-``nest``, ``top_of_tree``). Terms in **bold type** are included in the
-glossary -- Appendix G on page 273. We switch to italic type for a
-placeholder: for example you should read the Inform statement:
+``nest``, ``top_of_tree``).
+
+.. only:: html
+
+ Terms that are included in the :doc:`Glossary <appendices/g>` appear as
+ links to that glossary entry.
+
+.. only:: latex
+
+ Terms that are included in the :doc:`Glossary <appendices/g>` appear in
+ blue italic. In the PDF version, these are links to the glossary entry.
+
+We switch to italic type for a placeholder: for example you should read the
+Inform statement: