User blog comment:Kirkburn/Syntax highlighting - helping you read and write code/@comment-452-20150410203600/@comment-5288784-20150413144947

Maybe the bug occurs in only some browsers (Chrome in my case). Anyway, browse-searching for anything not visible normally without scrolling horizontally causes the bug for us. The scroll remains in the leftmost position and you need to scrool far to the right to unlock it.