```

% pandoc -f rst

`click here`__ or `click here`__

.. _link1: http://www.example.com/

.. _link2: http://johnmacfarlane.net/pandoc/

__ link1_

__ link2_

^D

click here or click here

```

Multiple indirection:

```

% pandoc -f rst

`click here`__

.. _link1: link2_

.. _link2: http://johnmacfarlane.net/pandoc/

__ link1_

^D

click here

```

Loop detection:

```

% pandoc -f rst

`click here`__

.. _link1: link2_

.. _link2: link1_

__ link1_

^D

[WARNING] Circular reference 'link1' at line 1 column 15

click here

```