[docs] Prominently note modules are experimental.
It was really hard to tell that modules are experimental. This makes it
really clear by
* Noting the experimental status in the title.
* Moving the "warning" above the table of contents.
llvm-svn: 190340
diff --git a/clang/docs/Modules.rst b/clang/docs/Modules.rst
index 6ac334d..c086644 100644
--- a/clang/docs/Modules.rst
+++ b/clang/docs/Modules.rst
@@ -1,14 +1,14 @@
-=======
-Modules
-=======
-
-.. contents::
- :local:
+======================
+Modules (EXPERIMENTAL)
+======================
.. warning::
The functionality described on this page is still experimental! Please
try it out and send us bug reports!
+.. contents::
+ :local:
+
Introduction
============
Most software is built using a number of software libraries, including libraries supplied by the platform, internal libraries built as part of the software itself to provide structure, and third-party libraries. For each library, one needs to access both its interface (API) and its implementation. In the C family of languages, the interface to a library is accessed by including the appropriate header files(s):