I've updated the robots.txt file in SVN, the updated file will be in the next release.
Contents are below, I suggest everyone using XC SEO apply this changed robots.txt file:
Code:
User-agent: *
Disallow: /cgi-bin/
Disallow: /search.php
Disallow: /cart.php
Disallow: /giftcert.php
Disallow: /orders.php
Disallow: /register.php
Disallow: /icon.php
Disallow: /image.php
Disallow: /error_message.php
Disallow: /offers.php
Disallow: /product_image.php
Disallow: /shop_closed.html