Compare raw-value.

src/compare/diff.rs

@@ -714,7 +714,19 @@ fn compare_heading<'s>(
         (None, false) | (Some(_), true) => {}
     }
 
-    // TODO: Compare :pre-blank :raw-value :footnote-section-p :scheduled :closed
+    // Compare raw-value
+    let raw_value = get_property_quoted_string(emacs, ":raw-value")?
+        .ok_or("Headlines should have :raw-value.")?;
+    let rust_raw_value = rust.get_raw_value();
+    if raw_value != rust_raw_value {
+        this_status = DiffStatus::Bad;
+        message = Some(format!(
+            "raw-value mismatch (emacs != rust) {:?} != {:?}",
+            raw_value, rust_raw_value
+        ));
+    }
+
+    // TODO: Compare :pre-blank :footnote-section-p :scheduled :closed
     //
     // :scheduled and :closed seem to only appear when the headline has a planning
 

src/types/document.rs

@@ -74,3 +74,15 @@ impl<'s> StandardProperties<'s> for Heading<'s> {
         self.source
     }
 }
+
+impl<'s> Heading<'s> {
+    pub fn get_raw_value(&self) -> String {
+        // TODO: I think this could just return a string slice instead of an owned string.
+        let title_source: String = self
+            .title
+            .iter()
+            .map(|obj| obj.get_standard_properties().get_source())
+            .collect();
+        title_source
+    }
+}