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Can someone explain this code. How to make beamer overlays with Tikz node. In particular I need to know

  1. Why do we get three copies of a given slide. If I need to make more than two copies, what should be changed?
  2. How does onslide/.code arg={} and temporal/.code arg={} work?
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NAASI
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    The \temporal and \alt macros are from beamer, see p. 81. The interesting part is \pgfkeysalso that does forward its argument to the key-parser of PGFkeys without setting a parent keypath (like \tikzset sets /tikz). So \onslide<3->{highlight} applies the highlight key (in this case a style) to slide 3 and all thereafter. (However if there are no specification in that frame for slide after 3 it will be the last one.) – Qrrbrbirlbel Jun 29 '16 at 19:47
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    It will make however many slides are required. Do you have an example where that's not the case? – cfr Jun 29 '16 at 22:04
  • I didn't understand the syntax ..... so that why I asked. But now I know how this works – NAASI Jun 29 '16 at 23:28
  • @Qrrbrbirlbel Would you like to write an answer? – samcarter_is_at_topanswers.xyz Jul 03 '16 at 20:33
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    I'm voting to close this question as off-topic because solved in comments – samcarter_is_at_topanswers.xyz Jul 13 '16 at 23:59

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