removed --add from TextEdit core.editor config

[Sophismata]

• I provide my work under the project license.
• I grant such license of my work as is required for the purposes of future print editions to Ben Straub and Scott Chacon.

Changes

• Removed the erroneous --add parameter from the example core.editor config used for TextEdit.

Context

Fixes #1537

[Sophismata]

Apologies; I wanted to make a quick PR but goofed it up. This is the correction for issue #1537, but when I attempted to fix the branch name of my first PR I mucked up the naming a second time.

[HonkingGoose]

Thanks for contributing!

I always goof up changing the branch name as well! 😄 It's way too easy to miss changing the default Username-patch-x branch name, don't feel bad about that. 👍

[Sophismata]

Thanks! Sorry for the late reply, I've been absolutely smashed at work and only just checked my notifications today. Do you need me to do anything further?

[HonkingGoose]

Hi @Sophismata, thanks for adding the suggestion. I don't need you to do anything more. 😉

@ben I think this is ready for your review and merge.

[ben]

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