Fix footnote reference type.

src/compare/diff.rs

@@ -54,6 +54,7 @@ use crate::types::ExportSnippet;
 use crate::types::FixedWidthArea;
 use crate::types::FootnoteDefinition;
 use crate::types::FootnoteReference;
+use crate::types::FootnoteReferenceType;
 use crate::types::GetStandardProperties;
 use crate::types::Heading;
 use crate::types::HorizontalRule;
@@ -3323,7 +3324,10 @@ fn compare_footnote_reference<'b, 's>(
         ),
         (
             EmacsField::Required(":type"),
-            |_| Some("inline"),
+            |r| Some(match r.get_type() {
+                FootnoteReferenceType::Standard => "standard",
+                FootnoteReferenceType::Inline => "inline",
+            }),
             compare_property_unquoted_atom
         )
     )? {

src/types/mod.rs

@@ -69,6 +69,7 @@ pub use object::DayOfMonthInner;
 pub use object::Entity;
 pub use object::ExportSnippet;
 pub use object::FootnoteReference;
+pub use object::FootnoteReferenceType;
 pub use object::Hour;
 pub use object::HourInner;
 pub use object::InlineBabelCall;

src/types/object.rs

@@ -764,3 +764,19 @@ impl<'s> OrgMacro<'s> {
             .map(|arg| coalesce_whitespace_escaped('\\', |c| ",".contains(c))(*arg))
     }
 }
+
+#[derive(Debug, PartialEq)]
+pub enum FootnoteReferenceType {
+    Standard,
+    Inline,
+}
+
+impl<'s> FootnoteReference<'s> {
+    pub fn get_type(&self) -> FootnoteReferenceType {
+        if self.definition.is_empty() {
+            FootnoteReferenceType::Standard
+        } else {
+            FootnoteReferenceType::Inline
+        }
+    }
+}