Disable all automatic highlighting, globally, across all tags.
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You won't see a lot of highlighting at all, since it needs to be manually specified by the author (it's explained in [editing help](http://serverfault.com/editing-help#code), but to really do it right takes a [dig in m.SO](http://meta.stackoverflow.com/a/81970/167585)) - but at least there won't be any highlighting of something that isn't code.