[pango] Mention GMarkup and character entities

[Matthias Clasen <matthiasc src gnome org>]

commit a1f4357d98d072761fe085197de53e01da46f2fc
Author: Matthias Clasen <mclasen redhat com>
Date:   Mon Sep 5 10:11:28 2011 -0400

    Mention GMarkup and character entities
    
    As requested in bug 403499.

 docs/pango_markup.sgml |   12 +++++++++---
 1 files changed, 9 insertions(+), 3 deletions(-)
---
diff --git a/docs/pango_markup.sgml b/docs/pango_markup.sgml
index 0460ccb..68d2901 100644
--- a/docs/pango_markup.sgml
+++ b/docs/pango_markup.sgml
@@ -29,7 +29,7 @@ position.
 The solution is to include the text attributes in the string to be
 translated. Pango provides this feature with a small markup language.
 You can parse a marked-up string into the string text plus a
-<link linkend="PangoAttrList">PangoAttrList</link> using the function 
+<link linkend="PangoAttrList">PangoAttrList</link> using the function
 <link linkend="pango-parse-markup">pango_parse_markup()</link>.
 </para>
 
@@ -39,6 +39,12 @@ A simple example of a marked-up string might be:
 </para>
 
 <para>
+Pango uses #GMarkup to parse this language, which means that XML features
+such as numeric character entities such as &amp;#169; for &#169; can
+be used too.
+</para>
+
+<para>
 The root tag of a marked-up document is &lt;markup&gt;, but <link
 linkend="pango-parse-markup">pango_parse_markup()</link> allows you to
 omit this tag, so you will most likely never need to use it. The most
@@ -50,8 +56,8 @@ tags. &lt;span&gt; has the following attributes:
 <term>font<footnote id='since_1_21'><para>Since 1.21</para></footnote></term>
 <term>font_desc</term>
 <listitem><para>
-A font description string, such as "Sans Italic 12". See 
-<link linkend="pango-font-description-from-string">pango_font_description_from_string()</link> 
+A font description string, such as "Sans Italic 12". See
+<link linkend="pango-font-description-from-string">pango_font_description_from_string()</link>
 for a description of the format of the string representation . Note that any 
 other span attributes will override this description. So if you have 
 "Sans Italic" and also a style="normal" attribute, you will get Sans normal,