Shell "brace expansion" in VimScript
Shell "brace expansion" in VimScript

Using example input from https://rosettacode.org/wiki/Brace_expansion

```vim
:let input = '{,{,gotta have{ ,\, again\, }}more }cowbell!'
:echo join(brace#expand(input), "\n")
cowbell!
more cowbell!
gotta have more cowbell!
gotta have, again, more cowbell!
```

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