Create structure for angle links.

src/compare/diff.rs

@@ -1,6 +1,7 @@
 use super::util::assert_bounds;
 use super::util::assert_name;
 use crate::parser::sexp::Token;
+use crate::parser::AngleLink;
 use crate::parser::Bold;
 use crate::parser::Clock;
 use crate::parser::Code;
@@ -150,6 +151,7 @@ fn compare_object<'s>(
         Object::RadioLink(obj) => compare_radio_link(source, emacs, obj),
         Object::RadioTarget(obj) => compare_radio_target(source, emacs, obj),
         Object::PlainLink(obj) => compare_plain_link(source, emacs, obj),
+        Object::AngleLink(obj) => compare_angle_link(source, emacs, obj),
     }
 }
 
@@ -1188,3 +1190,26 @@ fn compare_plain_link<'s>(
         children: Vec::new(),
     })
 }
+
+fn compare_angle_link<'s>(
+    source: &'s str,
+    emacs: &'s Token<'s>,
+    rust: &'s AngleLink<'s>,
+) -> Result<DiffResult, Box<dyn std::error::Error>> {
+    let mut this_status = DiffStatus::Good;
+    let emacs_name = "link";
+    if assert_name(emacs, emacs_name).is_err() {
+        this_status = DiffStatus::Bad;
+    }
+
+    if assert_bounds(source, emacs, rust).is_err() {
+        this_status = DiffStatus::Bad;
+    }
+
+    Ok(DiffResult {
+        status: this_status,
+        name: emacs_name.to_owned(),
+        message: None,
+        children: Vec::new(),
+    })
+}