Missing attribute "for" from ATTR_SECURE white-list

[nfreear]

For peace of mind, I think it would be good to get automated headless testing (#13) working at the same time, possibly with Phantom JS and Buster JS,

• http://blog.knuthaugen.no/2012/09/headless-tests-with-buster-and-phantom/
• http://gotofritz.net/blog/geekery/html-scaffolding-in-buster-dot-js/
• http://simonsmith.io/headless-testing-with-jasmine-phantomjs-and-grunt/
• http://phantomjs.org/headless-testing.html
• http://docs.travis-ci.com/user/gui-and-headless-browsers/

Strangely similar to, #20 "Missing attribute "require" from ATTR_SECURE white-list"!