This is a good one. I filed a bug 
http://bugzilla.qooxdoo.org/show_bug.cgi?id=1027 . Some basic fix has 
been applied, in both trunk and legacy_0_7_x (r14263).

If you are sticking with 0.7.3, you might want to draw the version from 
legacy_0_7_x into your own code (it's short).

Thomas
> Hi again :)
>
> I have problem with qx.io.Json.parse()
>
> qx.io.Json.parse('{"result": {"files": [["AUTOEXEC.BAT", 0, 
> "source\/batch", "", ""], ["boot.ini", 250, "document\/ini", "", ""], 
> ["Bootfont.bin", 4952, "", "", ""], ["bootsect.lnx", 512, "", "", ""], 
> ["CONFIG.SYS", 0, "windows\/system-file", "", ""], ["IO.SYS", 0, 
> "windows\/system-file", "", ""], ["MSDOS.SYS", 0, 
> "windows\/system-file", "", ""], ["NTDETECT.COM 
> <http://NTDETECT.COM>", 47564, "windows\/executable", "", ""], 
> ["ntldr", 250048, "", "", ""]], "dirs": ["..", "cygwin", "Documents 
> and Settings", "Download", "Games", "MSOCache", "My", "Program Files", 
> "RECYCLER", "School", "Shared", "System Volume Information", "Upload", 
> "WINDOWS"], "path": "\/"}}');
>
> This JSON string was generated by python simplejson package and I 
> thing that's correct. If I use eval, everything is ok.
>
> Where is the problem ?
>
> NOTE: qooxdoo version 0.7.3, firefox3, ie7
>
> Error: Could not parse JSON string!
>
> Source code of parse()
>
>     /**
>      * Parse a JSON text, producing a JavaScript value.
>      * It returns false if there is a syntax error.
>      *
>      * @type static
>      * @param text {String} JSON string
>      * @return {Object} Returns the object
>      * @throws an error if the text could not be parsed or evaluated
>      */
>     parse : function(text)
>     {
>       // here is something wrong ?
>       if (!(/[^,:{}\[\]0-9.\-+Eaeflnr-u 
> \n\r\t]/.test(text.replace(/"(\\.|[^"\\])*"/g, "")))) {
>         throw new Error("Could not parse JSON string!");
>       }
>
>       try {
>         return eval("(" + text + ")");
>       } catch(ex) {
>         throw new Error("Could not evaluate JSON string: " + ex.message);
>       }
>     },
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