Yet another MIME type to treat as text in [`mime_type_is_text`](https://github.com/bugaevc/wl-clipboard/blob/4f20741f66c4e9bcf45481e941e344f8fe5e998d/src/util/string.c#L24). ``` application/x-pem-key ```
Yet another MIME type to treat as text in
mime_type_is_text.