- This was pointed out by Carlo in
https://github.com/Homebrew/brew/issues/14925#issuecomment-1473303922,
it annoyed me the moment I saw it too, and it was a very quick fix.
- The caveats items are joined by "\n" before being displayed, so the
extra `\n` here when generating the `keg_only_text` meant that there
were two blank lines which looked weird. This `keg_only_text` method
is only used here so it doesn't affect anywhere else we show the
`keg_only` message, if there are any other places.
The main class you should look at is the {Formula} class (and classes linked from there). That's the class that's used to create Homebrew formulae (i.e. package descriptions). Assume anything else you stumble upon is private.
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