Strikethrough text for deprecated code snippets

[TerensTare]

Type: Feature Request

The Java extension from Red Hat "decorates" deprecated code snippets with a strikethrough. It would be cool if we could have such feature on the C/C++ extension as well.

Example from the Java extension:

[sean-mcmanus]

You mean code marked with the [[deprecated]] attribute? https://en.cppreference.com/w/cpp/language/attributes/deprecated

[TerensTare]

Yes, I should've specified that.
There are also non-standard extensions such as MSVC's __declspec(deprecated) and GCC/Clang's __attribute__(deprecated) which might strikethrough deprecated code on their respective intellisense mode.

[sean-mcmanus]

I've filed a feature request on VS at https://developercommunity.visualstudio.com/t/Add-strikethrough-rendering-for-CC-/1653887 . If our shared IntelliSense engine adds support for that, then I think it'd be pretty easy for us to add the "deprecated" semantic token modifier (https://code.visualstudio.com/api/language-extensions/semantic-highlight-guide).

[github-actions]

This feature request is being closed due to insufficient upvotes. When enough upvotes are received, this issue will be eligible for our backlog.