display tex rendering/preview without a document body

[smilesun]

New features or Expected behavior

When I type a complex formula in a align environment for example in a seperate tex file, I only want to check if the commands I have typed will render into a right formula I expect. In this case, I do not want to compile with the huge project together.
I could think of a hack, which is to have a empty document with \begin{document} body and then embed the document I am typing my formula into, but actually the formula could lie in any file which does not have a definite name, so I have not figured out how to do this.

Is it possible to incorporate this into the plugin?

[stale]

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[badouralix]

Hi @smilesun !

Thanks for the feedback. I think latex plugin for vscode support such a feature and it is quite useful indeed.

The usecase lands a bit outside the scope of the plugin and might require some design work around it. Typically it would be interesting to create a dedicated command to render the visual selection buffer.

I'll keep the issue around to track this, although I cannot give any timeline for this.