The complexity of markup processors never ceases to give me a headache. I mean, seriously, markup languages are one of those things that look like a decent mix of human-readable and machine-readable when you're writing them, and then quickly turn into a total mess when you try to parse them.
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@arraybolt3 MD doesn't look complicated to parse... interesting.
@golemwire True, Markdown probably is easy enough. It's those pesky XML-like things that are the problem.