Apply the link templates.

src/parser/org_source.rs

@@ -1,3 +1,4 @@
+use std::borrow::Cow;
 use std::ops::RangeBounds;
 
 use nom::Compare;
@@ -184,6 +185,18 @@ impl<'s> From<OrgSource<'s>> for &'s str {
     }
 }
 
+impl<'s> From<&OrgSource<'s>> for Cow<'s, str> {
+    fn from(value: &OrgSource<'s>) -> Self {
+        (&value.full_source[value.start..value.end]).into()
+    }
+}
+
+impl<'s> From<OrgSource<'s>> for Cow<'s, str> {
+    fn from(value: OrgSource<'s>) -> Self {
+        (&value.full_source[value.start..value.end]).into()
+    }
+}
+
 impl<'s, R> Slice<R> for OrgSource<'s>
 where
     R: RangeBounds<usize>,