Sorry if this is the wrong place to post - I've no idea is this is ver 3.6-related or not...
I started my site with 3.6 (I hadn't seen the notice not to) and everything was going lovely until I went into footer.php to have a look at some stuff. I commented out a line to see if the effect would be what I was looking for, updated the file and refreshed the front end. It didn't do what I had in mind, so I un-commented it again and clicked update file, and everything went blank. Same with my front-end, not a thing being displayed. In view source it's the same - there's not getting a single line of html coming to my browser. I've no idea what has caused this, and no idea know how to fix it.
Thanks for any suggestions!