It's not clear to me if those are due to shortcomings in WebKit, the site, or if it's to be "bug-compatible" with anything else. Either way, 1,600 lines of code

It's not clear to me if those are due to shortcomings in WebKit, the site, or if it's to be "bug-compatible" with anything else. Either way, 1,600 lines of code doesn't seem a lot to me.