One thing that I've noticed is that whenever I used -- in a post, such as this one, WordPress converted the -- to &emdash; which whilst very pretty doesn't work so well for people trying to understand command line switches to ./configure!
Today, I finally got around to poking into the WP source code to work out what was happening and I tracked it down to the wptexturize function in the wp-includes/functions-formatting.php file. Once I knew the name, it was trivial to google for a solution and I found Jason Litka's Disable wptexturize plugin. I couldn't find it through WordPress' new built-in plugin installer, so I installed it the old-fashioned way and now the code in my posts will make more sense!
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