diff --git a/dfn/dev.tex b/dfn/dev.tex
index f73d2dd..3d42359 100644
--- a/dfn/dev.tex
+++ b/dfn/dev.tex
@@ -2,6 +2,8 @@
 %
 % Intended to be included within its own section.
 
+\begindeptgroup{it}
+
 Definitions within this subsection are used most frequently by the software
 developers addressed by this specification.
 
@@ -137,3 +139,5 @@ developers addressed by this specification.
   \dt{$\top$}
   Boolean value of 1; ``true'';
 \end{description}
+
+\enddeptgroup
diff --git a/dfn/ins.tex b/dfn/ins.tex
index d142766..485d501 100644
--- a/dfn/ins.tex
+++ b/dfn/ins.tex
@@ -4,6 +4,8 @@
 %
 % Also requires gls-ins-calif definition.
 
+\begindeptgroup{uw}
+
 For a glossary of insurance terms from the state of California,
 see~\cite{gls-ins-calif}.
 
@@ -95,3 +97,5 @@ apply.
     \end{description}
 
 \end{description}
+
+\enddeptgroup
diff --git a/dfn/spec.tex b/dfn/spec.tex
index 2be2533..ab9da7a 100644
--- a/dfn/spec.tex
+++ b/dfn/spec.tex
@@ -2,6 +2,8 @@
 %
 % Intended to be included within its own section.
 
+\begindeptgroup{pm}
+
 Portions of this section conform to \rfc{2119}: ``Key words for use in RFCs to
 Indicate Requirement Levels''. Certain terms from the RFC have been expressly
 avoided; for example, the terms ``should'' and ``should not'' are not used
@@ -68,3 +70,5 @@ specification to resolve implementation issues and should exercise that ability.
   \dt{\P}
   Paragraph reference
 \end{description}
+
+\enddeptgroup