Extract a Windows section in the release notes. Hopefully this is more

accurate than my original notes were based on IRC conversations. Windows
folks, please edit as needed to make this closer to the truth if I've
still got it wrong.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145309 91177308-0d34-0410-b5e6-96231b3b80d8

docs/ReleaseNotes.html

@@ -87,16 +87,10 @@ <h4 id="notes">Unorganized Notes</h4>
 the history. Anything still here needs to be distilled and turned into proper
 prose in a section of its own. When doing that, delete the notes.</p>
 <ul>
-  <li>Building Clang on windows -- mingw, 32 and 64 bit, native windows builds,
-  cygwin. get chapuni to flesh out details.</li>
-  <li>Compiling C/C++ w/ MinGW (32/64) and Cygwin on Windows -- chapuni</li>
-  <li>C++ -- Parsing and AST support for Windows Structured Exception
-  Handling.</li>
   <li>OS Availability attribute -- r128127</li>
   <li>GNU ObjectiveC Runtime support -- David Chisnall</li>
   <li>Improved AST support for partially constructed nodes and incomplete
   information for LLDB and other clients which dynamically build AST nodes.</li>
-  <li>Largely complete MSVC-compatible parsing mode -- fpichet</li>
   <li>Memory reduction -- initializers, macro expansions, source locations,
   etc.</li>
   <li>ObjC ARC -- get a blurb from rjmccall</li>
@@ -185,6 +179,19 @@ <h4 id="ppcallbacks">Expanded support for instrumenting the preprocessor through
   <li>The exact source range for expanded macros can be retrieved.</li>
 </ul>
 
+<h4 id="windows">Clang is building and tested regularly on Windows and can
+  compile limited subsets of code on Windows</h4>
+Clang is regularly built and tested on a variety of Windows platforms including
+MinGW 32-bit and 64-bit, Cygwin, and natively with MSVC. In addition, Clang can
+be used as a compiler in a few Windows contexts.
+<ul>
+  <li>Normal compilation supported for the MinGW target platform, in both 32-bit
+  and 64-bit, and the Cygwin target platform.</li>
+  <li>Parsing and AST support for Windows Structured Exception Handling.</li>
+  <li>Initial support for some MSVC language extensions and the ability to parse
+  a few native MSVC system headers.</li>
+</ul>
+
 <!--
 Nick and/or Rafael will flesh this out into a bit about the CFI / DWARF
 improvements.