As far as I know, there aren't any warning differences between -std=gnu99 and 
-std=c99 modes, etc.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@80133 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/docs/UsersManual.html b/docs/UsersManual.html
index 8215849..20fdda7 100644
--- a/docs/UsersManual.html
+++ b/docs/UsersManual.html
@@ -596,7 +596,6 @@
 <li>The Apple "blocks" extension is recognized by default in gnu* modes
 on some platforms; it can be enabled in any mode with the "-fblocks"
 option.</li>
-<li>Some warnings are different.</li>
 </ul>
 
 <p>Differences between *89 and *99 modes:</p>