- * Call fn for each reference in dir that has index in the range
- * offset <= index < dir->nr. Recurse into subdirectories that are in
- * that index range, sorting them before iterating. This function
- * does not sort dir itself; it should be sorted beforehand. fn is
- * called for all references, including broken ones.
+ * Call `fn` for each reference in `dir`. Recurse into subdirectories,
+ * sorting them before iterating. This function does not sort `dir`
+ * itself; it should be sorted beforehand. `fn` is called for all
+ * references, including broken ones.