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I want to improve pdf readibility in following way. I know that pdfcomments and fancytooltips packages are available, but I can't imagine whether it is possible following action. I wish to insert tooltips into PDF documents – a popup windows appears, if the mouse hovers on equation reference. The popup window should show to the reader the eqation written somewhere in the document.

Normally I use lualatex for pdf compilation, therefore it seems that I cannot use the solutions provided in Mouseover events in beamer: hovering on \eqref and a comment containing the original equation popping up.

Marijn
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JardaFait
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  • Is your question about (a) getting the data (the equation to display) or (b) using the tooltips? For the latter it is doable using OCG (eg https://tex.stackexchange.com/questions/155518/tooltip-that-works-with-all-pdf-readers ) and likely also using other packages. For (a) you will need to wrap something around the usual cross reference system. – Willie Wong Aug 27 '21 at 14:44
  • On the other hand, if you want verbatim display, what you are describing is already built into a variety of PDF viewers. https://softwarerecs.stackexchange.com/questions/52252/pdf-viewer-with-hyperlink-preview So maybe you should just suggest your reader to use one of those instead? – Willie Wong Aug 27 '21 at 14:48
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    Does this answer your question? Mouseover events in beamer: hovering on \eqref and a comment containing the original equation popping up This shows that it is possible to set something up completely automatically to do the preview, but the automation is a bit complicated to set up. – Willie Wong Aug 27 '21 at 14:50
  • But I am using lualatex. I can't to use pdflatex. And this is different story. I don't agree that the question has been already answered. Acrotex is bundled with pdflatex, if I am right. And many options of the fancytooltips package can be used only with pdflatex. – JardaFait Aug 30 '21 at 05:27

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