Only orgify the link text if there are line breaks present.

org_mode_samples/object/regular_link/file_link.org

@@ -1,4 +1,5 @@
 [[file:simple.org]]
+[[file:sim  ple.org]]
 
 [[file:simp
 le.org]]

src/compare/diff.rs

@@ -2805,8 +2805,8 @@ fn compare_regular_link<'b, 's>(
         ),
         (
             EmacsField::Required(":search-option"),
-            |r| r.search_option,
+            |r| r.get_search_option(),
-            compare_property_quoted_string
+            compare_property_quoted_string_owned
         )
     )? {
         this_status = new_status;

src/types/object.rs

@@ -683,11 +683,32 @@ pub(crate) fn orgify_text<'s>(raw_text: &'s str) -> String {
 }
 
 impl<'s> RegularLink<'s> {
+    /// Orgify the raw_link if it contains line breaks.
     pub fn get_raw_link(&self) -> String {
+        if self.raw_link.contains('\n') {
             orgify_text(self.raw_link)
+        } else {
+            self.raw_link.to_owned()
+        }
     }
 
+    /// Orgify the path if it contains line breaks.
     pub fn get_path(&self) -> String {
+        if self.path.contains('\n') {
             orgify_text(self.path)
+        } else {
+            self.path.to_owned()
+        }
+    }
+
+    /// Orgify the search_option if it contains line breaks.
+    pub fn get_search_option(&self) -> Option<String> {
+        self.search_option.map(|search_option| {
+            if search_option.contains('\n') {
+                orgify_text(search_option)
+            } else {
+                search_option.to_owned()
+            }
+        })
     }
 }