diff --git a/web/js_tools.anubis b/web/js_tools.anubis
index d8ba1cb..06ae9be 100644
--- a/web/js_tools.anubis
+++ b/web/js_tools.anubis
@@ -20,9 +20,12 @@ define List(Word8)
     [ ]     then reverse(so_far),
     [h . t] then 
      make_js_string(t, 
-                        if h = '\'' then
-                           [h . ['\\' . so_far]]
-                        else 
+                             if h = '\''  then [ h,  '\\' . so_far]   //single quote
+                        else if h = '\r'  then ['r', '\\' . so_far]   //CR
+                        else if h = '\n'  then ['n', '\\' . so_far]   //LF
+                        else if h = '\t'  then ['t', '\\' . so_far]   //tab
+                        else if h = 0x08  then ['b', '\\' . so_far]   //Backspace 
+                        else
                            [h . so_far]
                    )
   }.
@@ -44,12 +47,12 @@ public define String
     String str
   )
   =
-  "'" + str + "'".
+  "'" + make_js_string(str) + "'".
   
 public define String
   format_js_function_call
   (
-  	String name,
-  	List(String) args
+  	String        name,
+  	List(String)  args
   ) =
   name + "(" + concat(args, ",") + ");".
--
libgit2 0.21.4