Link lines longer than 100 chars are malformed in ///

The first line illustrates a 100 character long line

The following are a markdown link line of 100 characters, and the next the same of 101 characters.

```
1234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890
/// [Design-doc](8901234567890123456789012345678901234567890123456789012345678901234567890123456789)
/// [Design-doc](89012345678901234567890123456789012345678901234567890123456789012345678901234567890)
```

The first is maintained through the formatter

The second is malformed by moving the link to a new line prefixed by `//`

```
/// [Design-doc](8901234567890123456789012345678901234567890123456789012345678901234567890123456789)
///
// [Design-doc](89012345678901234567890123456789012345678901234567890123456789012345678901234567890)
```

It'll do this regaurdless of `///` comments before or after, so it can result in a `//` line in the middle of `///` ones

先使用 issue 中所示的 `///` 註解中的 100 字元和 101 字元 Markdown 連結，重現 formatter 的輸出。追蹤 formatter 的註解行換行路徑；如果找到相關的測試位置，就為這個邊界案例新增覆蓋。完成的標準是 101 字元的連結保持完整，且所有周圍的行都保留 `///` 前綴。

由索引模型根據 Issue 內容生成。