[gnome-devel-docs/dx-hackfest: 10/18] platform-overview: Update the Clutter section

[Federico Mena Quintero <federico src gnome org>]

commit f5ecc74d8c4c1911d077d9b1da38a39e9020c19f
Author: Federico Mena Quintero <federico gnome org>
Date:   Thu Jan 31 16:10:50 2013 +0100

    platform-overview: Update the Clutter section
    
    Signed-off-by: Federico Mena Quintero <federico gnome org>

 platform-overview/C/clutter.page |   10 ++++++----
 1 files changed, 6 insertions(+), 4 deletions(-)
---
diff --git a/platform-overview/C/clutter.page b/platform-overview/C/clutter.page
index 38c684c..aa2aed4 100644
--- a/platform-overview/C/clutter.page
+++ b/platform-overview/C/clutter.page
@@ -9,8 +9,10 @@
 
 <title>Clutter</title>
 
-<p>Clutter is a library that allows creating fast, portable, dynamic,
-compelling user interfaces.</p>
+<p>Clutter is a library for doing animations and using a 2.5-D canvas.
+You create graphical objects out of images, and you can manipulate
+them later to move them, rotate them, or give them quasi-3D
+effects.</p>
 
 <p>Clutter uses the <link href="http://www.khronos.org/opengl/";>OpenGL</link>
 and <link href="http://www.khronos.org/opengles/";>OpenGL|ES</link> industry
@@ -21,14 +23,14 @@ programming.</p>
 <p>Clutter does not specify any visual style, and does not provide any
 pre-defined complex user interface control; it lets the developer define what
 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>
+scene elements (or <em>actors</em>) on the main viewport (or <em>stage</em>).</p>
 
 <p>Clutter comes with pre-defined actors for displaying solid colors,
 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>
+<em>constraints</em>.</p>
 
 <p>Clutter provides an extensible animation framework and graphical
 effects. An animation is associated with a timeline and changes one or