Implement the new fields for planning.

src/parser/planning.rs

@@ -33,7 +33,7 @@ pub(crate) fn planning<'b, 'g, 'r, 's>(
         many1(parser_with_context!(planning_parameter)(context))(remaining)?;
     let (remaining, _trailing_ws) = tuple((space0, org_line_ending))(remaining)?;
 
-    let (remaining, _trailing_ws) =
+    let (remaining, post_blank) =
         maybe_consume_trailing_whitespace_if_not_exiting(context, remaining)?;
     let source = get_consumed(input, remaining);
 
@@ -62,6 +62,7 @@ pub(crate) fn planning<'b, 'g, 'r, 's>(
             scheduled,
             deadline,
             closed,
+            post_blank: post_blank.map(Into::<&str>::into),
         },
     ))
 }