Update the paragraph parser to work at the end of the file.

src/parser/text_element_parser.rs

@@ -23,11 +23,14 @@ use nom::branch::alt;
 use nom::combinator::map;
 use nom::combinator::not;
 use nom::combinator::recognize;
+use nom::error::ErrorKind;
+use nom::error::ParseError;
 use nom::error::VerboseError;
 use nom::multi::many_till;
 use nom::sequence::tuple;
 use nom::IResult;
 use tracing::instrument;
+use tracing::trace;
 
 fn flat_text_element<'s, 'r>(
     i: &'s str,
@@ -84,8 +87,18 @@ pub fn paragraph<'s, 'r>(
     i: &'s str,
     context: &'r OrgModeContext<'r>,
 ) -> Res<&'s str, (Vec<TextElement<'s>>, &'s str)> {
+    // not(eof)(i)?;
     let paragraph_context = context.with_additional_fail_matcher(&paragraph_end);
     let text_element_parser = parser_with_context!(flat_text_element)(&paragraph_context);
     let ret = many_till(text_element_parser, paragraph_end)(i);
+    trace!("Returning from paragraph with {:#?}", ret);
+    if let Ok((remaining, (text_elements, end_of_paragraph))) = &ret {
+        if text_elements.len() == 0 {
+            return Err(nom::Err::Error(nom::error::VerboseError::from_error_kind(
+                remaining,
+                ErrorKind::ManyTill,
+            )));
+        }
+    }
     ret
 }