User-Agent: Googlebot
Disallow: /js/pngfix/pngfix.htc

# http://www.dotnetdotcom.org/ - DotBot does not recognize correctly URL-s in cyrillic and generates 404 errors. It may be because of CMS or Crawler bug?!
User-agent: dotbot
Disallow: /

# Purebot doesn't read robots.txt?
#User-agent: Purebot
#Disallow: /