For some reason when I click Reply w/ Quote, the front page appears in my text box, and I can't delete it. It's such a weird bug that just happens randomly but also fixes itself randomly if I re-enter the forum thread.
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Edit: It's no longer just w/ Quote. It's now reply and quick reply, too.
Here's a picture!
Link form, if this looks too weird to process correctly in the box: http://i.imgur.com/xI8CmhI.png