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Alex Rivera
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Reading some related questions made me think about the theoretical nature of HTML. I'm not talking about XHTML-like code here. I'm talking about stuff like this crazy piece of markup, which is perfectly valid HTML(!) <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html<head> <title// <p ltr<span id=p></span</p> </> So given the enormous complexity that SGML injects here, is HTML a context-free language? Is it a formal language anyway? With a grammar? What about HTML5? I'm new to the concept of formal languages, so please bear with me. And yes, I have read the wikipedia article ;)
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