Re: [vim/vim] buffered listener cannot obtain the text of a change (PR #21071)

mao-yining left a comment (vim/vim#21071)

LSP require a string instead of `list<string>`, so now we need:

```vim
var hasEol: bool   = bnr->getbufvar('&eol')
var lcount: number = bnr->getbufinfo()[0].linecount - 1
var Join = (text: list<string>, end: number) =>
  end < lcount || hasEol ? text->join("\n") .. "\n" : text->join("\n")
contentChanges = changes->mapnew((_, v) => ({
  range: {
    start: {line: v.lnum - 1, character: v.col - 1},
    end:   {line: v.end - 1,  character: 0},
  },
  text: v.text->Join(v.end)
}))
```

Could you consider making it easier to handle newline characters? Or is there a better way to do this?


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