[gtkmm-documentation] Buttons chapter: Remove text about non-existant XPMLabelBox class.

[Murray Cumming <murrayc src gnome org>]

commit 09b8b7c840c705e0602137d7c61bd949f42522ab
Author: Murray Cumming <murrayc murrayc com>
Date:   Wed Jul 21 00:25:28 2010 +0200

    Buttons chapter: Remove text about non-existant XPMLabelBox class.
    
    * docs/tutorial/C/gtkmm-tutorial-in.xml: The mention of an XPMLabelBox
    was very odd and probably about a very very old version of the API.

 ChangeLog                             |    7 +++++++
 docs/tutorial/C/gtkmm-tutorial-in.xml |    4 ----
 2 files changed, 7 insertions(+), 4 deletions(-)
---
diff --git a/ChangeLog b/ChangeLog
index 58b0d0e..247fdd9 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2010-07-21  Murray Cumming  <murrayc murrayc com>
+
+	Buttons chapter: Remove text about non-existant XPMLabelBox class.
+
+	* docs/tutorial/C/gtkmm-tutorial-in.xml: The mention of an XPMLabelBox 
+	was very odd and probably about a very very old version of the API.
+
 2010-07-16  Murray Cumming  <murrayc murrayc com>
 
 	Fix the build with latest gtkmm-2.22 with --enable-warnings=fatal.
diff --git a/docs/tutorial/C/gtkmm-tutorial-in.xml b/docs/tutorial/C/gtkmm-tutorial-in.xml
index 3ca9c62..8e3d076 100644
--- a/docs/tutorial/C/gtkmm-tutorial-in.xml
+++ b/docs/tutorial/C/gtkmm-tutorial-in.xml
@@ -707,10 +707,6 @@ This example creates a button with a picture and a label.
 
 <para><ulink url="&url_examples_base;buttons/button">Source Code</ulink></para>
 
-<para>
-Note that the <classname>XPMLabelBox</classname> class can be used to place XPMs and
-labels into any widget that can be a container.
-</para>
 </sect2>
 
 <sect2 id="pushbutton-signals"><title>Signals</title>