Allow underscores for spaces

src/main.rs

@@ -89,7 +89,7 @@ impl Context {
         } else {
             percent_decode_str(&relative_path[1..])
                 .decode_utf8_lossy()
-                .to_string()
+                .replace('_', " ")
         };
         let (pk_file, pki_file, start_level) = if !relative_path.is_empty() {
             path.push(&relative_path);