diff --git a/doc/ceg-adv.xml b/doc/ceg-adv.xml
index 29c5075..1dc87f5 100644
--- a/doc/ceg-adv.xml
+++ b/doc/ceg-adv.xml
@@ -31,7 +31,7 @@ class  SetTopController implements URLStreamHandler {
 	void connect() {}
 }
 
-/** @depend - <friend> - SetTopController */
+/** @depend - &lt;friend&gt; - SetTopController */
 class ChannelIterator {}
 
 interface URLStreamHandler {
diff --git a/doc/ceg-infer.xml b/doc/ceg-infer.xml
index dc8e0e9..379ecf9 100644
--- a/doc/ceg-infer.xml
+++ b/doc/ceg-infer.xml
@@ -20,8 +20,8 @@ class UMLOptions {}
 
 class Person {
     House[] houses;
-    List<Dog> dogs;
-    
+    List&lt;Dog&gt; dogs;
+
     public Room getFavouriteRoom(House house) {}
 }
 
@@ -29,7 +29,7 @@ class Person {
  * @opt inferreltype composed
  */
 class House {
-    Map<String, Room> nameRoomMap;
+    Map&lt;String, Room&gt; nameRoomMap;
 }
 
 class Room {}
@@ -37,7 +37,6 @@ class Room {}
 class Dog {
     Person owner;
 }
-
 </fmtcode>
 </td><td>
 <img src="infer.png" alt="UML diagram with relationship inference" />
diff --git a/doc/ceg-mv.xml b/doc/ceg-mv.xml
index 7eb9d79..1da7d42 100644
--- a/doc/ceg-mv.xml
+++ b/doc/ceg-mv.xml
@@ -93,18 +93,18 @@ clean:
 
 build/%.dot : %.java
 	mkdir -p $(dir $@)
-	$(jd) $(jd_flags) $(detailed_flags) -output $@ $<
+	$(jd) $(jd_flags) $(detailed_flags) -output $@ $&lt;
 
 build/%-small.dot : %.java
 	mkdir -p $(dir $@)
-	$(jd) $(jd_flags) -output $@ $<
+	$(jd) $(jd_flags) -output $@ $&lt;
 
 %.png : %.dot
-	dot -Nheight=0.2 -Elabelfontcolor=DarkSlateBlue -Elabelfontsize=8 -Tpng -o $@ $<
+	dot -Nheight=0.2 -Elabelfontcolor=DarkSlateBlue -Elabelfontsize=8 -Tpng -o $@ $&lt;
 
 build/%.png : %.fig
 	mkdir -p $(dir $@)
-	fig2dev -L png -S 4 $< $@
+	fig2dev -L png -S 4 $&lt; $@
 
 dot: $(dot_files)
 
@@ -112,7 +112,7 @@ png: $(png_files)
 
 build/%.png : %.png
 	mkdir -p $(dir $@)
-	cp $< $@
+	cp $&lt; $@
 
 # Example usage:
 #   make debug-java_files
diff --git a/doc/uml-184.xml b/doc/uml-184.xml
index a4adb65..7d0f3d3 100644
--- a/doc/uml-184.xml
+++ b/doc/uml-184.xml
@@ -30,7 +30,7 @@ async(); message(S,W,"liftReceiver"); sync();
 active(S);
 message(W,S,"setDialTone()");
 async(); message(S,W,"*dialDigit(d)"); sync();
-lconstraint(W,"{dialing.executionTime < 30s}");
+lconstraint(W,"{dialing.executionTime &lt; 30s}");
 active(W);
 message(W,W,"routeCalls(s,n)");
 inactive(W);