How to display a LateXString in pluto?

Tooling Pluto
1

I have my type of objects Mvp (for “multivariate polynomials”) and I have overloaded latexstring for them. For example, for a certain polynomial p I have at the repl:

julia> latexstring(p)
L"$x^3+3x^2y+3xy^2+y^3$"

If in Pluto I evaluate latexstring(p) I get a nice display. So I want that whenever I evaluate an Mvp, it is displayed in Pluto via its latexstring. I thought the following would do the job:

Base.show(io::IO,::MIME"text/html",p::Mvp)=print(io,latexstring(p))

and for instance it works perfectly in an IJulia notebook. But it does not work in Pluto, it shows the unrendered string. What is the solution?

2

For some reason Jupyter automatically interprets $...$ inside HTML as LaTeX and renders it with MathJax:

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However, in general I wouldn’t expect HTML rendering to do this, so it’s not so surprising that it doesn’t work in Pluto. I think you need to display in a format like text/latex or text/markdown that Pluto supports and which should should handle LaTeX equations, i.e.

Base.show(io::IO, ::MIME"text/latex", p::Mvp) = print(io, latexstring(p))