Use cl() instead of an overline for the topological closure.

diff --git a/mjo-topology.tex b/mjo-topology.tex
index 5f104510b7381c42782728452a77c1097d4bdddc..885f3390ae0aee177391ac1584070704261ca962 100644 (file)
--- a/mjo-topology.tex
+++ b/mjo-topology.tex
@@ -11,7 +11,7 @@
 \newcommand*{\interior}[1]{ \operatorname{int}\of{{#1}} }
 
 % The ``closure of'' operator.
-\newcommand*{\closure}[1]{ \overline{{#1}} }
+\newcommand*{\closure}[1]{ \operatorname{cl}\of{{#1}} }
 
 % And the ``boundary of'' operator.
 \newcommand*{\boundary}[1]{ \operatorname{bdy}\of{{#1}} }