Revert incorrect markup

[SVN r61913]

status/explicit-failures-markup.xml

@@ -5769,20 +5769,7 @@ These tests will fail in most compilers that don't support rvalue references.
         <mark-expected-failures>
             <test name="fail_base_dimension"/>
             <toolset name="vacpp"/>
-            <note author="Steven Watanabe">
-                The library depends on a widespread compiler bug to
-                produce better error messages.  This failure is not
-                serious and should not affect most users of the library.
-            </note>
-        </mark-expected-failures>
-        <mark-expected-failures>
-            <test name="fail_base_dimension"/>
-            <toolset name="clang-darwin"/>
-            <note author="Steven Watanabe">
-                The library depends on a widespread compiler bug to
-                produce better error messages.  This failure is not
-                serious and should not affect most users of the library.
-            </note>
+            <note author="Steven Watanabe" refid="16"/>
         </mark-expected-failures>
     </library>