* `for_each_glob_ref_in()` the previous and `for_each_ref_in()` combined.
-* `head_ref_submodule()`, `for_each_ref_submodule()`,
- `for_each_ref_in_submodule()`, `for_each_tag_ref_submodule()`,
- `for_each_branch_ref_submodule()`, `for_each_remote_ref_submodule()`
- do the same as the functions described above but for a specified
- submodule.
+* Use `refs_` API for accessing submodules. The submodule ref store could
+ be obtained with `get_submodule_ref_store()`.
* `for_each_rawref()` can be used to learn about broken ref and symref.
do not do this you will get an error for each ref that it does not point
to a valid object.
-Note: As a side-effect of this you can not safely assume that all
+Note: As a side-effect of this you cannot safely assume that all
objects you lookup are available in superproject. All submodule objects
will be available the same way as the superprojects objects.