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Folks,
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<div class="">TeXShop 5.00 is available via the Sparkle update mechanism and from</div>
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<div class=""><span class="Apple-tab-span" style="white-space:pre"></span><a href="https://pages.uoregon.edu/koch/texshop/texshop.html" class="">https://pages.uoregon.edu/koch/texshop/texshop.html</a></div>
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<div class="">Version 5.00 is a major update, but there are no changes when typesetting traditional documents, so users will see nothing new until they read or skim the Changes document in TeXShop Help. </div>
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<div class="">The key new feature is that documents can access a preview window which shows live web content, in addition to a preview window which displays a pdf file. Therefore, typesetting engines which produce html output can be written exactly as pdflatex
and related documents are now written. Examples include</div>
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<div class=""><span class="Apple-tab-span" style="white-space:pre"></span>TeX4ht</div>
<div class=""><span class="Apple-tab-span" style="white-space:pre"></span>PreTeXt</div>
<div class=""><span class="Apple-tab-span" style="white-space:pre"></span>html web pages</div>
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<div class="">I used to attend TUG annual conferences in which old timers claimed that TeX would be dead in another five years. Many of these speakers worked in the Open University system in England and needed to produce interactive documents which students
could access remotely. I ignored these talks.</div>
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<div class="">Then Covid hit and my mathematical colleagues had to switch to remote learning with only a week's notice. I don't know how they did it. In the future, I expect that faculty will need to write documents which output both pdf and html files. The
pdf format will provide a rigorous view of the course in final polished form. The html view will contain interactive material: movies, questions with student input, etc., teaching how mathematics is actually created.This html experience can be accessed remotely.</div>
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<div class="">Several current projects are taking steps in this direction, but I expect others to emerge in the future. When they do, TeXShop will be ready, providing previews of both output files.</div>
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<div class="">Richard Koch</div>
<div class="">University of Oregon</div>
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