use <mark-expected-failures> to fold vc7 graph library markup

[SVN r25245]

status/explicit-failures-markup.xml

@@ -312,56 +312,21 @@
             <toolset name="msvc"/>
             <toolset name="msvc-stlport"/>
         </mark-unusable>
-        <test name="adj_matrix_cc">
-            <mark-failure>
-                <toolset name="vc7"/>
-                <note refid="3" author="D. Gregor"/>
-            </mark-failure>
-        </test>
-        <test name="bfs_cc">
-            <mark-failure>
-                <toolset name="vc7"/>
-                 <note refid="3" author="D. Gregor"/>
-            </mark-failure>
-        </test>
-        <test name="bundled_properties">
-            <mark-failure>
-                <toolset name="vc7"/>
-                <note refid="3" author="D. Gregor"/>
-            </mark-failure>
-        </test>
-        <test name="dfs_cc">
-            <mark-failure>
-                <toolset name="vc7"/>
-                <note refid="3" author="D. Gregor"/>
-            </mark-failure>
-        </test>
-        <test name="dijkstra_cc">
-            <mark-failure>
-                <toolset name="vc7"/>
-                <note refid="3" author="D. Gregor"/>
-            </mark-failure>
-        </test>
-        <test name="subgraph">
-            <mark-failure>
-                <toolset name="vc7"/>
-                <note refid="3" author="D. Gregor"/>
-            </mark-failure>
-        </test>
-        <test name="transitive_closure_test">
-            <mark-failure>
-                <toolset name="vc7"/>
-                <note refid="3" author="D. Gregor"/>
-            </mark-failure>
-        </test>
-        <test name="vector_graph_cc">
-            <mark-failure>
-                <toolset name="vc7"/>
-                <note refid="3" author="D. Gregor"/>
-            </mark-failure>
-        </test>
+        <mark-expected-failures>
+            <test name="adj_matrix_cc"/>
+            <test name="bfs_cc"/>
+            <test name="bundled_properties"/>
+            <test name="dfs_cc"/>
+            <test name="dijkstra_cc"/>
+            <test name="subgraph"/>
+            <test name="transitive_closure_test"/>
+            <test name="vector_graph_cc"/>
+            <toolset name="vc7"/>
+            <note refid="3" author="D. Gregor"/>
+        </mark-expected-failures>
     </library>
 
+
     <!-- lambda -->
     <library name="lambda">
         <mark-unusable>
@@ -371,8 +336,7 @@
             <toolset name="borland-5.6.4"/>
             <toolset name="borland-5.5.1"/>
             <toolset name="vc7"/>
-            <note>
-                TBD: Explain why it is not usable 
+            <note refid="3">
             </note>
         </mark-unusable>
     </library>