Implement a basic paragraph parser.

src/parser/document.rs

@@ -155,7 +155,7 @@ fn headline<'r, 's>(
 }
 
 fn headline_end<'r, 's>(context: Context<'r, 's>, input: &'s str) -> Res<&'s str, &'s str> {
-    line_ending(input)
+    alt((line_ending, eof))(input)
 }
 
 /// Check that we are at the start of a line
@@ -199,7 +199,7 @@ fn is_slice_of(parent: &str, child: &str) -> bool {
 }
 
 /// Get a slice of the string that was consumed in a parser using the original input to the parser and the remaining input after the parser.
-fn get_consumed<'s>(input: &'s str, remaining: &'s str) -> &'s str {
+pub fn get_consumed<'s>(input: &'s str, remaining: &'s str) -> &'s str {
     assert!(is_slice_of(input, remaining));
     let source = {
         let offset = remaining.as_ptr() as usize - input.as_ptr() as usize;