Use minipage

trees/uts-0002.tree

@@ -15,13 +15,6 @@
 \begin{minipage}{4in}
 \setlength{\parindent}{10pt}
 \setlength{\parskip}{3ex plus 0.5ex minus 0.2ex}
-This is a paragraph. It's a nice long paragraph. 
-
-This is another paragraph.
-
-This is a paragraph. It's a nice long paragraph. This is a paragraph. It's a nice long paragraph.
-\end{minipage}
-
 The Pin group of $(V, q)$ is the subgroup $\operatorname{Pin}(V, q)$ of $P(V, q)$ generated by the elements $v \in V$ with $q(v) = \pm 1$.
 
 The associated spin group of $(V, q)$ is then defined by
@@ -30,6 +23,7 @@ $
 \operatorname{Spin}(V, q)=\operatorname{Pin}(V, q) \cap \mathrm{Cl}^0(V, q)
 $
 
+\end{minipage}
 }
 
 \p{See [[lawson2016spin]].}