Run cargo fix.

src/intermediate/footnote_definition.rs

@@ -1,6 +1,6 @@
 use super::macros::intermediate;
 use super::registry::register_footnote_definition;
-use super::registry::Registry;
+
 use super::IAstNode;
 use crate::error::CustomError;
 use crate::intermediate::RefRegistry;
@@ -27,7 +27,7 @@ pub(crate) struct IRealFootnoteDefinition {
 
 impl IRealFootnoteDefinition {
     pub(crate) async fn new<'orig, 'parse>(
-        registry: RefRegistry<'orig, 'parse>,
+        _registry: RefRegistry<'orig, 'parse>,
         footnote_id: usize,
         contents: Vec<IAstNode>,
     ) -> Result<IRealFootnoteDefinition, CustomError> {