diff --git a/uahgi-ng/expander.rkt b/uahgi-ng/expander.rkt
index 25a7b19..5d44ddf 100644
--- a/uahgi-ng/expander.rkt
+++ b/uahgi-ng/expander.rkt
@@ -1,3 +1,42 @@
+
 (module uahgi-ng racket/base
-    (provide lambda quote add1 begin #%module-begin #%app #%datum #%expression #%top)
+    (require racket/dict)
+    (define main-config (make-hash
+                         '(["paper-width". 2480]
+                           ["paper-height". 3508]
+                           ["font-family" . "FreeSerif"]
+                           ["font-family-CJK" . "Noto Sans CJK TC"]
+                           ["font-size" . 14]
+                           ["font-weight" . "regular"]
+                           ["font-style" . "normal"]
+                           
+                           )))
+  (define main-frame (make-hash
+                      '(["id" . 1]
+                        ["font-family" . (dict-ref main-config "font-family")]
+                        ["class" . frame]
+                        ["width" . 2000]
+                        ["height" . 3000]
+                        ["x" . 200]
+                        ["y" . 250]
+                        ["content" . #f])))
+
+    (define (set-main-config attr val)
+      (dict-set! main-config attr val))
+  
+  (define (main-text txt)
+    (dict-set! main-frame "content" txt))
+
+  (define-syntax text-series
+    (syntax-rules ()
+        [(_ x ...)
+         ; delete the beginning newline
+         (if (eq? (caar `(x ...)) "\n")
+          `('text ,(cdar `(x ...)))
+         `('text ,(caar `(x ...)) ,(cdar `(x ...)))))]))
+  
+    (provide text-series main-text main-frame main-config set-main-config set!
+             (all-from-out racket/base) (all-from-out racket/dict)
+             #%module-begin #%app #%datum #%expression #%top)
+     
   )
diff --git a/uahgi-ng/lexer.rkt b/uahgi-ng/lexer.rkt
index 5cf2bce..e8fd2f9 100644
--- a/uahgi-ng/lexer.rkt
+++ b/uahgi-ng/lexer.rkt
@@ -9,7 +9,7 @@
 
 
 (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 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
diff --git a/uahgi-ng/parser.rkt b/uahgi-ng/parser.rkt
index d9d3e1a..669db41 100644
--- a/uahgi-ng/parser.rkt
+++ b/uahgi-ng/parser.rkt
@@ -31,8 +31,8 @@
 
 
 (define sexp-elem/p
-  (delay/p (or/p expr/p
-        series/p)))
+  (delay/p (or/p (try/p series/p)
+        expr/p)))
 
 
 (define sexp/p
@@ -47,11 +47,6 @@
         converting-num/p
         sexp/p))
 
-
-
-
-
-
 (define series-elem/p
   (or/p newline/p
         num/p
@@ -63,12 +58,6 @@
   (do [args <- (many/p series-elem/p #:min 2)]
     (pure (list 'text-series args))))
 
-
-
-
-
-
-
 (define prog/p
   (syntax/p
      (do
diff --git a/uahgi-ng/test1.ug b/uahgi-ng/test1.ug
new file mode 100644
index 0000000..9363ced
--- /dev/null
+++ b/uahgi-ng/test1.ug
@@ -0,0 +1,8 @@
+#lang uahgi-ng
+{@display|`10.3}
+{@dict?|@main-config}
+{@set-main-config|paper-width|`2480}
+{@display|{@dict-ref|@main-config|paper-width}}
+{@main-text|
+天地人123我為貓}
+{@display|@main-frame}
\ No newline at end of file