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https://tex.stackexchange.com/questions/762188/is-textit-now-long-instead-of-short
macros - Is \textit now long, instead of short? - TeX - LaTeX Stack Exchange
In the past, something such as \textit{this\par that} would throw an error, because the \textit command was "short" (it could not span paragraphs). But I now...
tex latex stackmacroslonginsteadshort