Index: src/roff/troff/env.cpp
===================================================================
RCS file: /sources/groff/groff/src/roff/troff/env.cpp,v
retrieving revision 1.22
diff -u -B -r1.22 env.cpp
--- src/roff/troff/env.cpp	5 Jan 2009 20:11:12 -0000	1.22
+++ src/roff/troff/env.cpp	22 Nov 2009 13:16:30 -0000
@@ -2213,14 +2213,15 @@
      */
     if (curdiv == topdiv && topdiv->before_first_page)
       topdiv->begin_page();
-    macro *m = new macro;
-    m->append_str("devtag:");
+
+    macro m;
+    m.append_str("devtag:");
     for (const char *p = nm; *p; p++)
       if (!invalid_input_char((unsigned char)*p))
-	m->append(*p);
-    m->append(' ');
-    m->append_int(i);
-    return new special_node(*m);
+	m.append(*p);
+    m.append(' ');
+    m.append_int(i);
+    return new special_node(m);
   }
   return 0;
 }
Index: src/roff/troff/input.cpp
===================================================================
RCS file: /sources/groff/groff/src/roff/troff/input.cpp,v
retrieving revision 1.60
diff -u -B -r1.60 input.cpp
--- src/roff/troff/input.cpp	7 May 2009 16:22:17 -0000	1.60
+++ src/roff/troff/input.cpp	22 Nov 2009 13:16:33 -0000
@@ -531,6 +531,8 @@
 {
   if (t->is_diversion) {
     div_level--;
+    if (diversion_state)
+      delete diversion_state;
     diversion_state = t->diversion_state;
   }
 }
@@ -4398,6 +4400,7 @@
 	  args += c;
       if (i != limit)
 	args += ' ';
+      delete p;
     }
     if (limit > 0) {
       args += '\0';
@@ -4419,6 +4422,7 @@
       args += '"';
       if (i != limit)
 	args += ' ';
+      delete p;
     }
     if (limit > 0) {
       args += '\0';
@@ -4438,6 +4442,7 @@
       }
       if (input_stack::space_follows_arg(i))
 	args += ' ';
+      delete p;
     }
     if (limit > 0) {
       args += '\0';
Index: src/roff/troff/mtsm.cpp
===================================================================
RCS file: /sources/groff/groff/src/roff/troff/mtsm.cpp,v
retrieving revision 1.6
diff -u -B -r1.6 mtsm.cpp
--- src/roff/troff/mtsm.cpp	5 Jan 2009 20:11:12 -0000	1.6
+++ src/roff/troff/mtsm.cpp	22 Nov 2009 13:16:33 -0000
@@ -390,8 +390,6 @@
 #endif
     if (sp == 0)
       fatal("empty state machine stack");
-    if (sp->state)
-      delete sp->state;
     sp->state = 0;
     stack *t = sp;
     sp = sp->next;