661 . 
+
+
+State 2
+	g1038661 -> u-program . EOF 
+
+	EOF					accept	
+
+State 3
+	u-program -> u-expr . u-program 
+
+begin conflict:
+	NEWLINE					shift	15
+	NEWLINE					reduce	15
+end conflict
+	u-atom					goto	7
+begin conflict:
+	CHAR					shift	12
+	CHAR					reduce	15
+end conflict
+	u-converting-num					goto	6
+begin conflict:
+	EOF					reduce	15
+	EOF					reduce	2
+end conflict
+	u-string					goto	8
+	u-program					goto	17
+	u-series-unit					goto	4
+	u-expr					goto	3
+	newlines					goto	9
+	u-series					goto	5
+begin conflict:
+	NUM					shift	14
+	NUM					reduce	15
+end conflict
+begin conflict:
+	ID					shift	13
+	ID					reduce	15
+end conflict
+begin conflict:
+	L_PAREN					shift	10
+	L_PAREN					reduce	15
+end conflict
+begin conflict:
+	NUM_CONVERTER					shift	11
+	NUM_CONVERTER					reduce	15
+end conflict
+
+State 4
+	u-series -> u-series-unit . u-series 
+
+begin conflict:
+	NEWLINE					shift	15
+	NEWLINE					reduce	15
+end conflict
+begin conflict:
+	CHAR					shift	12
+	CHAR					reduce	15
+end conflict
+	R_PAREN					reduce	15
+	EOF					reduce	15
+	u-string					goto	19
+	u-series-unit					goto	4
+	newlines					goto	20
+	u-series					goto	18
+begin conflict:
+	NUM					shift	23
+	NUM					reduce	15
+end conflict
+begin conflict:
+	ID					shift	22
+	ID					reduce	15
+end conflict
+begin conflict:
+	L_PAREN					shift	21
+	L_PAREN					reduce	15
+end conflict
+	NUM_CONVERTER					reduce	15
+
+State 5
+	u-expr -> u-series . 
+
+	EOF					reduce	4
+	NEWLINE					reduce	4
+	CHAR					reduce	4
+	NUM					reduce	4
+	R_PAREN					reduce	4
+	L_PAREN					reduce	4
+	ID					reduce	4
+	NUM_CONVERTER					reduce	4
+
+State 6
+	u-expr -> u-converting-num . 
+
+	EOF					reduce	6
+	NEWLINE					reduce	6
+	CHAR					reduce	6
+	NUM					reduce	6
+	R_PAREN					reduce	6
+	L_PAREN					reduce	6
+	ID					reduce	6
+	NUM_CONVERTER					reduce	6
+
+State 7
+	u-expr -> u-atom . 
+
+	EOF					reduce	5
+	NEWLINE					reduce	5
+	CHAR					reduce	5
+	NUM					reduce	5
+	R_PAREN					reduce	5
+	L_PAREN					reduce	5
+	ID					reduce	5
+	NUM_CONVERTER					reduce	5
+
+State 8
+	u-series-unit -> u-string . 
+	u-atom -> u-string . 
+	u-string -> u-string . CHAR 
+
+begin conflict:
+	EOF					reduce	11
+	EOF					reduce	20
+end conflict
+begin conflict:
+	NEWLINE					reduce	11
+	NEWLINE					reduce	20
+end conflict
+begin conflict:
+	CHAR					shift	24
+	CHAR					reduce	11
+	CHAR					reduce	20
+end conflict
+begin conflict:
+	NUM					reduce	11
+	NUM					reduce	20
+end conflict
+begin conflict:
+	R_PAREN					reduce	11
+	R_PAREN					reduce	20
+end conflict
+begin conflict:
+	L_PAREN					reduce	11
+	L_PAREN					reduce	20
+end conflict
+begin conflict:
+	ID					reduce	11
+	ID					reduce	20
+end conflict
+begin conflict:
+	NUM_CONVERTER					reduce	11
+	NUM_CONVERTER					reduce	20
+end conflict
+
+State 9
+	u-series-unit -> newlines . 
+	u-atom -> newlines . 
+
+begin conflict:
+	EOF					reduce	14
+	EOF					reduce	22
+end conflict
+begin conflict:
+	NEWLINE					reduce	14
+	NEWLINE					reduce	22
+end conflict
+begin conflict:
+	CHAR					reduce	14
+	CHAR					reduce	22
+end conflict
+begin conflict:
+	NUM					reduce	14
+	NUM					reduce	22
+end conflict
+begin conflict:
+	R_PAREN					reduce	14
+	R_PAREN					reduce	22
+end conflict
+begin conflict:
+	L_PAREN					reduce	14
+	L_PAREN					reduce	22
+end conflict
+begin conflict:
+	ID					reduce	14
+	ID					reduce	22
+end conflict
+begin conflict:
+	NUM_CONVERTER					reduce	14
+	NUM_CONVERTER					reduce	22
+end conflict
+
+State 10
+	u-expr -> L_PAREN . u-sexps R_PAREN 
+	u-series-unit -> L_PAREN . u-sexps R_PAREN 
+
+begin conflict:
+	NEWLINE					shift	15
+	NEWLINE					reduce	15
+end conflict
+	u-atom					goto	7
+begin conflict:
+	CHAR					shift	12
+	CHAR					reduce	15
+end conflict
+begin conflict:
+	R_PAREN					reduce	15
+	R_PAREN					reduce	8
+end conflict
+	u-sexps					goto	26
+	u-converting-num					goto	6
+	u-string					goto	8
+	u-series-unit					goto	4
+	u-expr					goto	25
+	newlines					goto	9
+	u-series					goto	5
+begin conflict:
+	NUM					shift	14
+	NUM					reduce	15
+end conflict
+begin conflict:
+	ID					shift	13
+	ID					reduce	15
+end conflict
+begin conflict:
+	L_PAREN					shift	10
+	L_PAREN					reduce	15
+end conflict
+begin conflict:
+	NUM_CONVERTER					shift	11
+	NUM_CONVERTER					reduce	15
+end conflict
+
+State 11
+	u-converting-num -> NUM_CONVERTER . ID 
+	u-converting-num -> NUM_CONVERTER . NUM 
+
+	NUM					shift	28
+	ID					shift	27
+
+State 12
+	u-string -> CHAR . 
+
+	EOF					reduce	23
+	NEWLINE					reduce	23
+	CHAR					reduce	23
+	NUM					reduce	23
+	R_PAREN					reduce	23
+	L_PAREN					reduce	23
+	ID					reduce	23
+	NUM_CONVERTER					reduce	23
+
+State 13
+	u-series-unit -> ID . 
+	u-atom -> ID . 
+
+begin conflict:
+	EOF					reduce	10
+	EOF					reduce	19
+end conflict
+begin conflict:
+	NEWLINE					reduce	10
+	NEWLINE					reduce	19
+end conflict
+begin conflict:
+	CHAR					reduce	10
+	CHAR					reduce	19
+end conflict
+begin conflict:
+	NUM					reduce	10
+	NUM					reduce	19
+end conflict
+begin conflict:
+	R_PAREN					reduce	10
+	R_PAREN					reduce	19
+end conflict
+begin conflict:
+	L_PAREN					reduce	10
+	L_PAREN					reduce	19
+end conflict
+begin conflict:
+	ID					reduce	10
+	ID					reduce	19
+end conflict
+begin conflict:
+	NUM_CONVERTER					reduce	10
+	NUM_CONVERTER					reduce	19
+end conflict
+
+State 14
+	u-series-unit -> NUM . 
+	u-atom -> NUM . 
+
+begin conflict:
+	EOF					reduce	12
+	EOF					reduce	21
+end conflict
+begin conflict:
+	NEWLINE					reduce	12
+	NEWLINE					reduce	21
+end conflict
+begin conflict:
+	CHAR					reduce	12
+	CHAR					reduce	21
+end conflict
+begin conflict:
+	NUM					reduce	12
+	NUM					reduce	21
+end conflict
+begin conflict:
+	R_PAREN					reduce	12
+	R_PAREN					reduce	21
+end conflict
+begin conflict:
+	L_PAREN					reduce	12
+	L_PAREN					reduce	21
+end conflict
+begin conflict:
+	ID					reduce	12
+	ID					reduce	21
+end conflict
+begin conflict:
+	NUM_CONVERTER					reduce	12
+	NUM_CONVERTER					reduce	21
+end conflict
+
+State 15
+	newlines -> NEWLINE . 
+	newlines -> NEWLINE . newlines 
+
+begin conflict:
+	NEWLINE					shift	15
+	NEWLINE					reduce	25
+end conflict
+	CHAR					reduce	25
+	R_PAREN					reduce	25
+	EOF					reduce	25
+	NUM					reduce	25
+	newlines					goto	29
+	ID					reduce	25
+	L_PAREN					reduce	25
+	NUM_CONVERTER					reduce	25
+
+State 16
+	g1038661 -> u-program EOF . 
+
+
+State 17
+	u-program -> u-expr u-program . 
+
+	EOF					reduce	3
+
+State 18
+	u-series -> u-series-unit u-series . 
+
+	EOF					reduce	16
+	NEWLINE					reduce	16
+	CHAR					reduce	16
+	NUM					reduce	16
+	R_PAREN					reduce	16
+	L_PAREN					reduce	16
+	ID					reduce	16
+	NUM_CONVERTER					reduce	16
+
+State 19
+	u-series-unit -> u-string . 
+	u-string -> u-string . CHAR 
+
+	EOF					reduce	11
+	NEWLINE					reduce	11
+begin conflict:
+	CHAR					shift	24
+	CHAR					reduce	11
+end conflict
+	NUM					reduce	11
+	R_PAREN					reduce	11
+	L_PAREN					reduce	11
+	ID					reduce	11
+	NUM_CONVERTER					reduce	11
+
+State 20
+	u-series-unit -> newlines . 
+
+	EOF					reduce	14
+	NEWLINE					reduce	14
+	CHAR					reduce	14
+	NUM					reduce	14
+	R_PAREN					reduce	14
+	L_PAREN					reduce	14
+	ID					reduce	14
+	NUM_CONVERTER					reduce	14
+
+State 21
+	u-series-unit -> L_PAREN . u-sexps R_PAREN 
+
+begin conflict:
+	NEWLINE					shift	15
+	NEWLINE					reduce	15
+end conflict
+	u-atom					goto	7
+begin conflict:
+	CHAR					shift	12
+	CHAR					reduce	15
+end conflict
+begin conflict:
+	R_PAREN					reduce	15
+	R_PAREN					reduce	8
+end conflict
+	u-sexps					goto	30
+	u-converting-num					goto	6
+	u-string					goto	8
+	u-series-unit					goto	4
+	u-expr					goto	25
+	newlines					goto	9
+	u-series					goto	5
+begin conflict:
+	NUM					shift	14
+	NUM					reduce	15
+end conflict
+begin conflict:
+	ID					shift	13
+	ID					reduce	15
+end conflict
+begin conflict:
+	L_PAREN					shift	10
+	L_PAREN					reduce	15
+end conflict
+begin conflict:
+	NUM_CONVERTER					shift	11
+	NUM_CONVERTER					reduce	15
+end conflict
+
+State 22
+	u-series-unit -> ID . 
+
+	EOF					reduce	10
+	NEWLINE					reduce	10
+	CHAR					reduce	10
+	NUM					reduce	10
+	R_PAREN					reduce	10
+	L_PAREN					reduce	10
+	ID					reduce	10
+	NUM_CONVERTER					reduce	10
+
+State 23
+	u-series-unit -> NUM . 
+
+	EOF					reduce	12
+	NEWLINE					reduce	12
+	CHAR					reduce	12
+	NUM					reduce	12
+	R_PAREN					reduce	12
+	L_PAREN					reduce	12
+	ID					reduce	12
+	NUM_CONVERTER					reduce	12
+
+State 24
+	u-string -> u-string CHAR . 
+
+	EOF					reduce	24
+	NEWLINE					reduce	24
+	CHAR					reduce	24
+	NUM					reduce	24
+	R_PAREN					reduce	24
+	L_PAREN					reduce	24
+	ID					reduce	24
+	NUM_CONVERTER					reduce	24
+
+State 25
+	u-sexps -> u-expr . u-sexps 
+
+begin conflict:
+	NEWLINE					shift	15
+	NEWLINE					reduce	15
+end conflict
+	u-atom					goto	7
+begin conflict:
+	CHAR					shift	12
+	CHAR					reduce	15
+end conflict
+begin conflict:
+	R_PAREN					reduce	15
+	R_PAREN					reduce	8
+end conflict
+	u-sexps					goto	31
+	u-converting-num					goto	6
+	u-string					goto	8
+	u-series-unit					goto	4
+	u-expr					goto	25
+	newlines					goto	9
+	u-series					goto	5
+begin conflict:
+	NUM					shift	14
+	NUM					reduce	15
+end conflict
+begin conflict:
+	ID					shift	13
+	ID					reduce	15
+end conflict
+begin conflict:
+	L_PAREN					shift	10
+	L_PAREN					reduce	15
+end conflict
+begin conflict:
+	NUM_CONVERTER					shift	11
+	NUM_CONVERTER					reduce	15
+end conflict
+
+State 26
+	u-expr -> L_PAREN u-sexps . R_PAREN 
+	u-series-unit -> L_PAREN u-sexps . R_PAREN 
+
+	R_PAREN					shift	32
+
+State 27
+	u-converting-num -> NUM_CONVERTER ID . 
+
+	EOF					reduce	17
+	NEWLINE					reduce	17
+	CHAR					reduce	17
+	NUM					reduce	17
+	R_PAREN					reduce	17
+	L_PAREN					reduce	17
+	ID					reduce	17
+	NUM_CONVERTER					reduce	17
+
+State 28
+	u-converting-num -> NUM_CONVERTER NUM . 
+
+	EOF					reduce	18
+	NEWLINE					reduce	18
+	CHAR					reduce	18
+	NUM					reduce	18
+	R_PAREN					reduce	18
+	L_PAREN					reduce	18
+	ID					reduce	18
+	NUM_CONVERTER					reduce	18
+
+State 29
+	newlines -> NEWLINE newlines . 
+
+	EOF					reduce	26
+	NEWLINE					reduce	26
+	CHAR					reduce	26
+	NUM					reduce	26
+	R_PAREN					reduce	26
+	L_PAREN					reduce	26
+	ID					reduce	26
+	NUM_CONVERTER					reduce	26
+
+State 30
+	u-series-unit -> L_PAREN u-sexps . R_PAREN 
+
+	R_PAREN					shift	33
+
+State 31
+	u-sexps -> u-expr u-sexps . 
+
+	R_PAREN					reduce	9
+
+State 32
+	u-expr -> L_PAREN u-sexps R_PAREN . 
+	u-series-unit -> L_PAREN u-sexps R_PAREN . 
+
+begin conflict:
+	EOF					reduce	7
+	EOF					reduce	13
+end conflict
+begin conflict:
+	NEWLINE					reduce	7
+	NEWLINE					reduce	13
+end conflict
+begin conflict:
+	CHAR					reduce	7
+	CHAR					reduce	13
+end conflict
+begin conflict:
+	NUM					reduce	7
+	NUM					reduce	13
+end conflict
+begin conflict:
+	R_PAREN					reduce	7
+	R_PAREN					reduce	13
+end conflict
+begin conflict:
+	L_PAREN					reduce	7
+	L_PAREN					reduce	13
+end conflict
+begin conflict:
+	ID					reduce	7
+	ID					reduce	13
+end conflict
+begin conflict:
+	NUM_CONVERTER					reduce	7
+	NUM_CONVERTER					reduce	13
+end conflict
+
+State 33
+	u-series-unit -> L_PAREN u-sexps R_PAREN . 
+
+	EOF					reduce	13
+	NEWLINE					reduce	13
+	CHAR					reduce	13
+	NUM					reduce	13
+	R_PAREN					reduce	13
+	L_PAREN					reduce	13
+	ID					reduce	13
+	NUM_CONVERTER					reduce	13
+
+38 shift/reduce conflicts
+45 reduce/reduce conflicts
diff --git a/uahgi-ng/expander.rkt b/uahgi-ng/expander.rkt
new file mode 100644
index 0000000..25a7b19
--- /dev/null
+++ b/uahgi-ng/expander.rkt
@@ -0,0 +1,3 @@
+(module uahgi-ng racket/base
+    (provide lambda quote add1 begin #%module-begin #%app #%datum #%expression #%top)
+  )
diff --git a/uahgi-ng/lexer.rkt b/uahgi-ng/lexer.rkt
new file mode 100644
index 0000000..5cf2bce
--- /dev/null
+++ b/uahgi-ng/lexer.rkt
@@ -0,0 +1,48 @@
+#lang racket
+(require parser-tools/lex)
+(require parser-tools/lex-sre)
+
+
+
+(define-empty-tokens unary-tokens (L_PAREN R_PAREN  NUM_CONVERTER SEPERATOR EOF))
+(define-tokens value-tokens ( CHAR ID NUM NEWLINE))
+
+
+(define-lex-abbrev digits (+ (char-set "0123456789")))
+(define-lex-abbrev raw-id (: (or "_" (/ "a" "z") (/ "A" "Z")) (* (or "_" (/ "0" "9") (/ "a" "z") (/ "A" "Z")))))
+(define-lex-abbrev any-other-char (~ (char-set "0123456789@\\{}%|")))
+
+(define uahgi2-lexer
+ (lexer-src-pos
+   ["\n" (token-NEWLINE lexeme)] ; newline
+   [whitespace (token-CHAR lexeme)] ; whitespace
+   [(: "\\"(char-set "@\\{}%|")) (token-CHAR (substring lexeme
+                      1 (string-length lexeme)))]
+  [(: "@" raw-id) (token-ID (string->symbol(substring lexeme
+                      1 (string-length lexeme))))] ; @id 
+  ["{" (token-L_PAREN)] ; {
+  ["}" (token-R_PAREN)] ; }
+  ["|" (token-SEPERATOR)] ; |  seperator
+  ["`" (token-NUM_CONVERTER)] ; ` convert to number
+   [digits (token-NUM (string->number lexeme))] ;123
+   [(: (? (char-set "-")) digits "." digits) ; 123.456
+    (token-NUM (string->number lexeme))]
+   [ (: "%" (complement (: any-string "%" any-string)) "%") ; %COMMENT%
+    (return-without-pos (uahgi2-lexer input-port))]
+    [(eof) (token-EOF)]
+  [any-other-char (token-CHAR lexeme)] ; any char into char
+)) 
+
+
+
+
+(define (looping-lex str)
+    (define in (open-input-string str))
+    (port-count-lines! in)
+    (let loop ([v (uahgi2-lexer in)])
+      (cond [(void? (position-token-token v)) (loop (uahgi2-lexer in))]
+            [(eq? 'EOF (position-token-token v)) '()]
+            [else (cons v (loop (uahgi2-lexer in)))])))
+
+
+(provide uahgi2-lexer unary-tokens value-tokens looping-lex)
\ No newline at end of file
diff --git a/uahgi-ng/main.rkt b/uahgi-ng/main.rkt
new file mode 100644
index 0000000..da73f2d
--- /dev/null
+++ b/uahgi-ng/main.rkt
@@ -0,0 +1,12 @@
+#lang racket/base
+(require "parser.rkt" "tokenizer.rkt")
+(require syntax/strip-context)
+
+(define (read-syntax path port)
+  (define parse-tree (parse-tkns (make-tokenizer port path)))
+  (strip-context
+   #`(module uahgi-ng-mod uahgi-ng/expander
+       #,parse-tree)))
+
+(module+ reader
+  (provide read-syntax))
\ No newline at end of file
diff --git a/uahgi-ng/parser.rkt b/uahgi-ng/parser.rkt
new file mode 100644
index 0000000..d9d3e1a
--- /dev/null
+++ b/uahgi-ng/parser.rkt
@@ -0,0 +1,86 @@
+#lang racket
+(require megaparsack megaparsack/text)
+(require uahgi-ng/lexer)
+(require megaparsack/parser-tools/lex)
+(require data/monad)
+(require data/applicative)
+
+(define newline/p  (token/p 'NEWLINE))
+(define num/p (do
+      [num <- (token/p 'NUM)]
+      (pure (number->string num))))
+(define char/p  (token/p 'CHAR))
+(define id/p  (token/p 'ID))
+(define num-converter/p  (token/p 'NUM_CONVERTER))
+
+(define string/p
+     (do 
+         [chars <- (many+/p char/p)]
+         (pure (foldr string-append "" chars))))
+
+(define atom/p (or/p
+                num/p
+                string/p
+                id/p))
+
+(define converting-num/p
+  (do
+      (token/p 'NUM_CONVERTER)
+      [num <- num/p]
+      (pure (string->number num))))
+
+
+(define sexp-elem/p
+  (delay/p (or/p expr/p
+        series/p)))
+
+
+(define sexp/p
+     (do
+         (token/p 'L_PAREN)
+         [args <- (many/p sexp-elem/p #:sep (token/p 'SEPERATOR))]
+         (token/p 'R_PAREN)
+         (pure (list* args))))
+
+(define expr/p
+  (or/p atom/p
+        converting-num/p
+        sexp/p))
+
+
+
+
+
+
+(define series-elem/p
+  (or/p newline/p
+        num/p
+        string/p
+        id/p
+        sexp/p))
+
+(define series/p
+  (do [args <- (many/p series-elem/p #:min 2)]
+    (pure (list 'text-series args))))
+
+
+
+
+
+
+
+(define prog/p
+  (syntax/p
+     (do
+         (many/p (token/p 'NEWLINE))
+         [lines <- (many/p expr/p #:sep (many/p(token/p 'NEWLINE)))]
+         (many/p (token/p 'NEWLINE))
+         (pure `(begin ,@lines)))))
+
+(define (parse-tkns tokens)
+  (parse-result! (parse-tokens prog/p tokens)))
+
+(define (parse-string str)
+  (parse-tkns (looping-lex str)))
+
+(provide parse-tkns parse-string)
diff --git a/uahgi-ng/parser.txt b/uahgi-ng/parser.txt
new file mode 100644
index 0000000..1d76f16
--- /dev/null
+++ b/uahgi-ng/parser.txt
@@ -0,0 +1,16 @@
+#lang brag
+u-program: [/NEWLINE+] (u-expr [/NEWLINE+])*
+u-expr:
+     ; u-series ; string series
+      | u-atom
+      | u-converting-num
+      | u-sexp
+u-sexp:
+      /L_PAREN u-expr (/SEPERATOR u-expr)* /R_PAREN
+u-series: (u-atom | u-sexp)+
+~~~u-converting-num: /NUM_CONVERTER (u-id | u-number)
+~~~u-atom: u-id | u-string | u-number | (NEWLINE+)
+~~~u-number: INTEGER | DECIMAL
+u-id: ID
+@u-string: u-char+
+@u-char: CHAR | " "
diff --git a/uahgi-ng/test.ug b/uahgi-ng/test.ug
new file mode 100644
index 0000000..e078251
--- /dev/null
+++ b/uahgi-ng/test.ug
@@ -0,0 +1,2 @@
+#lang uahgi-ng
+{@add1|`3}
\ No newline at end of file
diff --git a/uahgi-ng/tokenizer.rkt b/uahgi-ng/tokenizer.rkt
new file mode 100644
index 0000000..f7e1988
--- /dev/null
+++ b/uahgi-ng/tokenizer.rkt
@@ -0,0 +1,9 @@
+#lang racket/base
+(require "lexer.rkt"  parser-tools/lex racket/port)
+
+(define (make-tokenizer ip [path #f])
+  (port-count-lines! ip)
+  (file-path path)
+  (looping-lex (port->string ip)))
+
+(provide make-tokenizer)
\ No newline at end of file