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Yes, this is universal blacklist. Both MathOverflow and this site have had problems with this particular person. MathOverflow moderators have, at times, asked to have content blocked preemptively. (I'm not going to be too specific here to avoid making the blocks easier to avoid.) When I add a blacklist item over there, I tend to add it here as well. (Looking ...


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Does the MSE software filter these words out automatically? Yes. According to Should 'Hi', 'thanks', taglines, and salutations be removed from posts?, "hey" and"guys" will be removed automatically, only if it's on the start of body (including whitespace). If so, why didn't it remove them from the original version of the ...


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Background The use of block (displayed) equations ($$...$$) in question titles has been disallowed on Mathematics Stack Exchange. Titles are meant to be short descriptions of the question, and using block equations generally causes your equations to be larger: compare $$\lim_{n \to \infty} \frac{1}{n}$$ to $\lim_{n \to \infty} \frac{1}{n}$ which produce $$\...


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Blacklisted tags I will start here list of blacklisted tags based on past discussions and information I was given by Arthur Fischer in chat. I made the post CW - it should be expanded if some new tags are blacklisted and if some other information can be added. math, mathematics See The "mathematics" tag. These tags are also intrinsic tags for ...


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Proposal: Defining macros in the titles should be strongly discouraged and we should ask Stack Exchange to add them to blacklisted phrases in the titles.1 This would mean blacklisting: \DeclareMathoperator, \newcommand, \renewcommand, \def\ in the titles.2,3,4 Possibly also \let - as pointed out by Hagen von Eitzen in the comments. Here are some problems ...


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