Question: Given the PL Theory parts of my question (but seeing it also being part of practical compiler design) Im thinking it might be a better match here than there?

<https://stackoverflow.com/questions/3616950/formally-constructing-control-flow-graph>

Answer: 
How do I copy-and-paste a formula?
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Right-click on it, and select *"Show Source"*. You can try it here: $\sum\_x 2f(v\_x)^2$. Note that the MathJax menu (which contains the item “Show Source”) may be behind the context menu of your browser.

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Related discussion: [[1]](https://cstheory.meta.stackexchange.com/questions/106/view-an-items-raw-markdown)
I did a search for a tag, and a mislabelled question came up. what do I do ?
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If you have enough reputation points, you can retag mislabelled questions. This is important to make sure tags reflect the true content of the question, which makes searching and filtering easier. Please use [the tagging guide](https://cstheory.meta.stackexchange.com/questions/225/official-faq-for-theoretical-computer-science/228#228) to decide what the right tags should be.