Consume line break at the end of paragraph.

src/parser/paragraph.rs

@@ -36,6 +36,7 @@ pub fn paragraph<'r, 's>(context: Context<'r, 's>, input: &'s str) -> Res<&'s st
         |(children, _exit_contents)| !children.is_empty(),
     )(input)?;
 
+    let (remaining, _linebreak) = alt((eof, line_ending))(remaining)?;
     let source = get_consumed(input, remaining);
 
     Ok((remaining, Paragraph { source, children }))