[gnome-devel-docs] added xrefs

[Tiffany Antopolski <antopolski src gnome org>]

commit 944a7cfcaff22d0f01332f0fa79264a9f3906378
Author: Luc Pionchon <pionchon luc gmail com>
Date:   Sun May 29 11:05:07 2011 +0300

    added xrefs

 platform-overview/C/clutter.page |    7 ++++---
 1 files changed, 4 insertions(+), 3 deletions(-)
---
diff --git a/platform-overview/C/clutter.page b/platform-overview/C/clutter.page
index 8f18e48..cfffd9c 100644
--- a/platform-overview/C/clutter.page
+++ b/platform-overview/C/clutter.page
@@ -24,9 +24,10 @@ is needed, using a flexible scene graph API, with free-form placement of the
 scene elements (or "actors") on the main viewport (or "stage").</p>
 
 <p>Clutter comes with pre-defined actors for displaying solid colors,
-image data, text and custom high-precision 2D drawing using the Cairo
-API. Clutter also provides generic classes for structuring a user interface
-using both a box-packing model like GTK+, and a series of free-form
+image data, text and custom high-precision 2D drawing using the <link
+xref="cairo">Cairo</link> API. Clutter also provides generic classes
+for structuring a user interface using both a box-packing model like
+<link xref="gtk">GTK+</link>, and a series of free-form
 "constraints".</p>
 
 <p>Clutter provides an extensible animation framework and graphical