Xcode spell checking

Question

Just wondering if there is a way to enable spell checking in Xcode. Maybe an add-on or something...

Answer 1

Spell checking was broken in Xcode 9 and 10. It's now fixed in Xcode 11.0.
(Edit ► Format ► Spelling and Grammar ► Check Document Now)

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Original answer below:

Unfortunately it doesn't work in Xcode 9 and 10. I posted a bug to Apple using "Bug Report". And it was marked as a dupe of a bug with number "32062963". And I found it here.

So if you want it works, PLEASE, POST A BUG! here.

Apple uses this to gauge how serious a bug is.

As it was mentioned here by Donarb.