Function write_set_clipboard 

pub fn write_set_clipboard<W: Write>(
    w: &mut W,
    pc: u8,
    data: &[u8],
) -> Result<()>

Set a clipboard or selection with ESC ] 52 ; <pc> ; <base64-data> BEL.

pc is a selector such as SYSTEM_CLIPBOARD or PRIMARY_CLIPBOARD. data is base64-encoded by this function before it is emitted.