- A reference to an issue in an issue tracker.
- This node always has the ``issue_id`` attribute, which contains the ID
- of the referenced issue.
- Transform plain text issue numbers (e.g. #10) into
- :class:`issue_reference` nodes.
+ Transform plain text issue numbers (e.g. #10) into ``pending_xref``
+ nodes, which are then resolved through the sphinx reference resolving