-``GMX_VIEW_XPM``
- ``GMX_VIEW_XVG``, ``GMX_VIEW_EPS`` and ``GMX_VIEW_PDB``, commands used to
- automatically view :ref:`xvg`, :ref:`xpm`, :ref:`eps`
- and :ref:`pdb` file types, respectively; they default to ``xv``, ``xmgrace``,
+``GMX_VIEW_XVG``
+ ``GMX_VIEW_EPS`` and ``GMX_VIEW_PDB``, commands used to
+ automatically view :ref:`xvg`, :ref:`eps`
+ and :ref:`pdb` file types, respectively; they default to ``xmgrace``,