C++ launch json documentation wrong (outdated)

[corneliusroemer]

I noticed that the C++ Launch JSON documentation is outdated/incorrect.

For example, it suggests setting externalConsole but VS Code says that key doesn't exist: "Property externalConsole is not allowed."

I found some issues related to this, suggesting the docs are no longer up to date:

• Set externalConsole to true does not open terminal, and the debugger just hangs. #6805
• Deprecated code 'externalConsole' #6939
• Review and update Configure C/C++ debugging topic vscode-docs#5518
• Add new "console" launch config for cppvsdbg #6794

I started looking into this because of a StackOverflow question: https://stackoverflow.com/questions/79626471/c-debugger-terminates-instead-of-waiting-for-input-in-vscode-on-mac

[github-actions]

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