Error in WCAG 2.0 A

As we know, WCAG popular, but in the recaptcha created code, there is some please that doesn't suite to it.

in recaptcha/recaptcha/recaptchalib.php, this function "recaptcha_get_html" ( maybe line 106)

in the noscript block, the iframe have to add a title to it, also with the textarea, otherwise, it will take some error in WCAG 2.0 A.

here is an example from line 124 to line 128

';