Unquotable posts on Firefox
Try quoting this post.
It doesn't even show it's loading; as far as the network traffic shows, it isn't. As a bonus, it disables the reply button so you have to start a new post.
This is on Firefox. Chromium quotes sucessfully. I haven't tried other browsers.
Incidentally, the same thing happens in all YouTube-only (ie, no text) posts in Song of The Day. Possibly elsewhere too.
The offending line 236 is somewhere in this file.
god damn there need to be source maps
EDIT: Wait, the last function in the stack has a name. It's in this file.