recaptcha plugin by Adrian Schlegel
Uses reCAPTCHA (http://recaptcha.net) for the registration form
Last updated on 2008-06-20. Provides Action.
Compatible with DokuWiki 2007-06-26+.
Similar to captcha.
reCAPTCHA provides captchas with text from scanned books. Apart from protecting your registration form from spammers you help improve the quality of the scanned books. For more information see http://recaptcha.net.
To use the reCAPTCHA service you have to create an account on http://recaptcha.net/