diff --git a/Readme.md b/Readme.md
index 291abaa..c0ee885 100644
--- a/Readme.md
+++ b/Readme.md
@@ -18,21 +18,20 @@
 - add url of source/inspiration to clib/*.cpp
 - add instrumentation (time, nr of evals, num of atoms, debug info, debug environment etc)
 #### Language
-- support for (), nil, t, in lsp code replace 0 by nil in logicals
+- support for "t" symbol as a true 
 - file functions
   - open file
   - read line
   - write line
   - close file
 - string functions
-    - itok - integer to char, chartoint (better names) - mini printf can be useed for it (%d) 
+    - char to int - ktoi (better names) - maybe mini printf can be useed for it (%d (one_char_string)) 
     - compare - needed for sorting, cmp ignore case
     - regexp functions    
 - date support
   - decode-universal-time
 - env functions 
   - get-env, set-env; set-env cannot be implemented in stdlib.lsp, because popen is in fact subshell
-- format (sprintf)
 - add include-stdlib function for other libs in stdlib dir (during startup stdlib.lsp is loaded only)
 - syntax highlighting do VS Code
 - add hash datatype
diff --git a/debug.lsp b/debug.lsp
index 48ca4e5..309735a 100644
--- a/debug.lsp
+++ b/debug.lsp
@@ -1,8 +1,4 @@
 
-;; (benchmark "benchmark makelist 1000 : " (make-list 1000))
-;; (benchmark "benchmark range 1000 : " (range 1 1000))
-
-
 ;https://github.com/anthay/Lisp90/blob/master/lisp90.cpp
 ;http://howtowriteaprogram.blogspot.com/2010/11/lisp-interpreter-in-90-lines-of-c.html
 
@@ -27,17 +23,8 @@
 
 ;; (define first_tid (thread-create (while 1 (do (thread-under-lock "ilock" (print 1)) (thread-sleep 50)))))
 ;; (define second_tid (thread-create (while 1 (do (thread-under-lock "ilock" (print 2)) (thread-sleep 75)))))
-
 ;; (print "first thread id:" first_tid)
 ;; (print "second thread id:" second_tid)
-
-
 ;; (threads-join)
 ;; (print "ok")
 
-
-;; (define av (read-url "https://www.alphavantage.co/query?function=EARNINGS&symbol=WFC&apikey=LJ4XGQ7BQIL925RF"))
-;; (if (= (first av) 200)
-;;     (do
-;;         (define json (parse-json (second av)))
-;;     ))