Suggestion: Add + and - marks as part of the text, not only visually

[GiuseppeCrBrandi]

Code of Conduct

• I have read and agree to the GitHub Docs project's Code of Conduct

What article on docs.github.com is affected?

I miss having this information on my text selection to see which lines are added and which are removed. They would help a lot to better integrate github desktop with AI usage in general.

What part(s) of the article would you like to see updated?

I miss having this information on my text selection to see which lines are added and which are removed. They would help a lot to better integrate github desktop with AI usage in general.

Additional information

No response

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