mostlypat@screwtape Do you mean how LaTeX tends to use unicode symbols? I find that 99% of LaTeX is actually positioning and resizing symbols (something that is tricky with just plaintext)
Interestingly, the AucTeX mode in Emacs has a cool feature where it displays things like subscripts, superscripts, prettify-symbols, as you go
(I might have misunderstood your question!)
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