[gnome-devel-docs] platform-demos: Add e:hi on alternative code snippet

[Sindhu Sundar <sindhus src gnome org>]

commit a7948891676f4c07ffd8499baa06d6d1172105c3
Author: Sindhu S <sindhus live in>
Date:   Thu Mar 6 23:39:05 2014 +0530

    platform-demos: Add e:hi on alternative code snippet
    
    To improve readiability and visually differentiate between code
    snippets, added e:hi highlight. Highlighted code that is
    significantly different in the alternate code snippet as
    compared to the main snippet.
    
    Add note explaining why some code has been highligted.

 platform-demos/C/label.py.page |   11 +++++++++++
 1 files changed, 11 insertions(+), 0 deletions(-)
---
diff --git a/platform-demos/C/label.py.page b/platform-demos/C/label.py.page
index 85f0233..d6996a8 100644
--- a/platform-demos/C/label.py.page
+++ b/platform-demos/C/label.py.page
@@ -1,6 +1,7 @@
 <?xml version='1.0' encoding='UTF-8'?>
 <page xmlns="http://projectmallard.org/1.0/";
       xmlns:xi="http://www.w3.org/2001/XInclude";
+      xmlns:e="http://projectmallard.org/experimental/";
       type="guide" style="task"
       id="label.py">
   <info>
@@ -37,6 +38,9 @@
   <code mime="text/x-python" style="numbered"><xi:include href="samples/label.py" 
parse="text"><xi:fallback/></xi:include></code>
 
     <p>Another way to obtain what we have in the example is to create the label as an instance of another 
class and add it to the instance of <code>MyWindow</code> in the <code>do_activate(self)</code> method:</p>
+    <note>
+      <p>The highlighted lines indicate code that is different from the previous snippet.</p>
+    </note>
       <code mime="text/x-python">
 # a class to define a window
 class MyWindow(Gtk.ApplicationWindow):
@@ -45,10 +49,12 @@ class MyWindow(Gtk.ApplicationWindow):
         self.set_default_size(200, 100)
 
 # a class to define a label
+<e:hi>
 class MyLabel(Gtk.Label):
     def __init__(self):
         Gtk.Label.__init__(self)
         self.set_text("Hello GNOME!")
+</e:hi>
 
 class MyApplication(Gtk.Application):
     def __init__(self):
@@ -57,10 +63,15 @@ class MyApplication(Gtk.Application):
     def do_activate(self):
         # create an instance of MyWindow
         win = MyWindow(self)
+
         # create an instance of MyLabel
+<e:hi>
         label = MyLabel()
+</e:hi>
         # and add it to the window
+<e:hi>
         win.add(label)
+</e:hi>
         # show the window and everything on it
         win.show_all()</code>